diff --git a/pkg/analyzer/lib/src/summary/format.dart b/pkg/analyzer/lib/src/summary/format.dart
index a51595467ec..6d4ecc85c6e 100644
--- a/pkg/analyzer/lib/src/summary/format.dart
+++ b/pkg/analyzer/lib/src/summary/format.dart
@@ -5370,6 +5370,8 @@ class UnlinkedExecutableBuilder extends Object with _UnlinkedExecutableMixin imp
     _redirectedConstructor?.flushInformative();
     _returnType?.flushInformative();
     _typeParameters?.forEach((b) => b.flushInformative());
+    _visibleLength = null;
+    _visibleOffset = null;
   }
 
   /**
@@ -5430,8 +5432,6 @@ class UnlinkedExecutableBuilder extends Object with _UnlinkedExecutableMixin imp
         x?.collectApiSignature(signature);
       }
     }
-    signature.addInt(this._visibleLength ?? 0);
-    signature.addInt(this._visibleOffset ?? 0);
     signature.addInt(this._constCycleSlot ?? 0);
     signature.addBool(this._bodyExpr != null);
     this._bodyExpr?.collectApiSignature(signature);
diff --git a/pkg/analyzer/lib/src/summary/idl.dart b/pkg/analyzer/lib/src/summary/idl.dart
index ba024afd8e7..07a94611058 100644
--- a/pkg/analyzer/lib/src/summary/idl.dart
+++ b/pkg/analyzer/lib/src/summary/idl.dart
@@ -1926,12 +1926,14 @@ abstract class UnlinkedExecutable extends base.SummaryClass {
   /**
    * If a local function, the length of the visible range; zero otherwise.
    */
+  @informative
   @Id(20)
   int get visibleLength;
 
   /**
    * If a local function, the beginning of the visible range; zero otherwise.
    */
+  @informative
   @Id(21)
   int get visibleOffset;
 }