diff --git a/sysdeps/s390/memrchr-c.c b/sysdeps/s390/memrchr-c.c
index b4b85725d3..f6ffe85572 100644
--- a/sysdeps/s390/memrchr-c.c
+++ b/sysdeps/s390/memrchr-c.c
@@ -25,7 +25,9 @@
 
 # include <string/memrchr.c>
 
-# if defined SHARED && IS_IN (libc)
+# if HAVE_MEMRCHR_IFUNC
+#  if defined SHARED && IS_IN (libc)
 __hidden_ver1 (__memrchr_c, __GI___memrchr, __memrchr_c);
+#  endif
 # endif
 #endif
diff --git a/sysdeps/s390/strchrnul-c.c b/sysdeps/s390/strchrnul-c.c
index 7f2f1fd540..97fd9ffbf7 100644
--- a/sysdeps/s390/strchrnul-c.c
+++ b/sysdeps/s390/strchrnul-c.c
@@ -24,7 +24,9 @@
 # endif
 
 # include <string/strchrnul.c>
-# if defined SHARED && IS_IN (libc)
+# if HAVE_STRCHRNUL_IFUNC
+#  if defined SHARED && IS_IN (libc)
 __hidden_ver1 (__strchrnul_c, __GI___strchrnul, __strchrnul_c);
+#  endif
 # endif
 #endif