diff --git a/.travis.yml b/.travis.yml
index f2326a0..74b015c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -109,13 +109,6 @@ matrix:
       env:
         - CXX_COMPILER=clang++-9 CC_COMPILER=clang-9
 
-
-    - os: osx
-      compiler: clang++
-      osx_image: xcode9.4
-      env:
-        - CXX_COMPILER=clang++ CC_COMPILER=clang
-
     - os: osx
       compiler: clang++
       osx_image: xcode10.3
diff --git a/README.md b/README.md
index ca43c25..c25bd84 100644
--- a/README.md
+++ b/README.md
@@ -115,7 +115,7 @@ If you are using [Conan](https://www.conan.io/) to manage your dependencies, mer
 
 * Clang/LLVM >= 5
 * Visual C++ >= 15.3 / Visual Studio >= 2017
-* Xcode >= 9
+* Xcode >= 10
 * GCC >= 7 (GCC >= 9 for NAMEOF_ENUM)
 
 ## Licensed under the [MIT License](LICENSE)