diff -Naur a/runtime/defaults.vim b/runtime/defaults.vim
--- a/runtime/defaults.vim	2016-09-02 15:57:51.000000000 -0500
+++ b/runtime/defaults.vim	2016-10-23 06:37:37.616000000 -0500
@@ -66,9 +66,9 @@
 
 " In many terminal emulators the mouse works just fine.  By enabling it you
 " can position the cursor, Visually select and scroll with the mouse.
-if has('mouse')
-  set mouse=a
-endif
+"if has('mouse')
+"  set mouse=a
+"endif
 
 " Switch syntax highlighting on when the terminal has colors or when using the
 " GUI (which always has colors).