diff --git a/internal/graphicscommand/image.go b/internal/graphicscommand/image.go
index e5a699981..164e57e05 100644
--- a/internal/graphicscommand/image.go
+++ b/internal/graphicscommand/image.go
@@ -27,17 +27,6 @@ var (
 	maxImageSize = 0
 )
 
-// MaxImageSize returns the maximum of width/height of an image.
-func MaxImageSize() int {
-	if maxImageSize == 0 {
-		maxImageSize = driver().MaxImageSize()
-		if maxImageSize == 0 {
-			panic("graphics: failed to get the max texture size")
-		}
-	}
-	return maxImageSize
-}
-
 // imageState is a state of an image.
 type imageState int
 
diff --git a/internal/graphicsdriver/graphicsdriver.go b/internal/graphicsdriver/graphicsdriver.go
index 08de6619e..69b8b53c9 100644
--- a/internal/graphicsdriver/graphicsdriver.go
+++ b/internal/graphicsdriver/graphicsdriver.go
@@ -22,7 +22,6 @@ import (
 type GraphicsDriver interface {
 	SetVertices(vertices []float32, indices []uint16)
 	Flush()
-	MaxImageSize() int
 	NewImage(width, height int) (Image, error)
 	NewScreenFramebufferImage(width, height int) (Image, error)
 	Reset() error
diff --git a/internal/graphicsdriver/opengl/driver.go b/internal/graphicsdriver/opengl/driver.go
index 93e5a6b0e..ad15db24d 100644
--- a/internal/graphicsdriver/opengl/driver.go
+++ b/internal/graphicsdriver/opengl/driver.go
@@ -105,7 +105,3 @@ func (d *Driver) Draw(indexLen int, indexOffset int, mode graphics.CompositeMode
 func (d *Driver) Flush() {
 	d.context.flush()
 }
-
-func (d *Driver) MaxImageSize() int {
-	return d.context.getMaxTextureSize()
-}