diff --git a/slycot/tests/CMakeLists.txt b/slycot/tests/CMakeLists.txt
index e397b0de..05ecb6c5 100644
--- a/slycot/tests/CMakeLists.txt
+++ b/slycot/tests/CMakeLists.txt
@@ -11,7 +11,6 @@ set(PYSOURCE
   test_mc.py
   test_sb.py
   test_analysis.py
-  test_transform.py
   test_sg02ad.py
   test_sg03ad.py
   test_tb01id.py