diff --git a/tests/unit_tests/CMakeLists.txt b/tests/unit_tests/CMakeLists.txt
index a86676fad..00bd044ef 100644
--- a/tests/unit_tests/CMakeLists.txt
+++ b/tests/unit_tests/CMakeLists.txt
@@ -143,8 +143,6 @@ set_property(TARGET unit_tests
   PROPERTY
     COMPILE_FLAGS " -Wno-undef -Wno-sign-compare")
 
-SET_PROPERTY(SOURCE memwipe.cpp PROPERTY COMPILE_FLAGS -Ofast)
-
 add_test(
   NAME    unit_tests
   COMMAND unit_tests --data-dir "${TEST_DATA_DIR}")