diff --git a/packaging/travis/setup_osx.sh b/packaging/travis/setup_osx.sh
index 9fc187f70..503882675 100755
--- a/packaging/travis/setup_osx.sh
+++ b/packaging/travis/setup_osx.sh
@@ -7,6 +7,5 @@ wget https://www.python.org/ftp/python/2.7.11/python-2.7.11-macosx10.6.pkg
 sudo installer -pkg python-2.7.11-macosx10.6.pkg -target /
 pip install -U pip
 brew update
-brew install gmp
 brew install openssl
 brew link --force openssl