diff --git a/mobile/ebitenmobileview/funcs.go b/mobile/ebitenmobileview/funcs.go
index a4adcf7dc..27851f88a 100644
--- a/mobile/ebitenmobileview/funcs.go
+++ b/mobile/ebitenmobileview/funcs.go
@@ -81,7 +81,3 @@ func UpdateTouchesOnAndroid(action int, id int, x, y int) {
 func UpdateTouchesOnIOS(phase int, ptr int64, x, y int) {
 	updateTouchesOnIOSImpl(phase, ptr, x, y)
 }
-
-func SetUIView(uiview int64) {
-	setUIView(uintptr(uiview))
-}
diff --git a/mobile/ebitenmobileview/impl_metal.go b/mobile/ebitenmobileview/impl_metal.go
index 8a696af87..93768c37f 100644
--- a/mobile/ebitenmobileview/impl_metal.go
+++ b/mobile/ebitenmobileview/impl_metal.go
@@ -20,6 +20,6 @@ import (
 	"github.com/hajimehoshi/ebiten/internal/graphicsdriver/metal"
 )
 
-func setUIView(uiview uintptr) {
-	metal.Get().SetUIView(uiview)
+func SetUIView(uiview int64) {
+	metal.Get().SetUIView(uintptr(uiview))
 }
diff --git a/mobile/ebitenmobileview/impl_notmetal.go b/mobile/ebitenmobileview/impl_notmetal.go
index d5b52c033..2d500a29f 100644
--- a/mobile/ebitenmobileview/impl_notmetal.go
+++ b/mobile/ebitenmobileview/impl_notmetal.go
@@ -12,11 +12,16 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// +build darwin,ios,!arm
-// +build darwin,ios,!arm64
+// +build darwin,ios
+// +build !arm
+// +build !arm64
 
 package ebitenmobileview
 
-func setUIView(uiview uintptr) {
-	panic("ebitenmobileview: setUIView is not available on this platform")
+import (
+	"runtime"
+)
+
+func SetUIView(uiview int64) {
+	panic("ebitenmobileview: SetUIView is not available on GOARCH=" + runtime.GOARCH)
 }