diff --git a/Kraken.xcodeproj/project.pbxproj b/Kraken.xcodeproj/project.pbxproj
index 7065060..7054609 100644
--- a/Kraken.xcodeproj/project.pbxproj
+++ b/Kraken.xcodeproj/project.pbxproj
@@ -1597,7 +1597,7 @@
 		E491015813C99B9D0098455B /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 0460;
+				LastUpgradeCheck = 0600;
 				ORGANIZATIONNAME = "Kearwood Software";
 				TargetAttributes = {
 					E48C527919C570C50062E439 = {
@@ -2033,6 +2033,7 @@
 				HEADER_SEARCH_PATHS = /usr/local/include/;
 				LLVM_VECTORIZE_LOOPS = YES;
 				MACOSX_DEPLOYMENT_TARGET = 10.6;
+				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
 				SKIP_INSTALL = YES;
 			};
@@ -2062,7 +2063,6 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = YES;
-				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
 				COMBINE_HIDPI_IMAGES = YES;
 				COPY_PHASE_STRIP = NO;
 				DYLIB_COMPATIBILITY_VERSION = 1;
@@ -2105,7 +2105,6 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = YES;
-				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
 				COMBINE_HIDPI_IMAGES = YES;
 				COPY_PHASE_STRIP = YES;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
@@ -2147,7 +2146,6 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
-				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
@@ -2185,7 +2183,6 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
-				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
@@ -2218,7 +2215,6 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
-				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
@@ -2254,7 +2250,6 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
-				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_WARN_CONSTANT_CONVERSION = YES;