diff --git a/JSDiff.xcodeproj/project.pbxproj b/JSDiff.xcodeproj/project.pbxproj
index 4b9c527..c26eedb 100644
--- a/JSDiff.xcodeproj/project.pbxproj
+++ b/JSDiff.xcodeproj/project.pbxproj
@@ -248,7 +248,7 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0730;
-				LastUpgradeCheck = 0730;
+				LastUpgradeCheck = 0800;
 				ORGANIZATIONNAME = "nerdish by nature";
 				TargetAttributes = {
 					2380771E1CB94D9600415155 = {
@@ -409,6 +409,7 @@
 		238077311CB94D9700415155 /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				"CODE_SIGN_IDENTITY[sdk=appletvos*]" = "";
 				DEFINES_MODULE = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;
 				DYLIB_CURRENT_VERSION = 1;
@@ -417,7 +418,6 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				SDKROOT = appletvos;
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 2.3;
 				TARGETED_DEVICE_FAMILY = 3;
 				TVOS_DEPLOYMENT_TARGET = 9.0;
 			};
@@ -426,6 +426,7 @@
 		238077321CB94D9700415155 /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				"CODE_SIGN_IDENTITY[sdk=appletvos*]" = "";
 				DEFINES_MODULE = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;
 				DYLIB_CURRENT_VERSION = 1;
@@ -434,7 +435,6 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				SDKROOT = appletvos;
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 2.3;
 				TARGETED_DEVICE_FAMILY = 3;
 				TVOS_DEPLOYMENT_TARGET = 9.0;
 			};
@@ -480,8 +480,10 @@
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
@@ -512,6 +514,7 @@
 				PRODUCT_NAME = JSDiff;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 2.3;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
@@ -532,8 +535,10 @@
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
@@ -556,6 +561,8 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.nerdishbynature.JSDiff;
 				PRODUCT_NAME = JSDiff;
 				SDKROOT = iphoneos;
+				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
+				SWIFT_VERSION = 2.3;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VALIDATE_PRODUCT = YES;
 				VERSIONING_SYSTEM = "apple-generic";
@@ -567,6 +574,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				CLANG_ENABLE_MODULES = YES;
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "";
 				DEFINES_MODULE = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;
 				DYLIB_CURRENT_VERSION = 1;
@@ -582,6 +590,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				CLANG_ENABLE_MODULES = YES;
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "";
 				DEFINES_MODULE = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;
 				DYLIB_CURRENT_VERSION = 1;
diff --git a/JSDiff.xcodeproj/xcshareddata/xcschemes/JSDiff-tvOS.xcscheme b/JSDiff.xcodeproj/xcshareddata/xcschemes/JSDiff-tvOS.xcscheme
index bea4f81..0d8f128 100644
--- a/JSDiff.xcodeproj/xcshareddata/xcschemes/JSDiff-tvOS.xcscheme
+++ b/JSDiff.xcodeproj/xcshareddata/xcschemes/JSDiff-tvOS.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0730"
+   LastUpgradeVersion = "0800"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/JSDiff.xcodeproj/xcshareddata/xcschemes/JSDiff.xcscheme b/JSDiff.xcodeproj/xcshareddata/xcschemes/JSDiff.xcscheme
index c357797..f6b9697 100644
--- a/JSDiff.xcodeproj/xcshareddata/xcschemes/JSDiff.xcscheme
+++ b/JSDiff.xcodeproj/xcshareddata/xcschemes/JSDiff.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0730"
+   LastUpgradeVersion = "0800"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"