diff --git a/pkg/analysis_server/lib/protocol/protocol_constants.dart b/pkg/analysis_server/lib/protocol/protocol_constants.dart
index 42921521db9..6e51b614d9f 100644
--- a/pkg/analysis_server/lib/protocol/protocol_constants.dart
+++ b/pkg/analysis_server/lib/protocol/protocol_constants.dart
@@ -170,8 +170,6 @@ const String EDIT_REQUEST_DARTFIX_INCLUDED = 'included';
 const String EDIT_REQUEST_DARTFIX_INCLUDED_FIXES = 'includedFixes';
 const String EDIT_REQUEST_DARTFIX_INCLUDE_PEDANTIC_FIXES =
     'includePedanticFixes';
-const String EDIT_REQUEST_DARTFIX_INCLUDE_REQUIRED_FIXES =
-    'includeRequiredFixes';
 const String EDIT_REQUEST_DARTFIX_OUTPUT_DIR = 'outputDir';
 const String EDIT_REQUEST_DARTFIX_PORT = 'port';
 const String EDIT_REQUEST_FORMAT = 'edit.format';
diff --git a/pkg/analysis_server/lib/protocol/protocol_generated.dart b/pkg/analysis_server/lib/protocol/protocol_generated.dart
index 36ec236924b..1905a6e8b3d 100644
--- a/pkg/analysis_server/lib/protocol/protocol_generated.dart
+++ b/pkg/analysis_server/lib/protocol/protocol_generated.dart
@@ -6747,7 +6747,6 @@ class ConvertMethodToGetterOptions extends RefactoringOptions
 /// {
 ///   "name": String
 ///   "description": optional String
-///   "isRequired": optional bool
 /// }
 ///
 /// Clients may not extend, implement or mix-in this class.
@@ -6756,8 +6755,6 @@ class DartFix implements HasToJson {
 
   String _description;
 
-  bool _isRequired;
-
   /// The name of the fix.
   String get name => _name;
 
@@ -6775,18 +6772,9 @@ class DartFix implements HasToJson {
     _description = value;
   }
 
-  /// `true` if the fix is in the "required" fixes group.
-  bool get isRequired => _isRequired;
-
-  /// `true` if the fix is in the "required" fixes group.
-  set isRequired(bool value) {
-    _isRequired = value;
-  }
-
-  DartFix(String name, {String description, bool isRequired}) {
+  DartFix(String name, {String description}) {
     this.name = name;
     this.description = description;
-    this.isRequired = isRequired;
   }
 
   factory DartFix.fromJson(
@@ -6804,12 +6792,7 @@ class DartFix implements HasToJson {
         description = jsonDecoder.decodeString(
             jsonPath + '.description', json['description']);
       }
-      bool isRequired;
-      if (json.containsKey('isRequired')) {
-        isRequired = jsonDecoder.decodeBool(
-            jsonPath + '.isRequired', json['isRequired']);
-      }
-      return DartFix(name, description: description, isRequired: isRequired);
+      return DartFix(name, description: description);
     } else {
       throw jsonDecoder.mismatch(jsonPath, 'DartFix', json);
     }
@@ -6822,9 +6805,6 @@ class DartFix implements HasToJson {
     if (description != null) {
       result['description'] = description;
     }
-    if (isRequired != null) {
-      result['isRequired'] = isRequired;
-    }
     return result;
   }
 
@@ -6834,9 +6814,7 @@ class DartFix implements HasToJson {
   @override
   bool operator ==(other) {
     if (other is DartFix) {
-      return name == other.name &&
-          description == other.description &&
-          isRequired == other.isRequired;
+      return name == other.name && description == other.description;
     }
     return false;
   }
@@ -6846,7 +6824,6 @@ class DartFix implements HasToJson {
     int hash = 0;
     hash = JenkinsSmiHash.combine(hash, name.hashCode);
     hash = JenkinsSmiHash.combine(hash, description.hashCode);
-    hash = JenkinsSmiHash.combine(hash, isRequired.hashCode);
     return JenkinsSmiHash.finish(hash);
   }
 }
@@ -7158,7 +7135,6 @@ class DiagnosticGetServerPortResult implements ResponseResult {
 ///   "included": List<FilePath>
 ///   "includedFixes": optional List<String>
 ///   "includePedanticFixes": optional bool
-///   "includeRequiredFixes": optional bool
 ///   "excludedFixes": optional List<String>
 ///   "port": optional int
 ///   "outputDir": optional FilePath
@@ -7172,8 +7148,6 @@ class EditDartfixParams implements RequestParams {
 
   bool _includePedanticFixes;
 
-  bool _includeRequiredFixes;
-
   List<String> _excludedFixes;
 
   int _port;
@@ -7225,14 +7199,6 @@ class EditDartfixParams implements RequestParams {
     _includePedanticFixes = value;
   }
 
