diff --git a/autogen.sh b/autogen.sh
index 44c5ccda0f..266a808478 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -90,7 +90,7 @@ echo timestamp > stamp-h.in 2> /dev/null
 
 tool_run "$autoconf"
 debug "automake: $automake"
-tool_run "$automake" "--add-missing --copy -Wno-portability"
+tool_run "$automake" "--add-missing --copy"
 
 test -n "$NOCONFIGURE" && {
   echo "skipping configure stage for package $package, as requested."