kc3-lang/libffi

diff --git a/.travis.yml b/.travis.yml
index b139082..2c44f95 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,12 +7,7 @@ matrix:
   include:
     - os: osx
       env: HOST=arm-apple-darwin
-    - os: linux
-      env: HOST=ppc64le-linux-gnu LIBFFI_TEST_OPTIMIZATION="-O0"
-    - os: linux
-      env: HOST=ppc64le-linux-gnu LIBFFI_TEST_OPTIMIZATION="-O2"
-    - os: linux
-      env: HOST=ppc64le-linux-gnu LIBFFI_TEST_OPTIMIZATION="-O2 -fomit-frame-pointer"
+
     - os: linux
       env: HOST=arm32v7-linux-gnu LIBFFI_TEST_OPTIMIZATION="-O0"
     - os: linux