diff --git a/.travis.yml b/.travis.yml
index aeda6025..ec5d856e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,8 +8,6 @@ compiler:
 env:
   - COMPILER=g++-4.9
   - COMPILER=g++-5
-  - COMPILER=clang-3.4
-  - COMPILER=clang-3.5
   - COMPILER=clang-3.6
   - COMPILER=clang-3.7
 
@@ -17,16 +15,11 @@ addons:
   apt:
     sources:
     - ubuntu-toolchain-r-test
-    - llvm-toolchain-precise
-    - llvm-toolchain-precise-3.5
     - llvm-toolchain-precise-3.6
     - llvm-toolchain-precise-3.7
     packages:
-    - g++-4.8
     - g++-4.9
     - g++-5
-    - clang-3.4
-    - clang-3.5
     - clang-3.6
     - clang-3.7
     - valgrind