diff --git a/.travis.yml b/.travis.yml
index 83dc0f1..bc2421e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -19,28 +19,6 @@ script:
 
 matrix:
   include:
-    - name: Linux arm
-      os: linux
-      arch: arm64
-      compiler: gcc
- 
-    - name: Linux amd64
-      os: linux
-
-    - name: Windows-MinGW
-      os: windows
-      script: 
-        - mingw32-make
-        - ./icapp ZIPF
-
-    - name: macOS, xcode11
-      os: osx
-      osx_image: xcode11
-
-    - name: macOS, xcode9.4
-      os: osx
-      osx_image: xcode9.4
-
     - name: Power ppc64le
       os: linux-ppc64le
       compiler: gcc