diff --git a/Sources/gitdiff/Core/PlatformColors.swift b/Sources/gitdiff/Core/PlatformColors.swift
deleted file mode 100644
index 94e05ef..0000000
--- a/Sources/gitdiff/Core/PlatformColors.swift
+++ /dev/null
@@ -1,31 +0,0 @@
-import SwiftUI
-
-#if os(iOS) || os(tvOS) || os(watchOS)
-  import UIKit
-#endif
-#if os(macOS)
-  import AppKit
-#endif
-
-/// Cross-platform system background color wrapper
-enum PlatformColors {
-  static var background: Color {
-    #if os(iOS) || os(tvOS) || os(watchOS)
-      return Color(UIColor.systemBackground)
-    #elseif os(macOS)
-      if #available(macOS 10.15, *) {
-        // There is no NSColor.systemBackground; windowBackgroundColor is closest for content areas
-        return Color(NSColor.windowBackgroundColor)
-      } else {
-        return Color.white
-      }
-    #else
-      return Color.white
-    #endif
-  }
-}
-
-extension Color {
-  /// A cross-platform background color similar to system background.
-  public static var appBackground: Color { PlatformColors.background }
-}
diff --git a/Sources/gitdiff/Views/DiffFileView.swift b/Sources/gitdiff/Views/DiffFileView.swift
index 3032f7a..bf393bf 100644
--- a/Sources/gitdiff/Views/DiffFileView.swift
+++ b/Sources/gitdiff/Views/DiffFileView.swift
@@ -110,5 +110,4 @@ struct DiffFileView: View {
 
   DiffFileView(file: sampleFile)
     .padding()
-    .background(Color.appBackground)
 }
diff --git a/Sources/gitdiff/Views/DiffLineView.swift b/Sources/gitdiff/Views/DiffLineView.swift
index 923f8cf..2fc5b3b 100644
--- a/Sources/gitdiff/Views/DiffLineView.swift
+++ b/Sources/gitdiff/Views/DiffLineView.swift
@@ -142,5 +142,4 @@ struct DiffLineView: View {
       )
     )
   }
-  .background(Color.appBackground)
 }
diff --git a/Sources/gitdiff/Views/DiffRenderer.swift b/Sources/gitdiff/Views/DiffRenderer.swift
index 1b12ac6..f23be03 100644
--- a/Sources/gitdiff/Views/DiffRenderer.swift
+++ b/Sources/gitdiff/Views/DiffRenderer.swift
@@ -40,7 +40,6 @@ public struct DiffRenderer: View {
             .font(.caption)
             .foregroundColor(.secondary)
         }
-        .padding()
         .frame(maxWidth: .infinity, maxHeight: .infinity)
       } else if let files = parsedFiles, files.isEmpty {
         VStack(spacing: 20) {
@@ -58,7 +57,6 @@ public struct DiffRenderer: View {
             .multilineTextAlignment(.center)
             .padding(.horizontal)
         }
-        .padding()
         .frame(maxWidth: .infinity, maxHeight: .infinity)
       } else if let files = parsedFiles {
         VStack(spacing: 16) {
@@ -66,10 +64,8 @@ public struct DiffRenderer: View {
             DiffFileView(file: file)
           }
         }
-        .padding()
       }
     }
-    .background(Color.appBackground)
     .task(id: diffText) {
       self.parsedFiles = try? await DiffParser.parse(diffText)
     }