diff --git a/src/hotspot/share/classfile/loaderConstraints.cpp b/src/hotspot/share/classfile/loaderConstraints.cpp
index a4b327edee4..e5d0998966f 100644
--- a/src/hotspot/share/classfile/loaderConstraints.cpp
+++ b/src/hotspot/share/classfile/loaderConstraints.cpp
@@ -89,6 +89,9 @@ class ConstraintSet {                               // copied into hashtable as
   }
 
   ~ConstraintSet() {
+    while (!_constraints->is_empty()) {
+      delete _constraints->pop();
+    }
     delete _constraints;
   }