diff --git a/.gitignore b/.gitignore
index e69de29..834a486 100644
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1,24 @@
+# macOS
+.DS_Store
+
+# Xcode user data
+*.xcuserstate
+*.pbxuser
+*.mode1v3
+*.mode2v3
+
+# Project user-specific data
+wake.xcodeproj/xcuserdata/
+wake.xcodeproj/project.xcworkspace/xcuserdata/
+
+# Keep shared data (trackable)
+# wake.xcodeproj/xcshareddata/
+
+# SwiftPM / Build artifacts
+.build/
+.swiftpm/xcode/xcuserdata/
+.swiftpm/xcode/package.xcworkspace/xcuserdata/
+
+# Derived data and build output
+DerivedData/
+build/
diff --git a/wake.xcodeproj/xcuserdata/elliwood.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist b/wake.xcodeproj/xcuserdata/elliwood.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist
deleted file mode 100644
index 7b5cc31..0000000
--- a/wake.xcodeproj/xcuserdata/elliwood.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist
+++ /dev/null
@@ -1,24 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<Bucket
-   uuid = "A774AEAB-F2DE-4CA6-8FAA-A05AB418F685"
-   type = "1"
-   version = "2.0">
-   <Breakpoints>
-      <BreakpointProxy
-         BreakpointExtensionID = "Xcode.Breakpoint.FileBreakpoint">
-         <BreakpointContent
-            uuid = "4D390946-09D4-48AB-A8F5-7003641827C5"
-            shouldBeEnabled = "No"
-            ignoreCount = "0"
-            continueAfterRunningActions = "No"
-            filePath = "wake/ContentView.swift"
-            startingColumnNumber = "9223372036854775807"
-            endingColumnNumber = "9223372036854775807"
-            startingLineNumber = "30"
-            endingLineNumber = "30"
-            landmarkName = "body"
-            landmarkType = "24">
-         </BreakpointContent>
-      </BreakpointProxy>
-   </Breakpoints>
-</Bucket>
diff --git a/wake.xcodeproj/xcuserdata/elliwood.xcuserdatad/xcschemes/xcschememanagement.plist b/wake.xcodeproj/xcuserdata/elliwood.xcuserdatad/xcschemes/xcschememanagement.plist
deleted file mode 100644
index a4c98a3..0000000
--- a/wake.xcodeproj/xcuserdata/elliwood.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>wake.xcscheme_^#shared#^_</key>
-		<dict>
-			<key>orderHint</key>
-			<integer>0</integer>
-		</dict>
-	</dict>
-</dict>
-</plist>