diff --git a/.travis.yml b/.travis.yml
index ec264fa..f591d43 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -22,7 +22,7 @@ cache:
 before_install:
   - sudo apt-add-repository --yes ppa:zoogie/sdl2-snapshots
   - sudo apt-get update -qq
-  - sudo apt-get install libsdl2-dev libsdl2-image-dev libsdl2-mixer-dev libsdl2-ttf-dev docbook-to-man libboost-program-options-dev 
+  - sudo apt-get install libsdl2-dev libsdl2-image-dev libsdl2-mixer-dev libsdl2-ttf-dev libboost-program-options-dev 
 
 install:
   - export CXX="g++-4.9"