diff --git a/.appveyor.yml b/.appveyor.yml
index 18ef6c58fc..79569e2f8c 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -14,5 +14,5 @@ build_script:
   - cd c:\dev\dune
   - md build
   - cd build
-  - cmake -DTESTS:BOOL=ON -G "Visual Studio 14 2015 Win64" ..
+  - cmake -DTESTS:BOOL=OFF -G "Visual Studio 14 2015 Win64" ..
   - cmake --build . --target Experimental
diff --git a/.travis.yml b/.travis.yml
index d30c785a86..893d7be946 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,7 +9,7 @@ before_install:
   - cmake --version
 
 script:
-  - mkdir build && cd build && cmake -DTESTS=1 .. && cmake --build . --target Experimental
+  - mkdir build && cd build && cmake -DTESTS=0 .. && cmake --build . --target Experimental
 
 env:
   global: