diff --git a/gfx/gl.c b/gfx/gl.c
index e7bb756a37..b15333f8c3 100644
--- a/gfx/gl.c
+++ b/gfx/gl.c
@@ -630,7 +630,7 @@ void gl_deinit_fbo(gl_t *gl)
 
 /* Set up render to texture. */
 
-void gl_init_fbo(gl_t *gl, unsigned width, unsigned height)
+static void gl_init_fbo(gl_t *gl, unsigned width, unsigned height)
 {
    int i;
 
diff --git a/gfx/gl_common.h b/gfx/gl_common.h
index 89ea0596bb..9f71c68985 100644
--- a/gfx/gl_common.h
+++ b/gfx/gl_common.h
@@ -385,8 +385,6 @@ void gl_set_viewport(gl_t *gl, unsigned width, unsigned height,
 void gl_shader_set_coords(gl_t *gl,
       const struct gl_coords *coords, const math_matrix *mat);
 
-void gl_init_fbo(gl_t *gl, unsigned width, unsigned height);
-
 void gl_deinit_fbo(gl_t *gl);
 
 #endif