-  /// A flag indicating whether "required" fixes should be applied.
-  bool get includeRequiredFixes => _includeRequiredFixes;
-
-  /// A flag indicating whether "required" fixes should be applied.
-  set includeRequiredFixes(bool value) {
-    _includeRequiredFixes = value;
-  }
-
   /// A list of names indicating which fixes should not be applied.
   ///
   /// If a name is specified that does not match the name of a known fix, an
@@ -7266,14 +7232,12 @@ class EditDartfixParams implements RequestParams {
   EditDartfixParams(List<String> included,
       {List<String> includedFixes,
       bool includePedanticFixes,
-      bool includeRequiredFixes,
       List<String> excludedFixes,
       int port,
       String outputDir}) {
     this.included = included;
     this.includedFixes = includedFixes;
     this.includePedanticFixes = includePedanticFixes;
-    this.includeRequiredFixes = includeRequiredFixes;
     this.excludedFixes = excludedFixes;
     this.port = port;
     this.outputDir = outputDir;
@@ -7300,11 +7264,6 @@ class EditDartfixParams implements RequestParams {
         includePedanticFixes = jsonDecoder.decodeBool(
             jsonPath + '.includePedanticFixes', json['includePedanticFixes']);
       }
-      bool includeRequiredFixes;
-      if (json.containsKey('includeRequiredFixes')) {
-        includeRequiredFixes = jsonDecoder.decodeBool(
-            jsonPath + '.includeRequiredFixes', json['includeRequiredFixes']);
-      }
       List<String> excludedFixes;
       if (json.containsKey('excludedFixes')) {
         excludedFixes = jsonDecoder.decodeList(jsonPath + '.excludedFixes',
@@ -7322,7 +7281,6 @@ class EditDartfixParams implements RequestParams {
       return EditDartfixParams(included,
           includedFixes: includedFixes,
           includePedanticFixes: includePedanticFixes,
-          includeRequiredFixes: includeRequiredFixes,
           excludedFixes: excludedFixes,
           port: port,
           outputDir: outputDir);
@@ -7346,9 +7304,6 @@ class EditDartfixParams implements RequestParams {
     if (includePedanticFixes != null) {
       result['includePedanticFixes'] = includePedanticFixes;
     }
-    if (includeRequiredFixes != null) {
-      result['includeRequiredFixes'] = includeRequiredFixes;
-    }
     if (excludedFixes != null) {
       result['excludedFixes'] = excludedFixes;
     }
@@ -7377,7 +7332,6 @@ class EditDartfixParams implements RequestParams {
           listEqual(includedFixes, other.includedFixes,
               (String a, String b) => a == b) &&
           includePedanticFixes == other.includePedanticFixes &&
-          includeRequiredFixes == other.includeRequiredFixes &&
           listEqual(excludedFixes, other.excludedFixes,
               (String a, String b) => a == b) &&
           port == other.port &&
@@ -7392,7 +7346,6 @@ class EditDartfixParams implements RequestParams {
     hash = JenkinsSmiHash.combine(hash, included.hashCode);
     hash = JenkinsSmiHash.combine(hash, includedFixes.hashCode);
     hash = JenkinsSmiHash.combine(hash, includePedanticFixes.hashCode);
-    hash = JenkinsSmiHash.combine(hash, includeRequiredFixes.hashCode);
     hash = JenkinsSmiHash.combine(hash, excludedFixes.hashCode);
     hash = JenkinsSmiHash.combine(hash, port.hashCode);
     hash = JenkinsSmiHash.combine(hash, outputDir.hashCode);
diff --git a/pkg/analysis_server/lib/src/edit/edit_dartfix.dart b/pkg/analysis_server/lib/src/edit/edit_dartfix.dart
index 8f7faee715f..df735e544d2 100644
--- a/pkg/analysis_server/lib/src/edit/edit_dartfix.dart
+++ b/pkg/analysis_server/lib/src/edit/edit_dartfix.dart
@@ -37,9 +37,6 @@ class EditDartFix
 
     // Determine the fixes to be applied
     final fixInfo = <DartFixInfo>[];
-    if (params.includeRequiredFixes == true) {
-      fixInfo.addAll(allFixes.where((i) => i.isRequired));
-    }
     if (params.includePedanticFixes == true) {
       for (var fix in allFixes) {
         if (fix.isPedantic && !fixInfo.contains(fix)) {
diff --git a/pkg/analysis_server/lib/src/edit/fix/dartfix_info.dart b/pkg/analysis_server/lib/src/edit/fix/dartfix_info.dart
index 58a111c9634..b8fd266beb4 100644
--- a/pkg/analysis_server/lib/src/edit/fix/dartfix_info.dart
+++ b/pkg/analysis_server/lib/src/edit/fix/dartfix_info.dart
@@ -24,13 +24,11 @@ final allFixes = <DartFixInfo>[
     'fix-named-constructor-type-arguments',
     'Move named constructor type arguments from the name to the type.',
     FixErrorTask.fixNamedConstructorTypeArgs,
-    isRequired: true,
   ),
   DartFixInfo(
     'use-mixin',
     'Convert classes used as a mixin to the new mixin syntax.',
     PreferMixinFix.task,
-    isRequired: true,
   ),
   //
   // Pedantic lint fixes.
@@ -150,9 +148,6 @@ class DartFixInfo {
   /// lint set.
   final bool isPedantic;
 
-  /// A flag indicating whether this fix is in the set of required fixes.
-  final bool isRequired;
-
   final void Function(DartFixRegistrar registrar, DartFixListener listener,
       EditDartfixParams params) _setup;
 
@@ -161,13 +156,11 @@ class DartFixInfo {
     this.description,
     this._setup, {
     this.isDefault = true,
-    this.isRequired = false,
     this.isPedantic = false,
   });
 
   /// Return a newly created fix generated from this fix info.
-  DartFix asDartFix() =>
-      DartFix(key, description: description, isRequired: isRequired);
+  DartFix asDartFix() => DartFix(key, description: description);
 
   /// Register this fix with the [registrar] and report progress to the
   /// [listener].
@@ -618,12 +611,9 @@ class LintFixInfo extends DartFixInfo {
     this.fixKind,
     String description, {
     bool isDefault = true,
-    bool isRequired = false,
     bool isPedantic = false,
   }) : super(lintName.replaceAll('_', '-'), description, null,
-            isDefault: isDefault,
-            isRequired: isRequired,
-            isPedantic: isPedantic);
+            isDefault: isDefault, isPedantic: isPedantic);
 
   @override
   void setup(DartFixRegistrar registrar, DartFixListener listener,
diff --git a/pkg/analysis_server/test/integration/edit/dartfix_test.dart b/pkg/analysis_server/test/integration/edit/dartfix_test.dart
index d389950a8f5..e963bf850ce 100644
--- a/pkg/analysis_server/test/integration/edit/dartfix_test.dart
+++ b/pkg/analysis_server/test/integration/edit/dartfix_test.dart
@@ -68,13 +68,4 @@ class C with B {}
     expect(result.suggestions.length, 0);
     expect(result.edits.length, 0);
   }
-
-  test_dartfix_required() async {
-    setupTarget();
-    EditDartfixResult result = await sendEditDartfix([(sourceDirectory.path)],
-        includeRequiredFixes: true);
-    expect(result.hasErrors, isFalse);
-    expect(result.suggestions.length, greaterThanOrEqualTo(1));
-    expect(result.edits.length, greaterThanOrEqualTo(1));
-  }
 }
diff --git a/pkg/analysis_server/test/integration/edit/get_dartfix_info_test.dart b/pkg/analysis_server/test/integration/edit/get_dartfix_info_test.dart
index 2d92b6ad6de..b62ed771230 100644
--- a/pkg/analysis_server/test/integration/edit/get_dartfix_info_test.dart
+++ b/pkg/analysis_server/test/integration/edit/get_dartfix_info_test.dart
@@ -20,7 +20,5 @@ class GetDartfixInfoTest extends AbstractAnalysisServerIntegrationTest {
     standardAnalysisSetup();
     EditGetDartfixInfoResult info = await sendEditGetDartfixInfo();
     expect(info.fixes.length, greaterThanOrEqualTo(3));
-    var fix = info.fixes.firstWhere((f) => f.name == 'use-mixin');
-    expect(fix.isRequired, isTrue);
   }
 }
diff --git a/pkg/analysis_server/test/integration/support/integration_test_methods.dart b/pkg/analysis_server/test/integration/support/integration_test_methods.dart
index b4320eee656..eb1ad52a823 100644
--- a/pkg/analysis_server/test/integration/support/integration_test_methods.dart
+++ b/pkg/analysis_server/test/integration/support/integration_test_methods.dart
@@ -1576,12 +1576,12 @@ abstract class IntegrationTestMixin {
   /// source requires it.
   ///
   /// If includedFixes is specified, then those fixes will be applied. If
-  /// includeRequiredFixes is specified, then "required" fixes will be applied
-  /// in addition to whatever fixes are specified in includedFixes if any. If
-  /// neither includedFixes nor includeRequiredFixes is specified, then all
-  /// fixes will be applied. If excludedFixes is specified, then those fixes
-  /// will not be applied regardless of whether they are "required" or
-  /// specified in includedFixes.
+  /// includePedanticFixes is specified, then fixes associated with the
+  /// pedantic rule set will be applied in addition to whatever fixes are
+  /// specified in includedFixes if any. If neither includedFixes nor
+  /// includePedanticFixes is specified, then no fixes will be applied. If
+  /// excludedFixes is specified, then those fixes will not be applied
+  /// regardless of whether they are specified in includedFixes.
   ///
   /// Parameters
   ///
@@ -1609,10 +1609,6 @@ abstract class IntegrationTestMixin {
   ///
   ///   A flag indicating whether "pedantic" fixes should be applied.
   ///
-  /// includeRequiredFixes: bool (optional)
-  ///
-  ///   A flag indicating whether "required" fixes should be applied.
-  ///
   /// excludedFixes: List<String> (optional)
   ///
   ///   A list of names indicating which fixes should not be applied.
@@ -1670,14 +1666,12 @@ abstract class IntegrationTestMixin {
   Future<EditDartfixResult> sendEditDartfix(List<String> included,
       {List<String> includedFixes,
       bool includePedanticFixes,
-      bool includeRequiredFixes,
       List<String> excludedFixes,
       int port,
       String outputDir}) async {
     var params = EditDartfixParams(included,
             includedFixes: includedFixes,
             includePedanticFixes: includePedanticFixes,
-            includeRequiredFixes: includeRequiredFixes,
             excludedFixes: excludedFixes,
             port: port,
             outputDir: outputDir)
diff --git a/pkg/analysis_server/test/integration/support/protocol_matchers.dart b/pkg/analysis_server/test/integration/support/protocol_matchers.dart
index 5a4f9149099..6cf2b8a552a 100644
--- a/pkg/analysis_server/test/integration/support/protocol_matchers.dart
+++ b/pkg/analysis_server/test/integration/support/protocol_matchers.dart
@@ -325,11 +325,10 @@ final Matcher isContextData =
 /// {
 ///   "name": String
 ///   "description": optional String
-///   "isRequired": optional bool
 /// }
 final Matcher isDartFix = LazyMatcher(() => MatchesJsonObject(
     'DartFix', {'name': isString},
-    optionalFields: {'description': isString, 'isRequired': isBool}));
+    optionalFields: {'description': isString}));
 
