diff --git a/.travis.yml b/.travis.yml
index 76e1e5aba..acd542bab 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -131,18 +131,6 @@ matrix:
 
   # OSX / Clang
 
-  - os: osx
-    osx_image: xcode8.3
-
-  - os: osx
-    osx_image: xcode9
-
-  - os: osx
-    osx_image: xcode9.1
-
-  - os: osx
-    osx_image: xcode9.2
-
   - os: osx
     osx_image: xcode9.3
 
diff --git a/README.md b/README.md
index 121d7c91d..f56ff205f 100644
--- a/README.md
+++ b/README.md
@@ -1073,10 +1073,6 @@ The following compilers are currently used in continuous integration at [Travis]
 | Clang 5.0.2           | Ubuntu 14.04.1 LTS           | clang version 5.0.2-svn328729-1~exp1~20180509123505.100 (branches/release_50) |
 | Clang 6.0.1           | Ubuntu 14.04.1 LTS           | clang version 6.0.1-svn334776-1~exp1~20180726133705.85 (branches/release_60) |
 | Clang 7.0.1           | Ubuntu 14.04.1 LTS           | clang version 7.0.1-svn348686-1~exp1~20181213084532.54 (branches/release_70) |
-| 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) |
-| Clang Xcode 9.2       | OSX 10.13.3                  | Apple LLVM version 9.1.0 (clang-902.0.39.1) |
 | Clang Xcode 9.3       | OSX 10.13.3                  | Apple LLVM version 9.1.0 (clang-902.0.39.2) |
 | Clang Xcode 10.0      | OSX 10.13.3                  | Apple LLVM version 10.0.0 (clang-1000.11.45.2) |
 | Clang Xcode 10.1      | OSX 10.13.3                  | Apple LLVM version 10.0.0 (clang-1000.11.45.5) |