diff --git a/.travis.yml b/.travis.yml
index cc706c1b2..25c028db8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,6 @@
 language: cpp
 compiler:
-  #- clang
+  - clang
   - gcc
 env:
   global:
@@ -20,12 +20,6 @@ before_script:
   - true
 script:
   - NOCONFIGURE=1 ./autogen.sh
-  - echo CC=$CC
-  - echo CXX=$CXX
-  - echo CPP=$CPP
-  - echo LD=$LD
-  - echo CPPFLAGS="$CPPFLAGS"
-  - echo LDFLAGS="$LDFLAGS"
   - ./configure $FEATURES CPPFLAGS="$CPPFLAGS" LDFLAGS="$LDFLAGS"
   - make
   - make check