diff --git a/icu4c/source/common/ucln_cmn.c b/icu4c/source/common/ucln_cmn.c
index 8d009cd91f5..b8e260358d3 100644
--- a/icu4c/source/common/ucln_cmn.c
+++ b/icu4c/source/common/ucln_cmn.c
@@ -46,7 +46,7 @@ void u_cleanup(void)
         }
 
     }
-    /*unorm_cleanup();*/
+    unorm_cleanup();
     unames_cleanup();
     uchar_cleanup();
     locale_cleanup();