diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 67a0947e..43b73471 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -16,7 +16,6 @@ set(SFIZZ_TEST_SOURCES
     SIMDHelpersT.cpp
     FilesT.cpp
     MidiStateT.cpp
-    OnePoleFilterT.cpp
     InterpolatorsT.cpp
     SmoothersT.cpp
     RegionActivationT.cpp