 /// DartFixSuggestion
 ///
@@ -2208,7 +2207,6 @@ final Matcher isDiagnosticGetServerPortResult = LazyMatcher(() =>
 ///   "included": List<FilePath>
 ///   "includedFixes": optional List<String>
 ///   "includePedanticFixes": optional bool
-///   "includeRequiredFixes": optional bool
 ///   "excludedFixes": optional List<String>
 ///   "port": optional int
 ///   "outputDir": optional FilePath
@@ -2219,7 +2217,6 @@ final Matcher isEditDartfixParams =
         }, optionalFields: {
           'includedFixes': isListOf(isString),
           'includePedanticFixes': isBool,
-          'includeRequiredFixes': isBool,
           'excludedFixes': isListOf(isString),
           'port': isInt,
           'outputDir': isFilePath
diff --git a/pkg/analysis_server/tool/spec/generated/java/AnalysisServer.java b/pkg/analysis_server/tool/spec/generated/java/AnalysisServer.java
index 1bd0430c2bd..7f9bbc7981f 100644
--- a/pkg/analysis_server/tool/spec/generated/java/AnalysisServer.java
+++ b/pkg/analysis_server/tool/spec/generated/java/AnalysisServer.java
@@ -480,11 +480,11 @@ public interface AnalysisServer {
    * those sources. These edits may include changes to sources outside the set of specified sources
    * if a change in a specified source requires it.
    *
-   * If includedFixes is specified, then those fixes will be applied. If includeRequiredFixes is
-   * specified, then "required" fixes will be applied in addition to whatever fixes are specified in
-   * includedFixes if any. If neither includedFixes nor includeRequiredFixes is specified, then all
-   * fixes will be applied. If excludedFixes is specified, then those fixes will not be applied
-   * regardless of whether they are "required" or specified in includedFixes.
+   * If includedFixes is specified, then those fixes will be applied. If includePedanticFixes is
+   * specified, then fixes associated with the pedantic rule set will be applied in addition to
+   * whatever fixes are specified in includedFixes if any. If neither includedFixes nor
+   * includePedanticFixes is specified, then no fixes will be applied. If excludedFixes is specified,
+   * then those fixes will not be applied regardless of whether they are specified in includedFixes.
    *
    * @param included A list of the files and directories for which edits should be suggested. If a
    *         request is made with a path that is invalid, e.g. is not absolute and normalized, an
@@ -496,14 +496,13 @@ public interface AnalysisServer {
    *         specified that does not match the name of a known fix, an error of type UNKNOWN_FIX will
    *         be generated.
    * @param includePedanticFixes A flag indicating whether "pedantic" fixes should be applied.
-   * @param includeRequiredFixes A flag indicating whether "required" fixes should be applied.
    * @param excludedFixes A list of names indicating which fixes should not be applied. If a name is
    *         specified that does not match the name of a known fix, an error of type UNKNOWN_FIX will
    *         be generated.
    * @param port Deprecated: This field is now ignored by server.
    * @param outputDir Deprecated: This field is now ignored by server.
    */
-  public void edit_dartfix(List<String> included, List<String> includedFixes, boolean includePedanticFixes, boolean includeRequiredFixes, List<String> excludedFixes, int port, String outputDir, DartfixConsumer consumer);
+  public void edit_dartfix(List<String> included, List<String> includedFixes, boolean includePedanticFixes, List<String> excludedFixes, int port, String outputDir, DartfixConsumer consumer);
 
   /**
    * {@code edit.format}
diff --git a/pkg/analysis_server/tool/spec/generated/java/types/DartFix.java b/pkg/analysis_server/tool/spec/generated/java/types/DartFix.java
index 066980563bc..1d2dde1ee9d 100644
--- a/pkg/analysis_server/tool/spec/generated/java/types/DartFix.java
+++ b/pkg/analysis_server/tool/spec/generated/java/types/DartFix.java
@@ -45,18 +45,12 @@ public class DartFix {
    */
   private final String description;
 
-  /**
-   * `true` if the fix is in the "required" fixes group.
-   */
-  private final Boolean isRequired;
-
   /**
    * Constructor for {@link DartFix}.
    */
-  public DartFix(String name, String description, Boolean isRequired) {
+  public DartFix(String name, String description) {
     this.name = name;
     this.description = description;
-    this.isRequired = isRequired;
   }
 
