diff --git a/.travis.yml b/.travis.yml
index 9b26b79..ceed310 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -67,18 +67,6 @@ matrix:
       env:
         - CXX_COMPILER=clang++-7 CC_COMPILER=clang-7
 
-    - os: osx
-      compiler: clang++
-      osx_image: xcode7.3
-      env:
-        - CXX_COMPILER=clang++ CC_COMPILER=clang
-
-    - os: osx
-      compiler: clang++
-      osx_image: xcode8.3
-      env:
-        - CXX_COMPILER=clang++ CC_COMPILER=clang
-
     - os: osx
       compiler: clang++
       osx_image: xcode9.4