diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9940065eb8..b25fa4919a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -298,7 +298,7 @@ add_subdirectory(dart)
 
 set(DART_IN_SOURCE_BUILD TRUE)
 
-if(TARGET dart)
+if(false)
 
   # Add a "tests" target to build unit tests.
   enable_testing()