diff --git a/compositemode.go b/compositemode.go
new file mode 100644
index 000000000..5cb87aa18
--- /dev/null
+++ b/compositemode.go
@@ -0,0 +1,113 @@
+// Copyright 2023 The Ebitengine Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package ebiten
+
+import (
+	"fmt"
+)
+
+// CompositeMode represents Porter-Duff composition mode.
+//
+// Deprecated: as of v2.5. Use Blend instead.
+type CompositeMode int
+
+const (
+	// CompositeModeCustom indicates to refer Blend.
+	CompositeModeCustom CompositeMode = iota
+
+	// Deprecated: as of v2.5. Use BlendSourceOver instead.
+	CompositeModeSourceOver
+
+	// Deprecated: as of v2.5. Use BlendClear instead.
+	CompositeModeClear
+
+	// Deprecated: as of v2.5. Use BlendCopy instead.
+	CompositeModeCopy
+
+	// Deprecated: as of v2.5. Use BlendDestination instead.
+	CompositeModeDestination
+
+	// Deprecated: as of v2.5. Use BlendDestinationOver instead.
+	CompositeModeDestinationOver
+
+	// Deprecated: as of v2.5. Use BlendSourceIn instead.
+	CompositeModeSourceIn
+
+	// Deprecated: as of v2.5. Use BlendDestinationIn instead.
+	CompositeModeDestinationIn
+
+	// Deprecated: as of v2.5. Use BlendSourceOut instead.
+	CompositeModeSourceOut
+
+	// Deprecated: as of v2.5. Use BlendDestinationOut instead.
+	CompositeModeDestinationOut
+
+	// Deprecated: as of v2.5. Use BlendSourceAtop instead.
+	CompositeModeSourceAtop
+
+	// Deprecated: as of v2.5. Use BlendDestinationAtop instead.
+	CompositeModeDestinationAtop
+
+	// Deprecated: as of v2.5. Use BlendXor instead.
+	CompositeModeXor
+
+	// Deprecated: as of v2.5. Use BlendLighter instead.
+	CompositeModeLighter
+
+	// Deprecated: as of v2.5. Use Blend with BlendFactorDestinationColor and BlendFactorZero instead.
+	CompositeModeMultiply
+)
+
+func (c CompositeMode) blend() Blend {
+	switch c {
+	case CompositeModeSourceOver:
+		return BlendSourceOver
+	case CompositeModeClear:
+		return BlendClear
+	case CompositeModeCopy:
+		return BlendCopy
+	case CompositeModeDestination:
+		return BlendDestination
+	case CompositeModeDestinationOver:
+		return BlendDestinationOver
+	case CompositeModeSourceIn:
+		return BlendSourceIn
+	case CompositeModeDestinationIn:
+		return BlendDestinationIn
+	case CompositeModeSourceOut:
+		return BlendSourceOut
+	case CompositeModeDestinationOut:
+		return BlendDestinationOut
+	case CompositeModeSourceAtop:
+		return BlendSourceAtop
+	case CompositeModeDestinationAtop:
+		return BlendDestinationAtop
+	case CompositeModeXor:
+		return BlendXor
+	case CompositeModeLighter:
+		return BlendLighter
+	case CompositeModeMultiply:
+		return Blend{
+			BlendFactorSourceRGB:        BlendFactorDestinationColor,
+			BlendFactorSourceAlpha:      BlendFactorDestinationColor,
+			BlendFactorDestinationRGB:   BlendFactorZero,
+			BlendFactorDestinationAlpha: BlendFactorZero,
+			BlendOperationRGB:           BlendOperationAdd,
+			BlendOperationAlpha:         BlendOperationAdd,
+		}
+	default:
+		panic(fmt.Sprintf("ebiten: invalid composite mode: %d", c))
+	}
+}
diff --git a/graphics.go b/graphics.go
index b753217d3..721894f68 100644
--- a/graphics.go
+++ b/graphics.go
@@ -15,8 +15,6 @@
 package ebiten
 
 import (
-	"fmt"
-
 	"github.com/hajimehoshi/ebiten/v2/internal/builtinshader"
 	"github.com/hajimehoshi/ebiten/v2/internal/ui"
 )
@@ -32,100 +30,6 @@ const (
 	FilterLinear Filter = Filter(builtinshader.FilterLinear)
 )
 
-// CompositeMode represents Porter-Duff composition mode.
