diff --git a/src/share/vm/prims/jvmtiClassFileReconstituter.hpp b/src/share/vm/prims/jvmtiClassFileReconstituter.hpp
index 4170cf9155d45f954c26c593cc30ee629cd23567..1ac45efb9a649c07165d181e74dcaac3eb84f011 100644
--- a/src/share/vm/prims/jvmtiClassFileReconstituter.hpp
+++ b/src/share/vm/prims/jvmtiClassFileReconstituter.hpp
@@ -68,11 +68,11 @@ class JvmtiConstantPoolReconstituter : public StackObj {
 
   ~JvmtiConstantPoolReconstituter() {
     if (_symmap != NULL) {
-      os::free(_symmap, mtClass);
+      delete _symmap;
       _symmap = NULL;
     }
     if (_classmap != NULL) {
-      os::free(_classmap, mtClass);
+      delete _classmap;
       _classmap = NULL;
     }
   }