diff --git a/.travis.yml b/.travis.yml
index aef6f33..1f7ac6c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -94,12 +94,11 @@ matrix:
 
     - os: linux
       compiler: clang++-3.5
-      env: TOOLSET=clang COMPILER=clang++-3.5 CXXSTD=03,11,14,1z
+      env: TOOLSET=clang COMPILER=clang++-3.5 CXXSTD=03,11
       addons:
         apt:
           packages:
             - clang-3.5
-            - libstdc++-5-dev
           sources:
             - ubuntu-toolchain-r-test
             - llvm-toolchain-precise-3.5