diff --git a/ProSystem.xcodeproj/project.pbxproj b/ProSystem.xcodeproj/project.pbxproj
index ca651ba..b6591e3 100644
--- a/ProSystem.xcodeproj/project.pbxproj
+++ b/ProSystem.xcodeproj/project.pbxproj
@@ -533,6 +533,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				CLANG_ENABLE_MODULES = YES;
+				CLANG_ENABLE_OBJC_ARC = YES;
 				CLANG_ENABLE_OBJC_EXPERIMENTAL = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
@@ -541,9 +542,10 @@
 				CLANG_WARN_INT_CONVERSION = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
+				DEAD_CODE_STRIPPING = YES;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
-				ENABLE_TESTABILITY = YES;
+				ENABLE_TESTABILITY = NO;
 				GCC_C_LANGUAGE_STANDARD = gnu99;
 				GCC_GENERATE_DEBUGGING_SYMBOLS = YES;
 				GCC_OPTIMIZATION_LEVEL = 0;
@@ -556,10 +558,8 @@
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				HEADER_SEARCH_PATHS = "";
-				MACOSX_DEPLOYMENT_TARGET = 10.7;
-				ONLY_ACTIVE_ARCH = YES;
+				MACOSX_DEPLOYMENT_TARGET = 10.11;
 				SDKROOT = macosx;
-				VALID_ARCHS = x86_64;
 			};
 			name = Debug;
 		};
@@ -567,6 +567,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				CLANG_ENABLE_MODULES = YES;
+				CLANG_ENABLE_OBJC_ARC = YES;
 				CLANG_ENABLE_OBJC_EXPERIMENTAL = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
@@ -578,6 +579,7 @@
 				DEAD_CODE_STRIPPING = YES;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				ENABLE_TESTABILITY = NO;
 				GCC_C_LANGUAGE_STANDARD = gnu99;
 				GCC_GENERATE_DEBUGGING_SYMBOLS = YES;
 				GCC_OPTIMIZATION_LEVEL = 3;
@@ -590,9 +592,8 @@
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				HEADER_SEARCH_PATHS = "";
-				MACOSX_DEPLOYMENT_TARGET = 10.7;
+				MACOSX_DEPLOYMENT_TARGET = 10.11;
 				SDKROOT = macosx;
-				VALID_ARCHS = x86_64;
 			};
 			name = Release;
 		};