diff --git a/OSBindings/Mac/Clock Signal.xcodeproj/project.pbxproj b/OSBindings/Mac/Clock Signal.xcodeproj/project.pbxproj
index c26b94cd7..2b784af4e 100644
--- a/OSBindings/Mac/Clock Signal.xcodeproj/project.pbxproj	
+++ b/OSBindings/Mac/Clock Signal.xcodeproj/project.pbxproj	
@@ -6515,7 +6515,6 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "TH.Clock-Signal";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "Clock Signal/ClockSignal-Bridging-Header.h";
-				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
 			};
 			name = Debug;
 		};
@@ -6539,7 +6538,6 @@
 					"$(inherited)",
 					"$(USER_LIBRARY_DIR)/Frameworks",
 				);
-				GCC_OPTIMIZATION_LEVEL = 2;
 				GCC_PREPROCESSOR_DEFINITIONS = "NDEBUG=1";
 				GCC_TREAT_IMPLICIT_FUNCTION_DECLARATIONS_AS_ERRORS = YES;
 				GCC_TREAT_INCOMPATIBLE_POINTER_TYPE_WARNINGS_AS_ERRORS = YES;