diff --git a/code/modules/unit_tests/_unit_tests.dm b/code/modules/unit_tests/_unit_tests.dm
index eacac93a2ea..aad6c52862d 100644
--- a/code/modules/unit_tests/_unit_tests.dm
+++ b/code/modules/unit_tests/_unit_tests.dm
@@ -54,4 +54,5 @@
 #undef TEST_ASSERT
 #undef TEST_ASSERT_EQUAL
 #undef TEST_ASSERT_NOTEQUAL
+#undef TEST_FOCUS
 #endif