diff --git a/pkg/analyzer/lib/src/dart/analysis/file_state.dart b/pkg/analyzer/lib/src/dart/analysis/file_state.dart
index 903b0f4..f0f35eb 100644
--- a/pkg/analyzer/lib/src/dart/analysis/file_state.dart
+++ b/pkg/analyzer/lib/src/dart/analysis/file_state.dart
@@ -121,7 +121,6 @@
   LineInfo? _lineInfo;
   Uint8List? _unlinkedSignature;
   String? _unlinkedKey;
-  String? _informativeKey;
   AnalysisDriverUnlinkedUnit? _driverUnlinkedUnit;
   Uint8List? _apiSignature;
 
@@ -335,16 +334,6 @@
     return other is FileState && other.uri == uri;
   }
 
-  Uint8List getInformativeBytes({CompilationUnit? unit}) {
-    var bytes = _fsState._byteStore.get(_informativeKey!);
-    if (bytes == null) {
-      unit ??= parse();
-      bytes = writeUnitInformative(unit);
-      _fsState._byteStore.put(_informativeKey!, bytes);
-    }
-    return bytes;
-  }
-
   void internal_setLibraryCycle(LibraryCycle? cycle) {
     _libraryCycle = cycle;
   }
@@ -394,9 +383,8 @@
       signature.addBool(_exists!);
       _unlinkedSignature = signature.toByteList();
       var signatureHex = hex.encode(_unlinkedSignature!);
-      _unlinkedKey = '$signatureHex.unlinked2';
       // TODO(scheglov) Use the path as the key, and store the signature.
-      _informativeKey = '$signatureHex.ast';
+      _unlinkedKey = '$signatureHex.unlinked2';
     }
 
     // Prepare the unlinked unit.
@@ -611,6 +599,7 @@
       hasLibraryDirective: hasLibraryDirective,
       hasPartOfDirective: hasPartOfDirective,
       imports: imports,
+      informativeBytes: writeUnitInformative(unit),
       lineStarts: Uint32List.fromList(unit.lineInfo!.lineStarts),
       partOfName: null,
       partOfUri: null,
diff --git a/pkg/analyzer/lib/src/dart/analysis/library_context.dart b/pkg/analyzer/lib/src/dart/analysis/library_context.dart
index 7973df8..72092ad 100644
--- a/pkg/analyzer/lib/src/dart/analysis/library_context.dart
+++ b/pkg/analyzer/lib/src/dart/analysis/library_context.dart
@@ -117,7 +117,7 @@
       var unitsInformativeBytes = <Uri, Uint8List>{};
       for (var library in cycle.libraries) {
         for (var file in library.libraryFiles) {
-          unitsInformativeBytes[file.uri] = file.getInformativeBytes();
+          unitsInformativeBytes[file.uri] = file.unlinked2.informativeBytes;
         }
       }
 
diff --git a/pkg/analyzer/lib/src/dart/analysis/unlinked_data.dart b/pkg/analyzer/lib/src/dart/analysis/unlinked_data.dart
index 2c7b78b..5ab1857 100644
--- a/pkg/analyzer/lib/src/dart/analysis/unlinked_data.dart
+++ b/pkg/analyzer/lib/src/dart/analysis/unlinked_data.dart
@@ -153,6 +153,9 @@
   /// URIs of `import` directives.
   final List<UnlinkedNamespaceDirective> imports;
 
+  /// Encoded informative data.
+  final Uint8List informativeBytes;
+
   /// Offsets of the first character of each line in the source code.
   final Uint32List lineStarts;
 
@@ -171,6 +174,7 @@
     required this.hasLibraryDirective,
     required this.hasPartOfDirective,
     required this.imports,
+    required this.informativeBytes,
     required this.lineStarts,
     required this.partOfName,
     required this.partOfUri,
@@ -188,6 +192,7 @@
       imports: reader.readTypedList(
         () => UnlinkedNamespaceDirective.read(reader),
       ),
+      informativeBytes: reader.readUint8List(),
       lineStarts: reader.readUInt30List(),
       partOfName: reader.readOptionalStringUtf8(),
       partOfUri: reader.readOptionalStringUtf8(),
@@ -205,6 +210,7 @@
     sink.writeList<UnlinkedNamespaceDirective>(imports, (x) {
       x.write(sink);
     });
+    sink.writeUint8List(informativeBytes);
     sink.writeUint30List(lineStarts);
     sink.writeOptionalStringUtf8(partOfName);
     sink.writeOptionalStringUtf8(partOfUri);
diff --git a/pkg/analyzer/lib/src/dart/micro/library_graph.dart b/pkg/analyzer/lib/src/dart/micro/library_graph.dart
index f600275..9e6cb1c 100644
--- a/pkg/analyzer/lib/src/dart/micro/library_graph.dart
+++ b/pkg/analyzer/lib/src/dart/micro/library_graph.dart
@@ -155,17 +155,11 @@
   late Uint8List _digest;
   late bool _exists;
   late CiderUnlinkedUnit unlinked;
-  Uint8List? informativeBytes;
   LibraryCycle? _libraryCycle;
 
