diff --git a/.gitignore b/.gitignore
index 93ad981..7e67ed3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -42,6 +42,12 @@ Thumbs.db
 # Folder config file
 Desktop.ini
 
+######################
+# Xcode
+######################
+xcuserdata/
+*.xcuserstate
+
 ######################
 # Mac OSX
 ######################
diff --git a/ios-holder-tutorial-sample-app/iOS Holder Tutorial.xcodeproj/project.pbxproj b/ios-holder-tutorial-sample-app/iOS Holder Tutorial.xcodeproj/project.pbxproj
index 70c5f7c..cf0bd0d 100644
--- a/ios-holder-tutorial-sample-app/iOS Holder Tutorial.xcodeproj/project.pbxproj	
+++ b/ios-holder-tutorial-sample-app/iOS Holder Tutorial.xcodeproj/project.pbxproj	
@@ -169,7 +169,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				COPY_PHASE_STRIP = NO;
 				DEBUG_INFORMATION_FORMAT = dwarf;
-				DEVELOPMENT_TEAM = 33LBXLB573;
+				DEVELOPMENT_TEAM = "";
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				ENABLE_TESTABILITY = YES;
 				ENABLE_USER_SCRIPT_SANDBOXING = YES;
@@ -233,7 +233,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				COPY_PHASE_STRIP = NO;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
-				DEVELOPMENT_TEAM = 33LBXLB573;
+				DEVELOPMENT_TEAM = "";
 				ENABLE_NS_ASSERTIONS = NO;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				ENABLE_USER_SCRIPT_SANDBOXING = YES;
diff --git a/ios-holder-tutorial-sample-app/iOS Holder Tutorial.xcodeproj/project.xcworkspace/xcuserdata/avner.matan.xcuserdatad/UserInterfaceState.xcuserstate b/ios-holder-tutorial-sample-app/iOS Holder Tutorial.xcodeproj/project.xcworkspace/xcuserdata/avner.matan.xcuserdatad/UserInterfaceState.xcuserstate
deleted file mode 100644
index 458f679..0000000
Binary files a/ios-holder-tutorial-sample-app/iOS Holder Tutorial.xcodeproj/project.xcworkspace/xcuserdata/avner.matan.xcuserdatad/UserInterfaceState.xcuserstate and /dev/null differ
diff --git a/ios-holder-tutorial-sample-app/iOS Holder Tutorial.xcodeproj/xcuserdata/avner.matan.xcuserdatad/xcschemes/xcschememanagement.plist b/ios-holder-tutorial-sample-app/iOS Holder Tutorial.xcodeproj/xcuserdata/avner.matan.xcuserdatad/xcschemes/xcschememanagement.plist
deleted file mode 100644
index 1c14ed3..0000000
--- a/ios-holder-tutorial-sample-app/iOS Holder Tutorial.xcodeproj/xcuserdata/avner.matan.xcuserdatad/xcschemes/xcschememanagement.plist	
+++ /dev/null
@@ -1,14 +0,0 @@
-<?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>SchemeUserState</key>
-	<dict>
-		<key>iOs Holder Tutorial.xcscheme_^#shared#^_</key>
-		<dict>
-			<key>orderHint</key>
-			<integer>0</integer>
-		</dict>
-	</dict>
-</dict>
-</plist>
diff --git a/ios-in-person-verifier-tutorial-sample-app/In person verification tutorial.xcodeproj/project.pbxproj b/ios-in-person-verifier-tutorial-sample-app/In person verification tutorial.xcodeproj/project.pbxproj
index 454e7a2..4180865 100644
--- a/ios-in-person-verifier-tutorial-sample-app/In person verification tutorial.xcodeproj/project.pbxproj	
+++ b/ios-in-person-verifier-tutorial-sample-app/In person verification tutorial.xcodeproj/project.pbxproj	
@@ -169,7 +169,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				COPY_PHASE_STRIP = NO;
 				DEBUG_INFORMATION_FORMAT = dwarf;
-				DEVELOPMENT_TEAM = 33LBXLB573;
+				DEVELOPMENT_TEAM = "";
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				ENABLE_TESTABILITY = YES;
 				ENABLE_USER_SCRIPT_SANDBOXING = YES;
@@ -233,7 +233,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				COPY_PHASE_STRIP = NO;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
-				DEVELOPMENT_TEAM = 33LBXLB573;
+				DEVELOPMENT_TEAM = "";
 				ENABLE_NS_ASSERTIONS = NO;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				ENABLE_USER_SCRIPT_SANDBOXING = YES;
diff --git a/ios-in-person-verifier-tutorial-sample-app/In person verification tutorial.xcodeproj/project.xcworkspace/xcuserdata/nikita.shvadlenko.xcuserdatad/UserInterfaceState.xcuserstate b/ios-in-person-verifier-tutorial-sample-app/In person verification tutorial.xcodeproj/project.xcworkspace/xcuserdata/nikita.shvadlenko.xcuserdatad/UserInterfaceState.xcuserstate
deleted file mode 100644
index 89b9314..0000000
Binary files a/ios-in-person-verifier-tutorial-sample-app/In person verification tutorial.xcodeproj/project.xcworkspace/xcuserdata/nikita.shvadlenko.xcuserdatad/UserInterfaceState.xcuserstate and /dev/null differ
diff --git a/ios-in-person-verifier-tutorial-sample-app/In person verification tutorial.xcodeproj/xcuserdata/nikita.shvadlenko.xcuserdatad/xcschemes/xcschememanagement.plist b/ios-in-person-verifier-tutorial-sample-app/In person verification tutorial.xcodeproj/xcuserdata/nikita.shvadlenko.xcuserdatad/xcschemes/xcschememanagement.plist
deleted file mode 100644
index 4cf33b4..0000000
--- a/ios-in-person-verifier-tutorial-sample-app/In person verification tutorial.xcodeproj/xcuserdata/nikita.shvadlenko.xcuserdatad/xcschemes/xcschememanagement.plist	
+++ /dev/null
@@ -1,14 +0,0 @@
-<?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>SchemeUserState</key>
-	<dict>
-		<key>In person verification tutorial.xcscheme_^#shared#^_</key>
-		<dict>
-			<key>orderHint</key>
-			<integer>0</integer>
-		</dict>
-	</dict>
-</dict>
-</plist>