   @Override
@@ -65,8 +59,7 @@ public class DartFix {
       DartFix other = (DartFix) obj;
       return
         ObjectUtilities.equals(other.name, name) &&
-        ObjectUtilities.equals(other.description, description) &&
-        ObjectUtilities.equals(other.isRequired, isRequired);
+        ObjectUtilities.equals(other.description, description);
     }
     return false;
   }
@@ -74,8 +67,7 @@ public class DartFix {
   public static DartFix fromJson(JsonObject jsonObject) {
     String name = jsonObject.get("name").getAsString();
     String description = jsonObject.get("description") == null ? null : jsonObject.get("description").getAsString();
-    Boolean isRequired = jsonObject.get("isRequired") == null ? null : jsonObject.get("isRequired").getAsBoolean();
-    return new DartFix(name, description, isRequired);
+    return new DartFix(name, description);
   }
 
   public static List<DartFix> fromJsonArray(JsonArray jsonArray) {
@@ -97,13 +89,6 @@ public class DartFix {
     return description;
   }
 
-  /**
-   * `true` if the fix is in the "required" fixes group.
-   */
-  public Boolean getIsRequired() {
-    return isRequired;
-  }
-
   /**
    * The name of the fix.
    */
@@ -116,7 +101,6 @@ public class DartFix {
     HashCodeBuilder builder = new HashCodeBuilder();
     builder.append(name);
     builder.append(description);
-    builder.append(isRequired);
     return builder.toHashCode();
   }
 
@@ -126,9 +110,6 @@ public class DartFix {
     if (description != null) {
       jsonObject.addProperty("description", description);
     }
-    if (isRequired != null) {
-      jsonObject.addProperty("isRequired", isRequired);
-    }
     return jsonObject;
   }
 
@@ -139,9 +120,7 @@ public class DartFix {
     builder.append("name=");
     builder.append(name + ", ");
     builder.append("description=");
-    builder.append(description + ", ");
-    builder.append("isRequired=");
-    builder.append(isRequired);
+    builder.append(description);
     builder.append("]");
     return builder.toString();
   }
diff --git a/pkg/analysis_server/tool/spec/spec_input.html b/pkg/analysis_server/tool/spec/spec_input.html
index 02f944c59f3..b422873eb3f 100644
--- a/pkg/analysis_server/tool/spec/spec_input.html
+++ b/pkg/analysis_server/tool/spec/spec_input.html
@@ -2171,13 +2171,13 @@
       of specified sources if a change in a specified source requires it.
     </p>
     <p>
-      If includedFixes is specified, then those fixes will be applied.
-      If includeRequiredFixes is specified, then "required" fixes will be applied
-      in addition to whatever fixes are specified in includedFixes if any.
-      If neither includedFixes nor includeRequiredFixes is specified,
-      then all fixes will be applied.
-      If excludedFixes is specified, then those fixes will not be applied
-      regardless of whether they are "required" or specified in includedFixes.
+      If includedFixes is specified, then those fixes will be applied. If
+      includePedanticFixes is specified, then fixes associated with the pedantic
+      rule set will be applied in addition to whatever fixes are specified in
+      includedFixes if any. If neither includedFixes nor includePedanticFixes is
+      specified, then no fixes will be applied. If excludedFixes is specified,
+      then those fixes will not be applied regardless of whether they are
+      specified in includedFixes.
     </p>
     <params>
       <field name="included">
@@ -2216,12 +2216,6 @@
           A flag indicating whether "pedantic" fixes should be applied.
         </p>
       </field>
-      <field name="includeRequiredFixes" optional="true">
-        <ref>bool</ref>
-        <p>
-          A flag indicating whether "required" fixes should be applied.
-        </p>
-      </field>
       <field name="excludedFixes" optional="true">
         <list>
           <ref>String</ref>
@@ -5166,12 +5160,6 @@
           A human readable description of the fix.
         </p>
       </field>
-      <field name="isRequired" optional="true">
-        <ref>bool</ref>
-        <p>
-          `true` if the fix is in the "required" fixes group.
-        </p>
-      </field>
     </object>
   </type>
   <type name="DartFixSuggestion" experimental="true">
diff --git a/pkg/analysis_server_client/lib/src/protocol/protocol_constants.dart b/pkg/analysis_server_client/lib/src/protocol/protocol_constants.dart
index 42921521db9..6e51b614d9f 100644
--- a/pkg/analysis_server_client/lib/src/protocol/protocol_constants.dart
+++ b/pkg/analysis_server_client/lib/src/protocol/protocol_constants.dart
@@ -170,8 +170,6 @@ const String EDIT_REQUEST_DARTFIX_INCLUDED = 'included';
 const String EDIT_REQUEST_DARTFIX_INCLUDED_FIXES = 'includedFixes';
 const String EDIT_REQUEST_DARTFIX_INCLUDE_PEDANTIC_FIXES =
     'includePedanticFixes';
-const String EDIT_REQUEST_DARTFIX_INCLUDE_REQUIRED_FIXES =
-    'includeRequiredFixes';
 const String EDIT_REQUEST_DARTFIX_OUTPUT_DIR = 'outputDir';
 const String EDIT_REQUEST_DARTFIX_PORT = 'port';
 const String EDIT_REQUEST_FORMAT = 'edit.format';
diff --git a/pkg/analysis_server_client/lib/src/protocol/protocol_generated.dart b/pkg/analysis_server_client/lib/src/protocol/protocol_generated.dart
index 176c55752ab..0a1a206350d 100644
--- a/pkg/analysis_server_client/lib/src/protocol/protocol_generated.dart
+++ b/pkg/analysis_server_client/lib/src/protocol/protocol_generated.dart
@@ -6747,7 +6747,6 @@ class ConvertMethodToGetterOptions extends RefactoringOptions
 /// {
 ///   "name": String
 ///   "description": optional String
-///   "isRequired": optional bool
 /// }
 ///
 /// Clients may not extend, implement or mix-in this class.
@@ -6756,8 +6755,6 @@ class DartFix implements HasToJson {
 
