diff --git a/pkg/analysis_server/lib/src/services/correction/bulk_fix_processor.dart b/pkg/analysis_server/lib/src/services/correction/bulk_fix_processor.dart
index ffc6d929fa8..8755a96eb75 100644
--- a/pkg/analysis_server/lib/src/services/correction/bulk_fix_processor.dart
+++ b/pkg/analysis_server/lib/src/services/correction/bulk_fix_processor.dart
@@ -423,7 +423,7 @@ class BulkFixProcessor {
         var result = await _runPubspecValidatorAndFixGenerator(
           FileSource(pubspecFile),
           pubspecDeps.packages,
-          pubspecDeps.devPackages,
+          pubspecDeps.devPackages.difference(pubspecDeps.packages),
           context.contextRoot.resourceProvider,
         );
         if (result.isNotEmpty) {
diff --git a/pkg/analysis_server/test/src/services/correction/fix/bulk_fix_processor_test.dart b/pkg/analysis_server/test/src/services/correction/fix/bulk_fix_processor_test.dart
index 11d9c67ed0d..e4249708a4b 100644
--- a/pkg/analysis_server/test/src/services/correction/fix/bulk_fix_processor_test.dart
+++ b/pkg/analysis_server/test/src/services/correction/fix/bulk_fix_processor_test.dart
@@ -270,6 +270,29 @@ void bad() {
 
 @reflectiveTest
 class PubspecFixTest extends BulkFixProcessorTest {
+  Future<void> test_dedupe_devPackages_against_packages() async {
+    var content = '''
+name: test
+''';
+    var expected = '''
+name: test
+dependencies:
+  b: any
+''';
+    updateTestPubspecFile(content);
+
+    newFile('$testPackageLibPath/lib.dart', '''
+import 'package:b/b.dart';
+''');
+
+    var testFile = newFile('$testPackageTestPath/test.dart', '''
+import 'package:b/b.dart';
+''');
+
+    await getResolvedUnit(testFile);
+    await assertFixPubspec(content, expected);
+  }
+
   Future<void> test_delete_change() async {
     var content = '''
 name: test