diff --git a/lv_draw/lv_draw.c b/lv_draw/lv_draw.c
index eea5af823..22a85830e 100644
--- a/lv_draw/lv_draw.c
+++ b/lv_draw/lv_draw.c
@@ -46,19 +46,19 @@ void (*map_fp)(const lv_area_t * cords_p, const lv_area_t * mask_p,
 /* px_fp used only by shadow drawing and anti aliasing
  * static void (*px_fp)(lv_coord_t x, lv_coord_t y, const lv_area_t * mask, lv_color_t color, lv_opa_t opa) = lv_rpx;
  */
-static void (*fill_fp)(const lv_area_t * coords, const lv_area_t * mask, lv_color_t color, lv_opa_t opa) =  lv_rfill;
-static void (*letter_fp)(const lv_point_t * pos_p, const lv_area_t * mask, const lv_font_t * font_p, uint32_t letter, lv_color_t color, lv_opa_t opa) = lv_rletter;
+void (*fill_fp)(const lv_area_t * coords, const lv_area_t * mask, lv_color_t color, lv_opa_t opa) =  lv_rfill;
+void (*letter_fp)(const lv_point_t * pos_p, const lv_area_t * mask, const lv_font_t * font_p, uint32_t letter, lv_color_t color, lv_opa_t opa) = lv_rletter;
 #  if USE_LV_IMG
-static void (*map_fp)(const lv_area_t * cords_p, const lv_area_t * mask_p,
+void (*map_fp)(const lv_area_t * cords_p, const lv_area_t * mask_p,
                       const uint8_t * map_p, lv_opa_t opa, bool chroma_key, bool alpha_byte,
                       lv_color_t recolor, lv_opa_t recolor_opa) = lv_rmap;
 #  endif /*USE_LV_IMG*/
 #else
 /*Invalid settings. Compiler error will be thrown*/
-static void (*px_fp)(lv_coord_t x, lv_coord_t y, const lv_area_t * mask, lv_color_t color, lv_opa_t opa) = NULL;
-static void (*fill_fp)(const lv_area_t * coords, const lv_area_t * mask, lv_color_t color, lv_opa_t opa) =  NULL;
-static void (*letter_fp)(const lv_point_t * pos_p, const lv_area_t * mask, const lv_font_t * font_p, uint32_t letter, lv_color_t color, lv_opa_t opa) = NULL;
-static void (*map_fp)(const lv_area_t * cords_p, const lv_area_t * mask_p,
+void (*px_fp)(lv_coord_t x, lv_coord_t y, const lv_area_t * mask, lv_color_t color, lv_opa_t opa) = NULL;
+void (*fill_fp)(const lv_area_t * coords, const lv_area_t * mask, lv_color_t color, lv_opa_t opa) =  NULL;
+void (*letter_fp)(const lv_point_t * pos_p, const lv_area_t * mask, const lv_font_t * font_p, uint32_t letter, lv_color_t color, lv_opa_t opa) = NULL;
+void (*map_fp)(const lv_area_t * cords_p, const lv_area_t * mask_p,
                       const uint8_t * map_p, lv_opa_t opa, bool chroma_key, bool alpha_byte,
                       lv_color_t recolor, lv_opa_t recolor_opa) = NULL;
 #endif
diff --git a/lv_draw/lv_draw.h b/lv_draw/lv_draw.h
index 7056b0256..80ea06f81 100644
--- a/lv_draw/lv_draw.h
+++ b/lv_draw/lv_draw.h
@@ -117,10 +117,10 @@ void lv_draw_aa_hor_seg(lv_coord_t x, lv_coord_t y, lv_coord_t length, const lv_
 /**********************
  *  GLOBAL VARIABLES
  **********************/
-void (*px_fp)(lv_coord_t x, lv_coord_t y, const lv_area_t * mask, lv_color_t color, lv_opa_t opa);
-void (*fill_fp)(const lv_area_t * coords, const lv_area_t * mask, lv_color_t color, lv_opa_t opa);
-void (*letter_fp)(const lv_point_t * pos_p, const lv_area_t * mask, const lv_font_t * font_p, uint32_t letter, lv_color_t color, lv_opa_t opa);
-void (*map_fp)(const lv_area_t * cords_p, const lv_area_t * mask_p,
+extern void (*px_fp)(lv_coord_t x, lv_coord_t y, const lv_area_t * mask, lv_color_t color, lv_opa_t opa);
+extern void (*fill_fp)(const lv_area_t * coords, const lv_area_t * mask, lv_color_t color, lv_opa_t opa);
+extern void (*letter_fp)(const lv_point_t * pos_p, const lv_area_t * mask, const lv_font_t * font_p, uint32_t letter, lv_color_t color, lv_opa_t opa);
+extern void (*map_fp)(const lv_area_t * cords_p, const lv_area_t * mask_p,
                const uint8_t * map_p, lv_opa_t opa, bool chroma_key, bool alpha_byte,
                lv_color_t recolor, lv_opa_t recolor_opa);