-//
-// Deprecated: as of v2.5. Use Blend instead.
-type CompositeMode int
-
-const (
-	// CompositeModeCustom indicates to refer Blend.
-	CompositeModeCustom CompositeMode = iota
-
-	// Deprecated: as of v2.5. Use BlendSourceOver instead.
-	CompositeModeSourceOver
-
-	// Deprecated: as of v2.5. Use BlendClear instead.
-	CompositeModeClear
-
-	// Deprecated: as of v2.5. Use BlendCopy instead.
-	CompositeModeCopy
-
-	// Deprecated: as of v2.5. Use BlendDestination instead.
-	CompositeModeDestination
-
-	// Deprecated: as of v2.5. Use BlendDestinationOver instead.
-	CompositeModeDestinationOver
-
-	// Deprecated: as of v2.5. Use BlendSourceIn instead.
-	CompositeModeSourceIn
-
-	// Deprecated: as of v2.5. Use BlendDestinationIn instead.
-	CompositeModeDestinationIn
-
-	// Deprecated: as of v2.5. Use BlendSourceOut instead.
-	CompositeModeSourceOut
-
-	// Deprecated: as of v2.5. Use BlendDestinationOut instead.
-	CompositeModeDestinationOut
-
-	// Deprecated: as of v2.5. Use BlendSourceAtop instead.
-	CompositeModeSourceAtop
-
-	// Deprecated: as of v2.5. Use BlendDestinationAtop instead.
-	CompositeModeDestinationAtop
-
-	// Deprecated: as of v2.5. Use BlendXor instead.
-	CompositeModeXor
-
-	// Deprecated: as of v2.5. Use BlendLighter instead.
-	CompositeModeLighter
-
-	// Deprecated: as of v2.5. Use Blend with BlendFactorDestinationColor and BlendFactorZero instead.
-	CompositeModeMultiply
-)
-
-func (c CompositeMode) blend() Blend {
-	switch c {
-	case CompositeModeSourceOver:
-		return BlendSourceOver
-	case CompositeModeClear:
-		return BlendClear
-	case CompositeModeCopy:
-		return BlendCopy
-	case CompositeModeDestination:
-		return BlendDestination
-	case CompositeModeDestinationOver:
-		return BlendDestinationOver
-	case CompositeModeSourceIn:
-		return BlendSourceIn
-	case CompositeModeDestinationIn:
-		return BlendDestinationIn
-	case CompositeModeSourceOut:
-		return BlendSourceOut
-	case CompositeModeDestinationOut:
-		return BlendDestinationOut
-	case CompositeModeSourceAtop:
-		return BlendSourceAtop
-	case CompositeModeDestinationAtop:
-		return BlendDestinationAtop
-	case CompositeModeXor:
-		return BlendXor
-	case CompositeModeLighter:
-		return BlendLighter
-	case CompositeModeMultiply:
-		return Blend{
-			BlendFactorSourceRGB:        BlendFactorDestinationColor,
-			BlendFactorSourceAlpha:      BlendFactorDestinationColor,
-			BlendFactorDestinationRGB:   BlendFactorZero,
-			BlendFactorDestinationAlpha: BlendFactorZero,
-			BlendOperationRGB:           BlendOperationAdd,
-			BlendOperationAlpha:         BlendOperationAdd,
-		}
-	default:
-		panic(fmt.Sprintf("ebiten: invalid composite mode: %d", c))
-	}
-}
-
 // GraphicsLibrary represents graphics libraries supported by the engine.
 type GraphicsLibrary int