   String _description;
 
-  bool _isRequired;
-
   /// The name of the fix.
   String get name => _name;
 
@@ -6775,18 +6772,9 @@ class DartFix implements HasToJson {
     _description = value;
   }
 
-  /// `true` if the fix is in the "required" fixes group.
-  bool get isRequired => _isRequired;
-
-  /// `true` if the fix is in the "required" fixes group.
-  set isRequired(bool value) {
-    _isRequired = value;
-  }
-
-  DartFix(String name, {String description, bool isRequired}) {
+  DartFix(String name, {String description}) {
     this.name = name;
     this.description = description;
-    this.isRequired = isRequired;
   }
 
   factory DartFix.fromJson(
@@ -6804,12 +6792,7 @@ class DartFix implements HasToJson {
         description = jsonDecoder.decodeString(
             jsonPath + '.description', json['description']);
       }
-      bool isRequired;
-      if (json.containsKey('isRequired')) {
-        isRequired = jsonDecoder.decodeBool(
-            jsonPath + '.isRequired', json['isRequired']);
-      }
-      return DartFix(name, description: description, isRequired: isRequired);
+      return DartFix(name, description: description);
     } else {
       throw jsonDecoder.mismatch(jsonPath, 'DartFix', json);
     }
@@ -6822,9 +6805,6 @@ class DartFix implements HasToJson {
     if (description != null) {
       result['description'] = description;
     }
-    if (isRequired != null) {
-      result['isRequired'] = isRequired;
-    }
     return result;
   }
 
@@ -6834,9 +6814,7 @@ class DartFix implements HasToJson {
   @override
   bool operator ==(other) {
     if (other is DartFix) {
-      return name == other.name &&
-          description == other.description &&
-          isRequired == other.isRequired;
+      return name == other.name && description == other.description;
     }
     return false;
   }
@@ -6846,7 +6824,6 @@ class DartFix implements HasToJson {
     int hash = 0;
     hash = JenkinsSmiHash.combine(hash, name.hashCode);
     hash = JenkinsSmiHash.combine(hash, description.hashCode);
-    hash = JenkinsSmiHash.combine(hash, isRequired.hashCode);
     return JenkinsSmiHash.finish(hash);
   }
 }
@@ -7158,7 +7135,6 @@ class DiagnosticGetServerPortResult implements ResponseResult {
 ///   "included": List<FilePath>
 ///   "includedFixes": optional List<String>
 ///   "includePedanticFixes": optional bool
-///   "includeRequiredFixes": optional bool
 ///   "excludedFixes": optional List<String>
 ///   "port": optional int
 ///   "outputDir": optional FilePath
@@ -7172,8 +7148,6 @@ class EditDartfixParams implements RequestParams {
 
   bool _includePedanticFixes;
 
-  bool _includeRequiredFixes;
-
   List<String> _excludedFixes;
 
   int _port;
@@ -7225,14 +7199,6 @@ class EditDartfixParams implements RequestParams {
     _includePedanticFixes = value;
   }
 
