diff --git a/.travis.yml b/.travis.yml
index 3fa3e4f5e..945623574 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -188,10 +188,6 @@ matrix:
     env: LLVM_VERSION=3.8.1
     compiler: clang
 
-  - os: linux
-    env: LLVM_VERSION=3.9.0
-    compiler: clang
-
 #####################
 # installation step #
 #####################
@@ -206,7 +202,6 @@ cache:
     - ${TRAVIS_BUILD_DIR}/deps/llvm-3.7.1
     - ${TRAVIS_BUILD_DIR}/deps/llvm-3.8.0
     - ${TRAVIS_BUILD_DIR}/deps/llvm-3.8.1
-    - ${TRAVIS_BUILD_DIR}/deps/llvm-3.9.0
 
 
 install: