diff --git a/gdk-pixbuf/pixops/pixops.c b/gdk-pixbuf/pixops/pixops.c
index 3d01edaf2a..513d16fc8b 100644
--- a/gdk-pixbuf/pixops/pixops.c
+++ b/gdk-pixbuf/pixops/pixops.c
@@ -217,10 +217,7 @@ _pixops_use_medialib ()
            * For x86 processors use of libumem conflicts with
            * mediaLib, so avoid using it.
            */
-          if ((dlsym (RTLD_DEFAULT, "umem_alloc") != NULL) ||
-              (dlsym (RTLD_PROBE,   "umem_alloc") != NULL) ||
-              (dlsym (RTLD_NEXT,    "umem_alloc") != NULL) ||
-              (dlsym (RTLD_SELF,    "umem_alloc") != NULL))
+          if (dlsym (RTLD_PROBE,   "umem_alloc") != NULL)
             {
               use_medialib = FALSE;
               return;
diff --git a/gdk/gdkmedialib.c b/gdk/gdkmedialib.c
index 0a2301208f..effb89dd85 100644
--- a/gdk/gdkmedialib.c
+++ b/gdk/gdkmedialib.c
@@ -104,10 +104,7 @@ _gdk_use_medialib (void)
             * For x86 processors use of libumem conflicts with
             * mediaLib, so avoid using it.
             */
-           if ((dlsym (RTLD_DEFAULT, "umem_alloc") != NULL) ||
-               (dlsym (RTLD_PROBE,   "umem_alloc") != NULL) ||
-               (dlsym (RTLD_NEXT,    "umem_alloc") != NULL) ||
-               (dlsym (RTLD_SELF,    "umem_alloc") != NULL))
+           if (dlsym (RTLD_PROBE,   "umem_alloc") != NULL)
              {
                return FALSE;
              }