diff --git a/ortools/bop/CMakeLists.txt b/ortools/bop/CMakeLists.txt
index 221e78f64c..e736db7f6d 100644
--- a/ortools/bop/CMakeLists.txt
+++ b/ortools/bop/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}_bop)
 
 # Will be merge in libortools.so