diff --git a/demos/benchmark/lv_demo_benchmark.c b/demos/benchmark/lv_demo_benchmark.c
index 47db62764..7072c7fbc 100644
--- a/demos/benchmark/lv_demo_benchmark.c
+++ b/demos/benchmark/lv_demo_benchmark.c
@@ -18,6 +18,10 @@
     #error "LV_FONT_MONTSERRAT_24 is required for lv_demo_benchmark. Enable it in lv_conf.h."
 #endif
 
+#if LV_USE_DEMO_WIDGETS == 0
+    #error "LV_USE_DEMO_WIDGETS needs to be enabled"
+#endif
+
 #include "../../src/display/lv_display_private.h"
 #include "../../src/core/lv_global.h"
 
diff --git a/demos/multilang/lv_demo_multilang.h b/demos/multilang/lv_demo_multilang.h
index 572487b38..75ecd62e0 100644
--- a/demos/multilang/lv_demo_multilang.h
+++ b/demos/multilang/lv_demo_multilang.h
@@ -15,6 +15,16 @@ extern "C" {
  *********************/
 #include "../lv_demos.h"
 
+#if LV_USE_DEMO_MULTILANG
+
+#if LV_USE_GRID == 0
+#error "LV_USE_GRID needs to be enabled"
+#endif
+
+#if LV_USE_FLEX == 0
+#error "LV_USE_FLEX needs to be enabled"
+#endif
+
 /*********************
  *      DEFINES
  *********************/
@@ -32,6 +42,8 @@ void lv_demo_multilang(void);
  *      MACROS
  **********************/
 
+#endif /*LV_USE_DEMO_MULTILANG*/
+
 #ifdef __cplusplus
 } /* extern "C" */
 #endif
diff --git a/demos/music/lv_demo_music_main.h b/demos/music/lv_demo_music_main.h
index 7a225736f..8a2fe9ffc 100644
--- a/demos/music/lv_demo_music_main.h
+++ b/demos/music/lv_demo_music_main.h
@@ -14,8 +14,13 @@ extern "C" {
  *      INCLUDES
  *********************/
 #include "lv_demo_music.h"
+
 #if LV_USE_DEMO_MUSIC
 
+#if LV_USE_GRID == 0
+#error "LV_USE_GRID needs to be enabled"
+#endif
+
 /*********************
  *      DEFINES
  *********************/
diff --git a/demos/render/lv_demo_render.c b/demos/render/lv_demo_render.c
index 0da7c3f0d..cca3c79e7 100644
--- a/demos/render/lv_demo_render.c
+++ b/demos/render/lv_demo_render.c
@@ -9,6 +9,7 @@
 #include "lv_demo_render.h"
 
 #if LV_USE_DEMO_RENDER
+
 #include "../../src/display/lv_display_private.h"
 #include "../../src/core/lv_global.h"
 
diff --git a/demos/render/lv_demo_render.h b/demos/render/lv_demo_render.h
index 76c668679..9ae1fe415 100644
--- a/demos/render/lv_demo_render.h
+++ b/demos/render/lv_demo_render.h
@@ -17,6 +17,10 @@ extern "C" {
 
 #if LV_USE_DEMO_RENDER
 
+#if LV_USE_GRID == 0
+#error "LV_USE_GRID needs to be enabled"
+#endif
+
 /*********************
  *      DEFINES
  *********************/
diff --git a/demos/transform/lv_demo_transform.c b/demos/transform/lv_demo_transform.c
index fddc0dfdd..4ecce6d65 100644
--- a/demos/transform/lv_demo_transform.c
+++ b/demos/transform/lv_demo_transform.c
@@ -10,10 +10,6 @@
 
 #if LV_USE_DEMO_TRANSFORM
 
-#if LV_FONT_MONTSERRAT_18 == 0
-    #error "LV_FONT_MONTSERRAT_18 is required for lv_demo_transform. Enable it in lv_conf.h."
-#endif
-
 /*********************
  *      DEFINES
  *********************/
diff --git a/demos/transform/lv_demo_transform.h b/demos/transform/lv_demo_transform.h
index 844e40d0c..dbe25d05a 100644
--- a/demos/transform/lv_demo_transform.h
+++ b/demos/transform/lv_demo_transform.h
@@ -15,6 +15,16 @@ extern "C" {
  *********************/
 #include "../lv_demos.h"
 
+#if LV_USE_DEMO_TRANSFORM
+
+#if LV_FONT_MONTSERRAT_18 == 0
+#error "LV_FONT_MONTSERRAT_18 is required for lv_demo_transform. Enable it in lv_conf.h."
+#endif
+
+#if LV_USE_GRID == 0
+#error "LV_USE_GRID needs to be enabled"
+#endif
+
 /*********************
  *      DEFINES
  *********************/
@@ -32,6 +42,8 @@ void lv_demo_transform(void);
  *      MACROS
  **********************/
 
+#endif /*LV_USE_DEMO_TRANSFORM*/
+
 #ifdef __cplusplus
 } /* extern "C" */
 #endif
diff --git a/demos/widgets/lv_demo_widgets.h b/demos/widgets/lv_demo_widgets.h
index 3d1375ef8..c8d382a08 100644
--- a/demos/widgets/lv_demo_widgets.h
+++ b/demos/widgets/lv_demo_widgets.h
@@ -15,6 +15,16 @@ extern "C" {
  *********************/
 #include "../lv_demos.h"
 
+#if LV_USE_DEMO_WIDGETS
+
+#if LV_USE_GRID == 0
+#error "LV_USE_GRID needs to be enabled"
+#endif
+
+#if LV_USE_FLEX == 0
+#error "LV_USE_FLEX needs to be enabled"
+#endif
+
 /*********************
  *      DEFINES
  *********************/
@@ -33,6 +43,8 @@ void lv_demo_widgets_start_slideshow(void);
  *      MACROS
  **********************/
 
+#endif /*LV_USE_DEMO_WIDGETS*/
+
 #ifdef __cplusplus
 } /* extern "C" */
 #endif
diff --git a/examples/others/fragment/lv_example_fragment_2.c b/examples/others/fragment/lv_example_fragment_2.c
index 5ec5f44a6..39f0956e7 100644
--- a/examples/others/fragment/lv_example_fragment_2.c
+++ b/examples/others/fragment/lv_example_fragment_2.c
@@ -4,7 +4,7 @@
  */
 #include "../../lv_examples.h"
 
-#if LV_USE_FRAGMENT && LV_USE_WIN && LV_BUILD_EXAMPLES
+#if LV_USE_FRAGMENT && LV_USE_WIN && LV_USE_GRID && LV_BUILD_EXAMPLES
 
 static void sample_fragment_ctor(lv_fragment_t * self, void * args);
 
diff --git a/scripts/style_api_gen.py b/scripts/style_api_gen.py
index 33120a2a2..037adec2c 100755
--- a/scripts/style_api_gen.py
+++ b/scripts/style_api_gen.py
@@ -390,8 +390,7 @@ props = [
  'dsc': "Set the base direction of the object. The possible values are `LV_BIDI_DIR_LTR/RTL/AUTO`."},
 
 
-
-{'section': 'Flex', 'dsc':'Flex layout properties.' },
+{'section': 'Flex', 'dsc':'Flex layout properties.',  'guard':'LV_USE_FLEX'},
 
 
 {'name': 'FLEX_FLOW',
@@ -419,7 +418,7 @@ props = [
 
 
 
-{'section': 'Grid', 'dsc':'Grid layout properties.' },
+{'section': 'Grid', 'dsc':'Grid layout properties.', 'guard':'LV_USE_GRID'},
 
 
 {'name': 'GRID_COLUMN_DSC_ARRAY',
@@ -588,6 +587,20 @@ def docs(p):
   print("<li " + li_style + "'><strong>Ext. draw</strong> " + e + "</li>")
   print("</ul>")
 
+def guard_proc(p):
+  global guard
+  if 'section' in p:
+    if guard:
+      guard_close()
+    if 'guard' in p:
+      guard = p['guard']
+      print(f"#if {guard}\n")
+
+def guard_close():
+  global guard
+  if guard:
+    print(f"#endif /*{guard}*/\n")
+  guard = ""
 
 base_dir = os.path.abspath(os.path.dirname(__file__))
 sys.stdout = open(base_dir + '/../src/core/lv_obj_style_gen.h', 'w')
@@ -611,11 +624,17 @@ print("#include \"../misc/lv_area.h\"")
 print("#include \"../misc/lv_style.h\"")
 print("#include \"../core/lv_obj_style.h\"")
 print()
+
+guard = ""
 for p in props:
+  guard_proc(p)
   obj_style_get(p)
+guard_close()
 
 for p in props:
+  guard_proc(p)
   local_style_set_h(p)
+guard_close()
 
 print()
 print('#endif /* LV_OBJ_STYLE_GEN_H */')
@@ -625,16 +644,22 @@ sys.stdout = open(base_dir + '/../src/core/lv_obj_style_gen.c', 'w')
 print(HEADING)
 print("#include \"lv_obj.h\"")
 print()
+
 for p in props:
+  guard_proc(p)
   local_style_set_c(p)
+guard_close()
 
 sys.stdout = open(base_dir + '/../src/misc/lv_style_gen.c', 'w')
 
 print(HEADING)
 print("#include \"lv_style.h\"")
 print()
+
 for p in props:
+  guard_proc(p)
   style_set_c(p)
+guard_close()
 
 sys.stdout = open(base_dir + '/../src/misc/lv_style_gen.h', 'w')
 
@@ -642,15 +667,20 @@ print(HEADING)
 print('#ifndef LV_STYLE_GEN_H')
 print('#define LV_STYLE_GEN_H')
 print()
-for p in props:
-  style_set_h(p)
 
 for p in props:
+  guard_proc(p)
+  style_set_h(p)
+guard_close()
+
+for p in props:
+  guard_proc(p)
   style_const_set(p)
+guard_close()
+
 print()
 print('#endif /* LV_STYLE_GEN_H */')
 
-
 sys.stdout = open(base_dir + '/../docs/overview/style-props.md', 'w')
 
 print('# Style properties')
diff --git a/src/core/lv_obj_style_gen.c b/src/core/lv_obj_style_gen.c
index 6b1f5ba96..71c6f76e7 100644
--- a/src/core/lv_obj_style_gen.c
+++ b/src/core/lv_obj_style_gen.c
@@ -721,8 +721,7 @@ void lv_obj_set_style_anim_time(lv_obj_t * obj, uint32_t value, lv_style_selecto
     lv_obj_set_local_style_prop(obj, LV_STYLE_ANIM_TIME, v, selector);
 }
 
-void lv_obj_set_style_transition(lv_obj_t * obj, const lv_style_transition_dsc_t * value,
-                                 lv_style_selector_t selector)
+void lv_obj_set_style_transition(lv_obj_t * obj, const lv_style_transition_dsc_t * value, lv_style_selector_t selector)
 {
     lv_style_value_t v = {
         .ptr = value
@@ -753,6 +752,7 @@ void lv_obj_set_style_base_dir(lv_obj_t * obj, lv_base_dir_t value, lv_style_sel
     };
     lv_obj_set_local_style_prop(obj, LV_STYLE_BASE_DIR, v, selector);
 }
+#if LV_USE_FLEX
 
 void lv_obj_set_style_flex_flow(lv_obj_t * obj, lv_flex_flow_t value, lv_style_selector_t selector)
 {
@@ -793,6 +793,9 @@ void lv_obj_set_style_flex_grow(lv_obj_t * obj, uint8_t value, lv_style_selector
     };
     lv_obj_set_local_style_prop(obj, LV_STYLE_FLEX_GROW, v, selector);
 }
+#endif /*LV_USE_FLEX*/
+
+#if LV_USE_GRID
 
 void lv_obj_set_style_grid_column_dsc_array(lv_obj_t * obj, const int32_t * value, lv_style_selector_t selector)
 {
@@ -873,3 +876,4 @@ void lv_obj_set_style_grid_cell_row_span(lv_obj_t * obj, int32_t value, lv_style
     };
     lv_obj_set_local_style_prop(obj, LV_STYLE_GRID_CELL_ROW_SPAN, v, selector);
 }
+#endif /*LV_USE_GRID*/
diff --git a/src/core/lv_obj_style_gen.h b/src/core/lv_obj_style_gen.h
index 59a5197f8..72989430e 100644
--- a/src/core/lv_obj_style_gen.h
+++ b/src/core/lv_obj_style_gen.h
@@ -589,8 +589,7 @@ static inline lv_opa_t lv_obj_get_style_opa_layered(const lv_obj_t * obj, uint32
     return (lv_opa_t)v.num;
 }
 
-static inline const lv_color_filter_dsc_t * lv_obj_get_style_color_filter_dsc(const lv_obj_t * obj,
-                                                                              uint32_t part)
+static inline const lv_color_filter_dsc_t * lv_obj_get_style_color_filter_dsc(const lv_obj_t * obj, uint32_t part)
 {
     lv_style_value_t v = lv_obj_get_style_prop(obj, part, LV_STYLE_COLOR_FILTER_DSC);
     return (const lv_color_filter_dsc_t *)v.ptr;
@@ -638,6 +637,8 @@ static inline lv_base_dir_t lv_obj_get_style_base_dir(const lv_obj_t * obj, uint
     return (lv_base_dir_t)v.num;
 }
 
+#if LV_USE_FLEX
+
 static inline lv_flex_flow_t lv_obj_get_style_flex_flow(const lv_obj_t * obj, uint32_t part)
 {
     lv_style_value_t v = lv_obj_get_style_prop(obj, part, LV_STYLE_FLEX_FLOW);
@@ -668,6 +669,10 @@ static inline uint8_t lv_obj_get_style_flex_grow(const lv_obj_t * obj, uint32_t
     return (uint8_t)v.num;
 }
 
+#endif /*LV_USE_FLEX*/
+
+#if LV_USE_GRID
+
 static inline const int32_t * lv_obj_get_style_grid_column_dsc_array(const lv_obj_t * obj, uint32_t part)
 {
     lv_style_value_t v = lv_obj_get_style_prop(obj, part, LV_STYLE_GRID_COLUMN_DSC_ARRAY);
@@ -728,6 +733,8 @@ static inline int32_t lv_obj_get_style_grid_cell_row_span(const lv_obj_t * obj,
     return (int32_t)v.num;
 }
 
+#endif /*LV_USE_GRID*/
+
 void lv_obj_set_style_width(lv_obj_t * obj, int32_t value, lv_style_selector_t selector);
 void lv_obj_set_style_min_width(lv_obj_t * obj, int32_t value, lv_style_selector_t selector);
 void lv_obj_set_style_max_width(lv_obj_t * obj, int32_t value, lv_style_selector_t selector);
@@ -818,26 +825,31 @@ void lv_obj_set_style_color_filter_dsc(lv_obj_t * obj, const lv_color_filter_dsc
 void lv_obj_set_style_color_filter_opa(lv_obj_t * obj, lv_opa_t value, lv_style_selector_t selector);
 void lv_obj_set_style_anim(lv_obj_t * obj, const lv_anim_t * value, lv_style_selector_t selector);
 void lv_obj_set_style_anim_time(lv_obj_t * obj, uint32_t value, lv_style_selector_t selector);
-void lv_obj_set_style_transition(lv_obj_t * obj, const lv_style_transition_dsc_t * value,
-                                 lv_style_selector_t selector);
+void lv_obj_set_style_transition(lv_obj_t * obj, const lv_style_transition_dsc_t * value, lv_style_selector_t selector);
 void lv_obj_set_style_blend_mode(lv_obj_t * obj, lv_blend_mode_t value, lv_style_selector_t selector);
 void lv_obj_set_style_layout(lv_obj_t * obj, uint16_t value, lv_style_selector_t selector);
 void lv_obj_set_style_base_dir(lv_obj_t * obj, lv_base_dir_t value, lv_style_selector_t selector);
-void lv_obj_set_style_flex_flow(lv_obj_t * obj, lv_flex_flow_t value, lv_style_selector_t selector);
-void lv_obj_set_style_flex_main_place(lv_obj_t * obj, lv_flex_align_t value, lv_style_selector_t selector);
-void lv_obj_set_style_flex_cross_place(lv_obj_t * obj, lv_flex_align_t value, lv_style_selector_t selector);
-void lv_obj_set_style_flex_track_place(lv_obj_t * obj, lv_flex_align_t value, lv_style_selector_t selector);
-void lv_obj_set_style_flex_grow(lv_obj_t * obj, uint8_t value, lv_style_selector_t selector);
-void lv_obj_set_style_grid_column_dsc_array(lv_obj_t * obj, const int32_t * value,
-                                            lv_style_selector_t selector);
-void lv_obj_set_style_grid_column_align(lv_obj_t * obj, lv_grid_align_t value, lv_style_selector_t selector);
-void lv_obj_set_style_grid_row_dsc_array(lv_obj_t * obj, const int32_t * value, lv_style_selector_t selector);
-void lv_obj_set_style_grid_row_align(lv_obj_t * obj, lv_grid_align_t value, lv_style_selector_t selector);
-void lv_obj_set_style_grid_cell_column_pos(lv_obj_t * obj, int32_t value, lv_style_selector_t selector);
-void lv_obj_set_style_grid_cell_x_align(lv_obj_t * obj, lv_grid_align_t value, lv_style_selector_t selector);
-void lv_obj_set_style_grid_cell_column_span(lv_obj_t * obj, int32_t value, lv_style_selector_t selector);
-void lv_obj_set_style_grid_cell_row_pos(lv_obj_t * obj, int32_t value, lv_style_selector_t selector);
-void lv_obj_set_style_grid_cell_y_align(lv_obj_t * obj, lv_grid_align_t value, lv_style_selector_t selector);
-void lv_obj_set_style_grid_cell_row_span(lv_obj_t * obj, int32_t value, lv_style_selector_t selector);
+#if LV_USE_FLEX
+
+    void lv_obj_set_style_flex_flow(lv_obj_t * obj, lv_flex_flow_t value, lv_style_selector_t selector);
+    void lv_obj_set_style_flex_main_place(lv_obj_t * obj, lv_flex_align_t value, lv_style_selector_t selector);
+    void lv_obj_set_style_flex_cross_place(lv_obj_t * obj, lv_flex_align_t value, lv_style_selector_t selector);
+    void lv_obj_set_style_flex_track_place(lv_obj_t * obj, lv_flex_align_t value, lv_style_selector_t selector);
+    void lv_obj_set_style_flex_grow(lv_obj_t * obj, uint8_t value, lv_style_selector_t selector);
+#endif /*LV_USE_FLEX*/
+
+#if LV_USE_GRID
+
+    void lv_obj_set_style_grid_column_dsc_array(lv_obj_t * obj, const int32_t * value, lv_style_selector_t selector);
+    void lv_obj_set_style_grid_column_align(lv_obj_t * obj, lv_grid_align_t value, lv_style_selector_t selector);
+    void lv_obj_set_style_grid_row_dsc_array(lv_obj_t * obj, const int32_t * value, lv_style_selector_t selector);
+    void lv_obj_set_style_grid_row_align(lv_obj_t * obj, lv_grid_align_t value, lv_style_selector_t selector);
+    void lv_obj_set_style_grid_cell_column_pos(lv_obj_t * obj, int32_t value, lv_style_selector_t selector);
+    void lv_obj_set_style_grid_cell_x_align(lv_obj_t * obj, lv_grid_align_t value, lv_style_selector_t selector);
+    void lv_obj_set_style_grid_cell_column_span(lv_obj_t * obj, int32_t value, lv_style_selector_t selector);
+    void lv_obj_set_style_grid_cell_row_pos(lv_obj_t * obj, int32_t value, lv_style_selector_t selector);
+    void lv_obj_set_style_grid_cell_y_align(lv_obj_t * obj, lv_grid_align_t value, lv_style_selector_t selector);
+    void lv_obj_set_style_grid_cell_row_span(lv_obj_t * obj, int32_t value, lv_style_selector_t selector);
+#endif /*LV_USE_GRID*/
 
