diff --git a/src/backend/gl/gl_common.c b/src/backend/gl/gl_common.c
index 22c74ba5..badbd9bb 100644
--- a/src/backend/gl/gl_common.c
+++ b/src/backend/gl/gl_common.c
@@ -989,10 +989,25 @@ void gl_deinit(struct gl_data *gd) {
 		gl_destroy_window_shader(&gd->base, gd->default_shader);
 		gd->default_shader = NULL;
 	}
+	glDeleteProgram(gd->dummy_prog);
+	if (gd->present_prog != gd->dummy_prog) {
+		glDeleteProgram(gd->present_prog);
+	}
+	gd->dummy_prog = 0;
+	gd->present_prog = 0;
+
+	glDeleteProgram(gd->fill_shader.prog);
+	glDeleteProgram(gd->brightness_shader.prog);
+	glDeleteProgram(gd->shadow_shader.prog);
+	gd->fill_shader.prog = 0;
+	gd->brightness_shader.prog = 0;
+	gd->shadow_shader.prog = 0;
 
 	glDeleteTextures(1, &gd->default_mask_texture);
 	glDeleteTextures(1, &gd->back_texture);
 
+	glDeleteQueries(2, gd->frame_timing);
+
 	gl_check_err();
 }