diff --git a/.travis.yml b/.travis.yml
index a27302c7..4fd4a61d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -128,18 +128,15 @@ matrix:
 
   # OSX / Clang
 
+  - os: osx
+    osx_image: xcode6.4
+
   - os: osx
     osx_image: xcode7.3
 
   - os: osx
     osx_image: xcode8
 
-  - os: osx
-    osx_image: xcode8.1
-
-  - os: osx
-    osx_image: xcode8.2
-
   - os: osx
     osx_image: xcode8.3
 
diff --git a/README.md b/README.md
index f0fb869b..25d079d9 100644
--- a/README.md
+++ b/README.md
@@ -1039,8 +1039,6 @@ The following compilers are currently used in continuous integration at [Travis]
 | Clang 7.0.1     | Ubuntu 14.04.1 LTS           | clang version 7.0.1-svn348686-1~exp1~20181213084532.54 (branches/release_70) |
 | Clang Xcode 7.3 | OSX 10.11.6 | Apple LLVM version 7.3.0 (clang-703.0.31) |
 | Clang Xcode 8.0 | OSX 10.11.6 | Apple LLVM version 8.0.0 (clang-800.0.38) |
-| Clang Xcode 8.1 | OSX 10.12.6 | Apple LLVM version 8.0.0 (clang-800.0.42.1) |
-| Clang Xcode 8.2 | OSX 10.12.6 | Apple LLVM version 8.0.0 (clang-800.0.42.1) |
 | Clang Xcode 8.3 | OSX 10.11.6 | Apple LLVM version 8.1.0 (clang-802.0.38) |
 | Clang Xcode 9.0 | OSX 10.12.6 | Apple LLVM version 9.0.0 (clang-900.0.37) |
 | Clang Xcode 9.1 | OSX 10.12.6 | Apple LLVM version 9.0.0 (clang-900.0.38) |