diff --git a/acconfig.h b/acconfig.h
index e87336e48b..7c8669f39c 100644
--- a/acconfig.h
+++ b/acconfig.h
@@ -16,6 +16,3 @@
  *** it does not get installed.
  ***/
 @TOP@
-
-/* Define to 1 if you have the uname library function. */
-#undef HAVE_UNAME
diff --git a/config.h.in b/config.h.in
index b6dc6d6a5a..0891a2e80c 100644
--- a/config.h.in
+++ b/config.h.in
@@ -17,9 +17,6 @@
  *** it does not get installed.
  ***/
 
-/* Define to 1 if you have the uname library function. */
-#undef HAVE_UNAME
-
 /* Define if building universal (internal helper macro) */
 #undef AC_APPLE_UNIVERSAL_BUILD