-  /// A flag indicating whether "required" fixes should be applied.
-  bool get includeRequiredFixes => _includeRequiredFixes;
-
-  /// A flag indicating whether "required" fixes should be applied.
-  set includeRequiredFixes(bool value) {
-    _includeRequiredFixes = value;
-  }
-
   /// A list of names indicating which fixes should not be applied.
   ///
   /// If a name is specified that does not match the name of a known fix, an
@@ -7266,14 +7232,12 @@ class EditDartfixParams implements RequestParams {
   EditDartfixParams(List<String> included,
       {List<String> includedFixes,
       bool includePedanticFixes,
-      bool includeRequiredFixes,
       List<String> excludedFixes,
       int port,
       String outputDir}) {
     this.included = included;
     this.includedFixes = includedFixes;
     this.includePedanticFixes = includePedanticFixes;
-    this.includeRequiredFixes = includeRequiredFixes;
     this.excludedFixes = excludedFixes;
     this.port = port;
     this.outputDir = outputDir;
@@ -7300,11 +7264,6 @@ class EditDartfixParams implements RequestParams {
         includePedanticFixes = jsonDecoder.decodeBool(
             jsonPath + '.includePedanticFixes', json['includePedanticFixes']);
       }
-      bool includeRequiredFixes;
-      if (json.containsKey('includeRequiredFixes')) {
-        includeRequiredFixes = jsonDecoder.decodeBool(
-            jsonPath + '.includeRequiredFixes', json['includeRequiredFixes']);
-      }
       List<String> excludedFixes;
       if (json.containsKey('excludedFixes')) {
         excludedFixes = jsonDecoder.decodeList(jsonPath + '.excludedFixes',
@@ -7322,7 +7281,6 @@ class EditDartfixParams implements RequestParams {
       return EditDartfixParams(included,
           includedFixes: includedFixes,
           includePedanticFixes: includePedanticFixes,
-          includeRequiredFixes: includeRequiredFixes,
           excludedFixes: excludedFixes,
           port: port,
           outputDir: outputDir);
@@ -7346,9 +7304,6 @@ class EditDartfixParams implements RequestParams {
     if (includePedanticFixes != null) {
       result['includePedanticFixes'] = includePedanticFixes;
     }
-    if (includeRequiredFixes != null) {
-      result['includeRequiredFixes'] = includeRequiredFixes;
-    }
     if (excludedFixes != null) {
       result['excludedFixes'] = excludedFixes;
     }
@@ -7377,7 +7332,6 @@ class EditDartfixParams implements RequestParams {
           listEqual(includedFixes, other.includedFixes,
               (String a, String b) => a == b) &&
           includePedanticFixes == other.includePedanticFixes &&
-          includeRequiredFixes == other.includeRequiredFixes &&
           listEqual(excludedFixes, other.excludedFixes,
               (String a, String b) => a == b) &&
           port == other.port &&
@@ -7392,7 +7346,6 @@ class EditDartfixParams implements RequestParams {
     hash = JenkinsSmiHash.combine(hash, included.hashCode);
     hash = JenkinsSmiHash.combine(hash, includedFixes.hashCode);
     hash = JenkinsSmiHash.combine(hash, includePedanticFixes.hashCode);
-    hash = JenkinsSmiHash.combine(hash, includeRequiredFixes.hashCode);
     hash = JenkinsSmiHash.combine(hash, excludedFixes.hashCode);
     hash = JenkinsSmiHash.combine(hash, port.hashCode);
     hash = JenkinsSmiHash.combine(hash, outputDir.hashCode);
diff --git a/pkg/dartfix/lib/src/driver.dart b/pkg/dartfix/lib/src/driver.dart
index 04e102a8492..458b4f884b8 100644
--- a/pkg/dartfix/lib/src/driver.dart
+++ b/pkg/dartfix/lib/src/driver.dart
@@ -80,10 +80,6 @@ class Driver {
       _unsupportedOption(includeFixOption);
       return false;
     }
-    if (options.requiredFixes) {
-      _unsupportedOption(requiredOption);
-      return false;
-    }
     if (options.showHelp) {
       return false;
     }
@@ -126,9 +122,6 @@ class Driver {
     if (options.includeFixes.isNotEmpty) {
       params.includedFixes = options.includeFixes;
     }
-    if (options.requiredFixes) {
-      params.includeRequiredFixes = true;
-    }
     if (options.pedanticFixes) {
       params.includePedanticFixes = true;
     }
@@ -221,16 +214,9 @@ Analysis Details:
 
     logger.stdout('''
 
-The following fixes are automatically applied unless at least one --$includeFixOption option is specified
-(and --$requiredOption is not specified). They may be individually disabled using --$excludeFixOption.''');
+These fixes can be enabled using --$includeFixOption:''');
 
-    fixes.where((fix) => fix.isRequired).forEach(showFix);
-
-    logger.stdout('''
-
-These fixes are NOT automatically applied, but may be enabled using --$includeFixOption:''');
-
-    fixes.where((fix) => !fix.isRequired).toList()
+    fixes
       ..sort(compareFixes)
       ..forEach(showFix);
 
diff --git a/pkg/dartfix/lib/src/options.dart b/pkg/dartfix/lib/src/options.dart
index 38b9e46ddbd..24a5d376ef1 100644
--- a/pkg/dartfix/lib/src/options.dart
+++ b/pkg/dartfix/lib/src/options.dart
@@ -17,30 +17,19 @@ const overwriteOption = 'overwrite';
 const pedanticOption = 'pedantic';
 const previewDirOption = 'preview-dir';
 const previewPortOption = 'preview-port';
-const requiredOption = 'required';
 const sdkOption = 'sdk';
 
 const _binaryName = 'dartfix';
 const _colorOption = 'color';
-const _helpOption = 'help';
-
-// options only supported by server 1.22.2 and greater
-const _previewOption = 'preview';
-const _serverSnapshot = 'server';
-const _verboseOption = 'verbose';
-
-// options not supported yet by any server
 const _dependencies = 'migrate-dependencies';
 
-/// Command line options for `dartfix upgrade`.
-class UpgradeOptions {
-  final bool dependencies;
-  final bool preview;
+// options only supported by server 1.22.2 and greater
+const _helpOption = 'help';
+const _previewOption = 'preview';
+const _serverSnapshot = 'server';
 
-  UpgradeOptions._fromCommand(ArgResults results)
-      : dependencies = results[_dependencies] as bool,
-        preview = results[_previewOption] as bool;
-}
+// options not supported yet by any server
+const _verboseOption = 'verbose';
 
 /// Command line options for `dartfix`.
 class Options {
@@ -53,7 +42,6 @@ class Options {
   final String serverSnapshot;
 
   final bool pedanticFixes;
-  final bool requiredFixes;
   final List<String> includeFixes;
   final List<String> excludeFixes;
 
