diff --git a/Source/JavaScriptCore/heap/CodeBlockSet.cpp b/Source/JavaScriptCore/heap/CodeBlockSet.cpp
index d2a9bd9..666d85e 100644
--- a/Source/JavaScriptCore/heap/CodeBlockSet.cpp
+++ b/Source/JavaScriptCore/heap/CodeBlockSet.cpp
@@ -96,6 +96,12 @@
     }
 }
 
+void CodeBlockSet::remove(CodeBlock* codeBlock)
+{
+    codeBlock->deref();
+    m_set.remove(codeBlock);
+}
+
 void CodeBlockSet::traceMarked(SlotVisitor& visitor)
 {
     if (verbose)