we shouldn't need the unused arguments flags any more.
diff --git a/.travis/run.sh b/.travis/run.sh
index 6686a20..e4ff266 100755
--- a/.travis/run.sh
+++ b/.travis/run.sh
@@ -6,9 +6,8 @@
 if [[ "$(uname -s)" == "Darwin" ]]; then
     eval "$(pyenv init -)"
     if [[ "${OPENSSL}" != "0.9.8" ]]; then
-        # set our flags to use homebrew openssl and not error on
-        # unused compiler args (looking at you mno-fused-madd)
-        export ARCHFLAGS="-arch x86_64 -Wno-error=unused-command-line-argument-hard-error-in-future"
+        # set our flags to use homebrew openssl
+        export ARCHFLAGS="-arch x86_64"
         export LDFLAGS="-L/usr/local/opt/openssl/lib"
         export CFLAGS="-I/usr/local/opt/openssl/include"
         # The Travis OS X jobs are run for two versions
@@ -16,8 +15,6 @@
         # CommonCrypto backend tests once. Exclude
         # CommonCrypto when we test against brew OpenSSL
         export TOX_FLAGS="--backend=openssl"
-    else
-        export ARCHFLAGS="-Wno-error=unused-command-line-argument-hard-error-in-future"
     fi
 fi
 source ~/.venv/bin/activate