diff --git a/configure.ac b/configure.ac
index dce17f1d..f83bb9be 100644
--- a/configure.ac
+++ b/configure.ac
@@ -92,7 +92,6 @@ AC_CHECK_CC_OPT([-Wall], CFLAGS="$CFLAGS -Wall", [])
 AC_CHECK_CC_OPT([-Wextra], CFLAGS="$CFLAGS -Wextra", [])
 AC_CHECK_CC_OPT([-Wuninitialized], CFLAGS="$CFLAGS -Wuninitialized", [])
 AC_CHECK_CC_OPT([-Wshadow], CFLAGS="$CFLAGS -Wshadow", [])
-AC_CHECK_CC_OPT([-Wpadded], CFLAGS="$CFLAGS -Wpadded", [])
 
 dnl Checks for AS supporting the SSE2 instructions.
 AC_MSG_CHECKING([for sse2])