diff --git a/examples/example_apple_metal/example_apple_metal.xcodeproj/project.pbxproj b/examples/example_apple_metal/example_apple_metal.xcodeproj/project.pbxproj
index 5f7c211b6..55a33c4ea 100644
--- a/examples/example_apple_metal/example_apple_metal.xcodeproj/project.pbxproj
+++ b/examples/example_apple_metal/example_apple_metal.xcodeproj/project.pbxproj
@@ -8,10 +8,8 @@
 
 /* Begin PBXBuildFile section */
 		05318E0F274C397200A8DE2E /* GameController.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 05318E0E274C397200A8DE2E /* GameController.framework */; };
-		A1I18N00000000000000001A /* imgui_i18n.cpp in Sources (iOS) */ = {isa = PBXBuildFile; fileRef = A1I18N00000000000000F001 /* imgui_i18n.cpp */; };
-		A1I18N00000000000000001B /* imgui_i18n.cpp in Sources (macOS) */ = {isa = PBXBuildFile; fileRef = A1I18N00000000000000F001 /* imgui_i18n.cpp */; };
-		A1I18N00000000000000002A /* zh_CN.cpp in Sources (iOS) */ = {isa = PBXBuildFile; fileRef = A1I18N00000000000000F002 /* zh_CN.cpp */; };
-		A1I18N00000000000000002B /* zh_CN.cpp in Sources (macOS) */ = {isa = PBXBuildFile; fileRef = A1I18N00000000000000F002 /* zh_CN.cpp */; };
+		A1I18N00000000000000001B /* imgui_i18n.cpp in Sources */ = {isa = PBXBuildFile; fileRef = A1I18N00000000000000F001 /* imgui_i18n.cpp */; };
+		A1I18N00000000000000002B /* zh_CN.cpp in Sources */ = {isa = PBXBuildFile; fileRef = A1I18N00000000000000F002 /* zh_CN.cpp */; };
 		07A82ED82139413D0078D120 /* imgui_widgets.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 07A82ED72139413C0078D120 /* imgui_widgets.cpp */; };
 		07A82ED92139418F0078D120 /* imgui_widgets.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 07A82ED72139413C0078D120 /* imgui_widgets.cpp */; };
 		5079822E257677DB0038A28D /* imgui_tables.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 5079822D257677DB0038A28D /* imgui_tables.cpp */; };
@@ -281,8 +279,6 @@
 				5079822E257677DB0038A28D /* imgui_tables.cpp in Sources */,
 				07A82ED82139413D0078D120 /* imgui_widgets.cpp in Sources */,
 				8309BDA5253CCC070045E2A1 /* main.mm in Sources */,
-				A1I18N00000000000000001A /* imgui_i18n.cpp in Sources (iOS) */,
-				A1I18N00000000000000002A /* zh_CN.cpp in Sources (iOS) */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -421,10 +417,6 @@
 				CODE_SIGN_IDENTITY = "iPhone Developer";
 				CODE_SIGN_STYLE = Automatic;
 				DEVELOPMENT_TEAM = "";
-				GCC_PREPROCESSOR_DEFINITIONS = (
-					"IMGUI_DEMO_ENABLE_I18N=1",
-					"$(inherited)",
-				);
 				INFOPLIST_FILE = "$(SRCROOT)/iOS/Info-iOS.plist";
 				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				LD_RUNPATH_SEARCH_PATHS = (
@@ -445,10 +437,6 @@
 				CODE_SIGN_IDENTITY = "iPhone Developer";
 				CODE_SIGN_STYLE = Automatic;
 				DEVELOPMENT_TEAM = "";
-				GCC_PREPROCESSOR_DEFINITIONS = (
-					"IMGUI_DEMO_ENABLE_I18N=1",
-					"$(inherited)",
-				);
 				INFOPLIST_FILE = "$(SRCROOT)/iOS/Info-iOS.plist";
 				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				LD_RUNPATH_SEARCH_PATHS = (
diff --git a/examples/example_apple_metal/main.mm b/examples/example_apple_metal/main.mm
index 01038716b..02bcecf54 100644
--- a/examples/example_apple_metal/main.mm
+++ b/examples/example_apple_metal/main.mm
@@ -18,8 +18,12 @@
 #import <MetalKit/MetalKit.h>
 
 #include "imgui.h"
+// i18n support: include unconditionally — when IMGUI_DEMO_ENABLE_I18N is not defined
+// the header provides a no-op Tr(s) stub with zero overhead.
 #include "imgui_i18n.h"
+#ifdef IMGUI_DEMO_ENABLE_I18N
 #include <unistd.h>
+#endif
 #include "imgui_impl_metal.h"
 #if TARGET_OS_OSX
 #include "imgui_impl_osx.h"
@@ -40,6 +44,7 @@
 // AppViewController
 //-----------------------------------------------------------------------------------
 
+#ifdef IMGUI_DEMO_ENABLE_I18N
 bool g_need_font_rebuild = false;
 
 static void RebuildFonts()
@@ -76,6 +81,7 @@ static void RebuildFonts()
     }
     io.Fonts->Build();
 }
+#endif // IMGUI_DEMO_ENABLE_I18N
 
 @implementation AppViewController
 
@@ -150,8 +156,10 @@ static void RebuildFonts()
     [NSApp activateIgnoringOtherApps:YES];
 #endif
 
+#ifdef IMGUI_DEMO_ENABLE_I18N
     // Build initial font atlas with CJK glyphs so the Language menu renders correctly from the start.
     RebuildFonts();
+#endif
 }
 
 -(void)drawInMTKView:(MTKView*)view
@@ -176,11 +184,13 @@ static void RebuildFonts()
         return;
     }
 
-    // 语言切换后重建字体 Atlas（必须在 NewFrame 之前，避免当帧纹理 use-after-free）
+#ifdef IMGUI_DEMO_ENABLE_I18N
+    // Rebuild font atlas after language switch (must be before NewFrame to avoid use-after-free).
     if (g_need_font_rebuild) {
         g_need_font_rebuild = false;
         RebuildFonts();
     }
+#endif
 
     // Start the Dear ImGui frame
     ImGui_ImplMetal_NewFrame(renderPassDescriptor);