diff --git a/SecrecySwift.xcodeproj/project.pbxproj b/SecrecySwift.xcodeproj/project.pbxproj
index edca787..93bc6f0 100644
--- a/SecrecySwift.xcodeproj/project.pbxproj
+++ b/SecrecySwift.xcodeproj/project.pbxproj
@@ -68,7 +68,6 @@
 		6861E01F1C21313F00F410C9 /* HMAC.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = HMAC.swift; sourceTree = "<group>"; };
 		6861E0251C2131B600F410C9 /* SystemConfiguration.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = SystemConfiguration.framework; path = System/Library/Frameworks/SystemConfiguration.framework; sourceTree = SDKROOT; };
 		6861E0271C2131BF00F410C9 /* Security.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Security.framework; path = System/Library/Frameworks/Security.framework; sourceTree = SDKROOT; };
-		6861E02B1C2132CB00F410C9 /* module.map */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = "sourcecode.module-map"; path = module.map; sourceTree = "<group>"; };
 		6861E0311C2135EA00F410C9 /* cert.der */ = {isa = PBXFileReference; lastKnownFileType = file; path = cert.der; sourceTree = "<group>"; };
 		6861E0321C2135EA00F410C9 /* cert.p12 */ = {isa = PBXFileReference; lastKnownFileType = file; path = cert.p12; sourceTree = "<group>"; };
 /* End PBXFileReference section */
@@ -97,7 +96,6 @@
 		6861DFF01C21308800F410C9 = {
 			isa = PBXGroup;
 			children = (
-				6861E02A1C2132CB00F410C9 /* CommonCrypto */,
 				6861E0291C2131C900F410C9 /* Frameworks */,
 				6861DFFC1C21308800F410C9 /* SecrecySwift */,
 				6861E00A1C2130AB00F410C9 /* SecrecySwiftDemo */,
@@ -152,14 +150,6 @@
 			name = Frameworks;
 			sourceTree = "<group>";
 		};
-		6861E02A1C2132CB00F410C9 /* CommonCrypto */ = {
-			isa = PBXGroup;
-			children = (
-				6861E02B1C2132CB00F410C9 /* module.map */,
-			);
-			path = CommonCrypto;
-			sourceTree = "<group>";
-		};
 /* End PBXGroup section */
 
 /* Begin PBXHeadersBuildPhase section */
@@ -441,9 +431,9 @@
 				PRODUCT_MODULE_NAME = Secrecy;
 				PRODUCT_NAME = Secrecy;
 				SKIP_INSTALL = YES;
-				SWIFT_INCLUDE_PATHS = CommonCrypto;
+				SWIFT_INCLUDE_PATHS = "";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Debug;
 		};
@@ -468,8 +458,8 @@
 				PRODUCT_MODULE_NAME = Secrecy;
 				PRODUCT_NAME = Secrecy;
 				SKIP_INSTALL = YES;
-				SWIFT_INCLUDE_PATHS = CommonCrypto;
-				SWIFT_VERSION = 3.0;
+				SWIFT_INCLUDE_PATHS = "";
+				SWIFT_VERSION = 4.2;
 			};
 			name = Release;
 		};
diff --git a/SecrecySwift.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/SecrecySwift.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
new file mode 100644
index 0000000..18d9810
--- /dev/null
+++ b/SecrecySwift.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>