diff --git a/pkg/analyzer/lib/src/dart/analysis/library_analyzer.dart b/pkg/analyzer/lib/src/dart/analysis/library_analyzer.dart
index 1e10a16942b..57e2afeadec 100644
--- a/pkg/analyzer/lib/src/dart/analysis/library_analyzer.dart
+++ b/pkg/analyzer/lib/src/dart/analysis/library_analyzer.dart
@@ -206,8 +206,7 @@ class LibraryAnalyzer {
       var resolutions = new _ResolutionProvider(analyzerTarget.resolutions);
       units.forEach((file, unit) {
         _resolveFile2(file, unit, resolutions);
-        // TODO(scheglov) Restore.
-//        _computePendingMissingRequiredParameters(file, unit);
+        _computePendingMissingRequiredParameters(file, unit);
       });
 
       _computeConstants();
@@ -219,27 +218,26 @@ class LibraryAnalyzer {
 //        });
 //      });
 
-      // TODO(scheglov) Restore.
-//      if (_analysisOptions.hint) {
-//        PerformanceStatistics.hints.makeCurrentWhile(() {
-//          units.forEach((file, unit) {
-//            {
-//              var visitor = new GatherUsedLocalElementsVisitor(_libraryElement);
-//              unit.accept(visitor);
-//              _usedLocalElementsList.add(visitor.usedElements);
-//            }
-//            {
-//              var visitor =
-//              new GatherUsedImportedElementsVisitor(_libraryElement);
-//              unit.accept(visitor);
-//              _usedImportedElementsList.add(visitor.usedElements);
-//            }
-//          });
-//          units.forEach((file, unit) {
-//            _computeHints(file, unit);
-//          });
-//        });
-//      }
+      if (_analysisOptions.hint) {
+        PerformanceStatistics.hints.makeCurrentWhile(() {
+          units.forEach((file, unit) {
+            {
+              var visitor = new GatherUsedLocalElementsVisitor(_libraryElement);
+              unit.accept(visitor);
+              _usedLocalElementsList.add(visitor.usedElements);
+            }
+            {
+              var visitor =
+                  new GatherUsedImportedElementsVisitor(_libraryElement);
+              unit.accept(visitor);
+              _usedImportedElementsList.add(visitor.usedElements);
+            }
+          });
+          units.forEach((file, unit) {
+            _computeHints(file, unit);
+          });
+        });
+      }
 
       if (_analysisOptions.lint) {
         PerformanceStatistics.lints.makeCurrentWhile(() {
diff --git a/pkg/analyzer/test/src/dart/analysis/driver_kernel_test.dart b/pkg/analyzer/test/src/dart/analysis/driver_kernel_test.dart
index 5ab3f18b73a..a6dc5cb64f3 100644
--- a/pkg/analyzer/test/src/dart/analysis/driver_kernel_test.dart
+++ b/pkg/analyzer/test/src/dart/analysis/driver_kernel_test.dart
@@ -134,13 +134,6 @@ class AnalysisDriverTest_Kernel extends AnalysisDriverTest {
     await super.test_getErrors();
   }
 
-  @failingTest
-  @potentialAnalyzerProblem
-  @override
-  test_getResult_errors() async {
-    await super.test_getResult_errors();
-  }
-
   @failingTest
   @potentialAnalyzerProblem
   @override