diff --git a/internal/opengl/context_desktop.go b/internal/opengl/context_desktop.go
index b264b0ef4..e3138c630 100644
--- a/internal/opengl/context_desktop.go
+++ b/internal/opengl/context_desktop.go
@@ -169,7 +169,7 @@ func (c *Context) bindFramebufferImpl(f framebufferNative) {
 	})
 }
 
-func (c *Context) FramebufferPixels(f *Framebuffer, width, height int) ([]byte, error) {
+func (c *Context) framebufferPixels(f *Framebuffer, width, height int) ([]byte, error) {
 	var pixels []byte
 	_ = c.runOnContextThread(func() error {
 		gl.Flush()
diff --git a/internal/opengl/context_js.go b/internal/opengl/context_js.go
index 9b98d77fb..d2e813278 100644
--- a/internal/opengl/context_js.go
+++ b/internal/opengl/context_js.go
@@ -204,7 +204,7 @@ func (c *Context) bindFramebufferImpl(f framebufferNative) {
 	gl.Call("bindFramebuffer", framebuffer, js.Value(f))
 }
 
-func (c *Context) FramebufferPixels(f *Framebuffer, width, height int) ([]byte, error) {
+func (c *Context) framebufferPixels(f *Framebuffer, width, height int) ([]byte, error) {
 	gl := c.gl
 
 	c.bindFramebuffer(f.native)
diff --git a/internal/opengl/context_mobile.go b/internal/opengl/context_mobile.go
index 52cdaffcb..2141ebfc3 100644
--- a/internal/opengl/context_mobile.go
+++ b/internal/opengl/context_mobile.go
@@ -156,7 +156,7 @@ func (c *Context) bindFramebufferImpl(f framebufferNative) {
 	gl.BindFramebuffer(mgl.FRAMEBUFFER, mgl.Framebuffer(f))
 }
 
-func (c *Context) FramebufferPixels(f *Framebuffer, width, height int) ([]byte, error) {
+func (c *Context) framebufferPixels(f *Framebuffer, width, height int) ([]byte, error) {
 	gl := c.gl
 	gl.Flush()
 
diff --git a/internal/opengl/framebuffer.go b/internal/opengl/framebuffer.go
index 66abf2996..26d1ba72d 100644
--- a/internal/opengl/framebuffer.go
+++ b/internal/opengl/framebuffer.go
@@ -24,8 +24,8 @@ type Framebuffer struct {
 	height    int
 }
 
-// NewFramebufferFromTexture creates a framebuffer from the given texture.
-func NewFramebufferFromTexture(texture Texture, width, height int) (*Framebuffer, error) {
+// newFramebufferFromTexture creates a framebuffer from the given texture.
+func newFramebufferFromTexture(texture Texture, width, height int) (*Framebuffer, error) {
 	native, err := theContext.newFramebuffer(texture)
 	if err != nil {
 		return nil, err
diff --git a/internal/opengl/image.go b/internal/opengl/image.go
index a68b0fc99..e86c3b9d3 100644
--- a/internal/opengl/image.go
+++ b/internal/opengl/image.go
@@ -62,7 +62,7 @@ func (i *Image) Pixels() ([]byte, error) {
 		return nil, err
 	}
 	w, h := i.Size()
-	p, err := theContext.FramebufferPixels(i.Framebuffer, w, h)
+	p, err := theContext.framebufferPixels(i.Framebuffer, w, h)
 	if err != nil {
 		return nil, err
 	}
@@ -81,7 +81,7 @@ func (i *Image) ensureFramebuffer() error {
 		return nil
 	}
 	w, h := i.Size()
-	f, err := NewFramebufferFromTexture(i.Texture, math.NextPowerOf2Int(w), math.NextPowerOf2Int(h))
+	f, err := newFramebufferFromTexture(i.Texture, math.NextPowerOf2Int(w), math.NextPowerOf2Int(h))
 	if err != nil {
 		return err
 	}