@@ -69,7 +57,6 @@ class Options {
         excludeFixes = (results[excludeFixOption] as List ?? []).cast<String>(),
         overwrite = results[overwriteOption] as bool,
         pedanticFixes = results[pedanticOption] as bool,
-        requiredFixes = results[requiredOption] as bool,
         sdkPath = results[sdkOption] as String ?? _getSdkPath(),
         serverSnapshot = results[_serverSnapshot] as String,
         showHelp = results[_helpOption] as bool || results.arguments.isEmpty,
@@ -97,8 +84,6 @@ class Options {
           help: 'Exclude a specific fix.', valueHelp: 'name-of-fix')
       ..addFlag(pedanticOption,
           help: 'Apply pedantic fixes.', defaultsTo: false, negatable: false)
-      ..addFlag(requiredOption,
-          help: 'Apply required fixes.', defaultsTo: false, negatable: false)
       ..addSeparator('Modifying files:')
       ..addFlag(overwriteOption,
           abbr: 'w',
@@ -211,10 +196,6 @@ class Options {
               logger.stderr('Cannot use pedanticFixes when using upgrade.');
               context.exit(22);
             }
-            if (results.wasParsed(requiredOption) && options.requiredFixes) {
-              logger.stderr('Cannot use requiredFixes when using upgrade.');
-              context.exit(22);
-            }
             // TODO(jcollins-g): prevent non-nullable outside of upgrade
             // command.
             options.includeFixes.add('non-nullable');
@@ -284,3 +265,13 @@ Use --$_helpOption to display the fixes that can be specified using either
         : '');
   }
 }
+
+/// Command line options for `dartfix upgrade`.
+class UpgradeOptions {
+  final bool dependencies;
+  final bool preview;
+
+  UpgradeOptions._fromCommand(ArgResults results)
+      : dependencies = results[_dependencies] as bool,
+        preview = results[_previewOption] as bool;
+}
diff --git a/pkg/dartfix/test/src/driver_help_test.dart b/pkg/dartfix/test/src/driver_help_test.dart
index fa0326d09d6..d8a633048ce 100644
--- a/pkg/dartfix/test/src/driver_help_test.dart
+++ b/pkg/dartfix/test/src/driver_help_test.dart
@@ -28,7 +28,6 @@ void main() {
     expect(errText, isEmpty);
     expect(outText, contains('--$excludeFixOption'));
     expect(outText, isNot(contains('Use --help to display the fixes')));
-    expect(outText, contains('use-mixin'));
   });
 
   test('help implicit', () async {
@@ -52,6 +51,5 @@ void main() {
     expect(errText, isEmpty);
     expect(outText, contains('--$excludeFixOption'));
     expect(outText, isNot(contains('Use --help to display the fixes')));
-    expect(outText, contains('use-mixin'));
   });
 }
diff --git a/pkg/dartfix/test/src/driver_required_test.dart b/pkg/dartfix/test/src/driver_required_test.dart
deleted file mode 100644
index 2d4e115f968..00000000000
--- a/pkg/dartfix/test/src/driver_required_test.dart
+++ /dev/null
@@ -1,13 +0,0 @@
-// Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-import 'driver_test.dart' show defineDriverTests;
-
-void main() {
-  defineDriverTests(
-    name: 'required',
-    options: ['--required'],
-    expectedSuggestions: ['Convert MyMixin to a mixin'],
-  );
-}
diff --git a/pkg/dartfix/test/src/options_test.dart b/pkg/dartfix/test/src/options_test.dart
index d04faa57e40..ff912503e3f 100644
--- a/pkg/dartfix/test/src/options_test.dart
+++ b/pkg/dartfix/test/src/options_test.dart
@@ -55,7 +55,6 @@ void main() {
     }
     expect(options.force, force);
     expect(options.pedanticFixes, pedanticFixes);
-    expect(options.requiredFixes, requiredFixes);
     expect(options.overwrite, overwrite);
     expect(options.serverSnapshot, serverSnapshot);
     expect(options.showHelp, showHelp);
@@ -124,10 +123,6 @@ void main() {
     parse(['--pedantic', 'foo'], pedanticFixes: true);
   });
 
-  test('required fixes', () {
-    parse(['--required', 'foo'], requiredFixes: true);
-  });
-
   test('server snapshot', () {
     parse(['--server', 'some/path', 'foo'], serverSnapshot: 'some/path');
   });
diff --git a/pkg/dartfix/test/test_all.dart b/pkg/dartfix/test/test_all.dart
index f03ce9ce498..54dc9cefbab 100644
--- a/pkg/dartfix/test/test_all.dart
+++ b/pkg/dartfix/test/test_all.dart
@@ -11,7 +11,6 @@ import 'src/driver_help_test.dart' as driver_help;
 import 'src/driver_include_test.dart' as driver_include;
 import 'src/driver_pedantic_test.dart' as driver_pedantic;
 import 'src/driver_prefer_is_empty_test.dart' as driver_prefer_is_empty;
-import 'src/driver_required_test.dart' as driver_required;
 import 'src/driver_test.dart' as driver;
 import 'src/options_test.dart' as options_test;
 
@@ -23,7 +22,6 @@ void main() {
   group('driver', driver_include.main);
   group('driver', driver_pedantic.main);
   group('driver', driver_prefer_is_empty.main);
-  group('driver', driver_required.main);
   group('driver', driver.main);
   group('options', options_test.main);
 }