diff --git a/.travis.yml b/.travis.yml
index ec7c2c1b..fbea43db 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,18 +9,6 @@ matrix:
       osx_image: xcode7.2
       compiler: gcc
       env: VERSION=-5
-    - compiler: gcc
-      addons:
-        apt:
-          sources:
-            - ubuntu-toolchain-r-test
-          packages:
-            - g++-4.8
-            - libmpfr-dev
-            - libgmp-dev
-            - libmpc-dev
-            - binutils-dev
-      env: VERSION=-4.8
     - compiler: gcc
       addons:
         apt:
@@ -75,16 +63,17 @@ matrix:
 before_install:
     - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew update; fi
     - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew install libmpc; fi
-    - if [[ "$TRAVIS_OS_NAME" == "osx" ]] && [[ "$CC" == "gcc" ]]; then brew install gcc5; fi
-  
+    - if [[ "$TRAVIS_OS_NAME" == "osx" ]] && [[ "$CC" == "gcc" ]]; then brew install gcc5; f
+    
 install:
     - export CC=$CC$VERSION
     - export CXX=$CXX$VERSION
+    - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then export LDFLAGS='-L/usr/local/lib'; fi
     
 script:
     - ./scripts/reconfigure_script
     - mkdir build
     - cd build
-    - ../configure CXXFLAGS="-mavx -mfma -O3 -std=c++11" LIBS="-fopenmp -lmpfr -lgmp" --enable-precision=single --enable-simd=AVX --enable-comms=none
+    - ../configure CXXFLAGS="-msse4.2 -O3 -std=c++11" LIBS="-lmpfr -lgmp" --enable-precision=single --enable-simd=SSE4 --enable-comms=none
     - make -j4
     - ./benchmarks/Benchmark_dwf --threads 1