diff --git a/_travis/prepare_osx.sh b/_travis/prepare_osx.sh
index 726b0d83626a2a8f19e4a647407c7d9d22e823ea..dd86d85e257d68e133c6aeb517e689e0fd7c1095 100755
--- a/_travis/prepare_osx.sh
+++ b/_travis/prepare_osx.sh
@@ -20,4 +20,3 @@
 set -o nounset                              # Treat unset variables as an error
 echo "Nothing to do here. The moose.rb formula will install all dependecnies"
 brew update
-brew tap homebrew/science