1 files changed, 2 insertions, 0 deletions
diff --git a/variable.c b/variable.c
index c97c210af1..079f862797 100644
--- a/variable.c
+++ b/variable.c
@@ -2203,6 +2203,8 @@ rb_const_set(VALUE klass, ID id, VALUE val)
 		    rb_compile_warn(RSTRING_PTR(ce->file), ce->line,
 				    "previous definition of %"PRIsVALUE" was here", name);
 		}
+		st_delete(RCLASS_CONST_TBL(klass), &id, 0);
+		xfree(ce);
 	    }
 	}
     }