diff --git a/ortools/base/CMakeLists.txt b/ortools/base/CMakeLists.txt
index aa06420ac5..cd958899e2 100644
--- a/ortools/base/CMakeLists.txt
+++ b/ortools/base/CMakeLists.txt
@@ -12,6 +12,7 @@
 # limitations under the License.
 
 file(GLOB _SRCS "*.h" "*.cc")
+list(FILTER _SRCS EXCLUDE REGEX ".*/.*_test.cc")
 set(NAME ${PROJECT_NAME}_base)
 
 # Will be merge in libortools.so