diff --git a/internal/ui/graphics.go b/internal/ui/graphics.go
index 9a23c1a20..1f24ea83e 100644
--- a/internal/ui/graphics.go
+++ b/internal/ui/graphics.go
@@ -67,27 +67,18 @@ func newGraphicsDriver(creator graphicsDriverCreator, graphicsLibrary GraphicsLi
 		if err != nil {
 			return nil, 0, err
 		}
-		if g == nil {
-			return nil, 0, fmt.Errorf("ui: %s is specified but OpenGL is not available", graphicsLibrary)
-		}
 		return g, GraphicsLibraryOpenGL, nil
 	case GraphicsLibraryDirectX:
 		g, err := creator.newDirectX()
 		if err != nil {
 			return nil, 0, err
 		}
-		if g == nil {
-			return nil, 0, fmt.Errorf("ui: %s is specified but DirectX is not available.", graphicsLibrary)
-		}
 		return g, GraphicsLibraryDirectX, nil
 	case GraphicsLibraryMetal:
 		g, err := creator.newMetal()
 		if err != nil {
 			return nil, 0, err
 		}
-		if g == nil {
-			return nil, 0, fmt.Errorf("ui: %s is specified but Metal is not available", graphicsLibrary)
-		}
 		return g, GraphicsLibraryMetal, nil
 	default:
 		return nil, 0, fmt.Errorf("ui: an unsupported graphics library is specified: %d", graphicsLibrary)