diff --git a/.travis.yml b/.travis.yml
index 061e383c6..f04bb57ce 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -19,7 +19,6 @@ env:
  - CABALVER=1.22 GHCVER=7.10.2
  - CABALVER=1.22 GHCVER=7.10.3
  - CABALVER=1.24 GHCVER=8.0.1
- - CABALVER=head GHCVER=head
 
 # Note: the distinction between `before_install` and `install` is not
 #       important.