diff --git a/configure b/configure
index 6adfa72909eaf1b43f9bd5fd762b6aa9d48c8c3f..332eea009fedd0a8d33e98c82d9c8f08be7d7cba 100755
--- a/configure
+++ b/configure
@@ -1137,11 +1137,11 @@ case "$cpu" in
            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
            ;;
     s390)
-           CPU_CFLAGS="-m31 -march=z990"
+           CPU_CFLAGS="-m31"
            LDFLAGS="-m31 $LDFLAGS"
            ;;
     s390x)
-           CPU_CFLAGS="-m64 -march=z990"
+           CPU_CFLAGS="-m64"
            LDFLAGS="-m64 $LDFLAGS"
            ;;
     i386)