diff --git a/pkg/analyzer/lib/src/dart/analysis/file_state.dart b/pkg/analyzer/lib/src/dart/analysis/file_state.dart
index 40b742f..b21980f 100644
--- a/pkg/analyzer/lib/src/dart/analysis/file_state.dart
+++ b/pkg/analyzer/lib/src/dart/analysis/file_state.dart
@@ -414,12 +414,8 @@
   /// Read the file content and ensure that all of the file properties are
   /// consistent with the read content, including API signature.
   ///
-  /// If [allowCached] is `true`, don't read the content of the file if it
-  /// is already cached (in another [FileSystemState], because otherwise we
-  /// would not create this new instance of [FileState] and refresh it).
-  ///
   /// Return `true` if the API signature changed since the last refresh.
-  bool refresh({bool allowCached = false}) {
+  bool refresh() {
     counterFileStateRefresh++;
 
     var timerWasRunning = timerFileStateRefresh.isRunning;
@@ -429,10 +425,6 @@
 
     _invalidateCurrentUnresolvedData();
 
-    if (!allowCached) {
-      _fsState.markFileForReading(path);
-    }
-
     {
       var rawFileState = _fsState._fileContentCache.get(path);
       _content = rawFileState.content;
@@ -862,7 +854,7 @@
       _uriToFile[uri] = file;
       _addFileWithPath(path, file);
       _pathToCanonicalFile[path] = file;
-      file.refresh(allowCached: true);
+      file.refresh();
     }
     return file;
   }
@@ -908,7 +900,7 @@
           packageLanguageVersion);
       _uriToFile[uri] = file;
       _addFileWithPath(path, file);
-      file.refresh(allowCached: true);
+      file.refresh();
     }
     return Either2.t1(file);
   }
diff --git a/pkg/analyzer/lib/src/dart/analysis/results.dart b/pkg/analyzer/lib/src/dart/analysis/results.dart
index bcd371c..ef041e2 100644
--- a/pkg/analyzer/lib/src/dart/analysis/results.dart
+++ b/pkg/analyzer/lib/src/dart/analysis/results.dart
@@ -8,7 +8,6 @@
 import 'package:analyzer/dart/ast/visitor.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/dart/element/type_provider.dart';
-import 'package:analyzer/dart/element/type_system.dart';
 import 'package:analyzer/error/error.dart';
 import 'package:analyzer/source/line_info.dart';
 import 'package:analyzer/src/dart/element/type_system.dart';
@@ -74,113 +73,6 @@
   LibraryElementResultImpl(this.element);
 }
 
-/// The implementation of [AnalysisResult] when not [ResultState.VALID].
-class NotValidAnalysisResultImpl implements AnalysisResult {
-  @override
-  final ResultState state;
-
-  NotValidAnalysisResultImpl(this.state);
-
-  @override
-  String? get path {
-    throw StateError('This result is not valid');
-  }
-
-  @override
-  AnalysisSession get session {
-    throw StateError('This result is not valid');
-  }
-
-  @override
-  Uri get uri {
-    throw StateError('This result is not valid');
-  }
-}
-
-/// The implementation of [ErrorsResult] when not [ResultState.VALID].
-class NotValidErrorsResultImpl extends NotValidFileResultImpl
-    implements ErrorsResult {
-  NotValidErrorsResultImpl(ResultState state) : super(state);
-
-  @override
-  List<AnalysisError> get errors {
-    throw StateError('This result is not valid');
-  }
-}
-
-/// The implementation of [FileResult] when not [ResultState.VALID].
-class NotValidFileResultImpl extends NotValidAnalysisResultImpl
-    implements FileResult {
-  NotValidFileResultImpl(ResultState state) : super(state);
-
-  @override
-  bool get isPart {
-    throw StateError('This result is not valid');
-  }
-
-  @override
-  LineInfo get lineInfo {
-    throw StateError('This result is not valid');
-  }
-}
-
-/// The implementation of [ResolvedUnitResult] when not [ResultState.VALID].
-class NotValidResolvedUnitResultImpl extends NotValidFileResultImpl
-    implements ResolvedUnitResult {
-  NotValidResolvedUnitResultImpl(ResultState state) : super(state);
-
-  @override
-  String? get content {
-    throw StateError('This result is not valid');
-  }
-
-  @override
-  List<AnalysisError> get errors {
-    throw StateError('This result is not valid');
-  }
-
-  @override
-  bool get exists {
-    throw StateError('This result is not valid');
-  }
-
-  @override
-  LibraryElement get libraryElement {
-    throw StateError('This result is not valid');
-  }
-
-  @override
-  TypeProvider get typeProvider {
-    throw StateError('This result is not valid');
-  }
-
-  @override
-  TypeSystem get typeSystem {
-    throw StateError('This result is not valid');
-  }
-
-  @override
-  CompilationUnit? get unit {
-    throw StateError('This result is not valid');
-  }
-}
-
-/// The implementation of [UnitElementResult] when not [ResultState.VALID].
-class NotValidUnitElementResultImpl extends NotValidAnalysisResultImpl
-    implements UnitElementResult {
-  NotValidUnitElementResultImpl(ResultState state) : super(state);
-
-  @override
-  CompilationUnitElement get element {
-    throw StateError('This result is not valid');
-  }
-
-  @override
-  String get signature {
-    throw StateError('This result is not valid');
-  }
-}
-
 class ParsedLibraryResultImpl extends AnalysisResultImpl
     implements ParsedLibraryResult {
   @override
diff --git a/tools/VERSION b/tools/VERSION
index b0c12a4..479459d 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -27,5 +27,5 @@
 MAJOR 2
 MINOR 14
 PATCH 0
-PRERELEASE 305
+PRERELEASE 306
 PRERELEASE_PATCH 0
\ No newline at end of file