diff --git a/pkg/analyzer/lib/src/generated/source.dart b/pkg/analyzer/lib/src/generated/source.dart
index 4c75e76d61b..78ad08585a3 100644
--- a/pkg/analyzer/lib/src/generated/source.dart
+++ b/pkg/analyzer/lib/src/generated/source.dart
@@ -11,10 +11,6 @@ import 'package:path/path.dart' as pathos;
 export 'package:analyzer/source/line_info.dart' show LineInfo;
 export 'package:analyzer/source/source_range.dart';
 
-/// A function that is used to visit [ContentCache] entries.
-typedef ContentCacheVisitor = void Function(
-    String fullPath, int stamp, String contents);
-
 /// Base class providing implementations for the methods in [Source] that don't
 /// require filesystem access.
 abstract class BasicSource extends Source {