diff --git a/.travis.yml b/.travis.yml
index aaafdb3..6080e96 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,14 +1,10 @@
 sudo: require
-dist: trusty
 language: cpp
 compiler: gcc
 before_install:
-    - sudo unlink /usr/bin/g++ && sudo ln -s /usr/bin/g++-5 /usr/bin/g++
-    - sudo unlink /usr/bin/gcc && sudo ln -s /usr/bin/gcc-5 /usr/bin/gcc
     - gcc --version
     - g++ --version
     - sudo rm -rf /var/lib/apt/lists/partial/*
-    - sudo apt -o Acquire::https::No-Cache=True -o Acquire::http::No-Cache=True update
     - sudo apt-get install -y cmake
     - sudo apt-get install -y libgtest-dev
     - sudo apt-get install -y python2.7 python-pip