   /// id of the cache entry with unlinked data.
   late int unlinkedId;
 
-  /// id of the cache entry with informative data.
-  /// We use a separate entry because there is no good way to efficiently
-  /// store a raw byte array.
-  late int informativeId;
-
   FileState._(
     this._fsState,
     this.path,
@@ -298,22 +292,15 @@
     });
 
     String unlinkedKey = '$path.unlinked';
-    String informativeKey = '$path.informative';
 
     // Prepare bytes of the unlinked bundle - existing or new.
     // TODO(migration): should not be nullable
     Uint8List? unlinkedBytes;
-    Uint8List? informativeBytes;
     {
       var unlinkedData = _fsState._byteStore.get(unlinkedKey, _digest);
-      var informativeData = _fsState._byteStore.get(informativeKey, _digest);
       unlinkedBytes = unlinkedData?.bytes;
-      informativeBytes = informativeData?.bytes;
 
-      if (unlinkedBytes == null ||
-          unlinkedBytes.isEmpty ||
-          informativeBytes == null ||
-          informativeBytes.isEmpty) {
+      if (unlinkedBytes == null || unlinkedBytes.isEmpty) {
         var content = performance.run('content', (_) {
           return getContent();
         });
@@ -333,14 +320,6 @@
           unlinkedBytes = unlinkedData!.bytes;
         });
 
-        performance.run('informative', (performance) {
-          informativeBytes = writeUnitInformative(unit);
-          performance.getDataInt('length').add(informativeBytes!.length);
-          informativeData = _fsState._byteStore
-              .putGet(informativeKey, _digest, informativeBytes!);
-          informativeBytes = informativeData!.bytes;
-        });
-
         unlinked = CiderUnlinkedUnit.fromBytes(unlinkedBytes!);
 
         // TODO(scheglov) We decode above only because we call it here.
@@ -349,8 +328,6 @@
         });
       }
       unlinkedId = unlinkedData!.id;
-      informativeId = informativeData!.id;
-      this.informativeBytes = Uint8List.fromList(informativeBytes!);
     }
 
     // Read the unlinked bundle.
@@ -592,6 +569,7 @@
       hasLibraryDirective: hasLibraryDirective,
       hasPartOfDirective: hasPartOfDirective,
       imports: imports,
+      informativeBytes: writeUnitInformative(unit),
       lineStarts: Uint32List.fromList(unit.lineInfo!.lineStarts),
       partOfName: partOfName,
       partOfUri: partOfUriStr,
@@ -697,7 +675,6 @@
     var result = <int>{};
     for (var file in _pathToFile.values) {
       result.add(file.unlinkedId);
-      result.add(file.informativeId);
     }
     return result;
   }
diff --git a/pkg/analyzer/lib/src/dart/micro/resolve_file.dart b/pkg/analyzer/lib/src/dart/micro/resolve_file.dart
index 93107c8..ab564f3 100644
--- a/pkg/analyzer/lib/src/dart/micro/resolve_file.dart
+++ b/pkg/analyzer/lib/src/dart/micro/resolve_file.dart
@@ -168,7 +168,6 @@
     // Schedule disposing references to cached unlinked data.
     for (var removedFile in removedFiles) {
       removedCacheIds.add(removedFile.unlinkedId);
-      removedCacheIds.add(removedFile.informativeId);
     }
 
     // Remove libraries represented by removed files.
@@ -405,7 +404,6 @@
     var removedFiles = fsState!.removeUnusedFiles(files);
     for (var removedFile in removedFiles) {
       removedCacheIds.add(removedFile.unlinkedId);
-      removedCacheIds.add(removedFile.informativeId);
     }
   }
 
@@ -825,10 +823,8 @@
       var unitsInformativeBytes = <Uri, Uint8List>{};
       for (var library in cycle.libraries) {
         for (var file in library.libraryFiles) {
-          var informativeBytes = file.informativeBytes;
-          if (informativeBytes != null) {
-            unitsInformativeBytes[file.uri] = informativeBytes;
-          }
+          var informativeBytes = file.unlinked.unit.informativeBytes;
+          unitsInformativeBytes[file.uri] = informativeBytes;
         }
       }