 #endif /* LV_OBJ_STYLE_GEN_H */
diff --git a/src/misc/lv_style.c b/src/misc/lv_style.c
index f6e560f70..da844106f 100644
--- a/src/misc/lv_style.c
+++ b/src/misc/lv_style.c
@@ -137,12 +137,15 @@ const uint8_t _lv_style_builtin_prop_flag_lookup_table[_LV_STYLE_NUM_BUILT_IN_PR
     [LV_STYLE_LAYOUT] =                    LV_STYLE_PROP_FLAG_LAYOUT_UPDATE,
     [LV_STYLE_BASE_DIR] =                  LV_STYLE_PROP_FLAG_INHERITABLE | LV_STYLE_PROP_FLAG_LAYOUT_UPDATE,
 
+#if LV_USE_FLEX
     [LV_STYLE_FLEX_FLOW] =                    LV_STYLE_PROP_FLAG_LAYOUT_UPDATE,
     [LV_STYLE_FLEX_MAIN_PLACE] =              LV_STYLE_PROP_FLAG_LAYOUT_UPDATE,
     [LV_STYLE_FLEX_CROSS_PLACE] =             LV_STYLE_PROP_FLAG_LAYOUT_UPDATE,
     [LV_STYLE_FLEX_TRACK_PLACE] =             LV_STYLE_PROP_FLAG_LAYOUT_UPDATE,
     [LV_STYLE_FLEX_GROW] =                    LV_STYLE_PROP_FLAG_LAYOUT_UPDATE,
+#endif
 
+#if LV_USE_GRID
     [LV_STYLE_GRID_COLUMN_DSC_ARRAY] =      LV_STYLE_PROP_FLAG_LAYOUT_UPDATE,
     [LV_STYLE_GRID_ROW_DSC_ARRAY] =         LV_STYLE_PROP_FLAG_LAYOUT_UPDATE,
     [LV_STYLE_GRID_COLUMN_ALIGN] =          LV_STYLE_PROP_FLAG_LAYOUT_UPDATE,
@@ -153,6 +156,7 @@ const uint8_t _lv_style_builtin_prop_flag_lookup_table[_LV_STYLE_NUM_BUILT_IN_PR
     [LV_STYLE_GRID_CELL_COLUMN_POS] =       LV_STYLE_PROP_FLAG_LAYOUT_UPDATE,
     [LV_STYLE_GRID_CELL_X_ALIGN] =          LV_STYLE_PROP_FLAG_LAYOUT_UPDATE,
     [LV_STYLE_GRID_CELL_Y_ALIGN] =          LV_STYLE_PROP_FLAG_LAYOUT_UPDATE,
+#endif
 
 };
 
diff --git a/src/misc/lv_style_gen.c b/src/misc/lv_style_gen.c
index 380a8d7ae..6abca8b1d 100644
--- a/src/misc/lv_style_gen.c
+++ b/src/misc/lv_style_gen.c
@@ -937,6 +937,7 @@ void lv_style_set_base_dir(lv_style_t * style, lv_base_dir_t value)
 }
 
 const lv_style_prop_t _lv_style_const_prop_id_BASE_DIR = LV_STYLE_BASE_DIR;
+#if LV_USE_FLEX
 
 void lv_style_set_flex_flow(lv_style_t * style, lv_flex_flow_t value)
 {
@@ -987,6 +988,9 @@ void lv_style_set_flex_grow(lv_style_t * style, uint8_t value)
 }
 
 const lv_style_prop_t _lv_style_const_prop_id_FLEX_GROW = LV_STYLE_FLEX_GROW;
+#endif /*LV_USE_FLEX*/
+
+#if LV_USE_GRID
 
 void lv_style_set_grid_column_dsc_array(lv_style_t * style, const int32_t * value)
 {
@@ -1087,3 +1091,4 @@ void lv_style_set_grid_cell_row_span(lv_style_t * style, int32_t value)
 }
 
 const lv_style_prop_t _lv_style_const_prop_id_GRID_CELL_ROW_SPAN = LV_STYLE_GRID_CELL_ROW_SPAN;
+#endif /*LV_USE_GRID*/
diff --git a/src/misc/lv_style_gen.h b/src/misc/lv_style_gen.h
index af6060220..f855017d0 100644
--- a/src/misc/lv_style_gen.h
+++ b/src/misc/lv_style_gen.h
@@ -195,36 +195,43 @@ void lv_style_set_layout(lv_style_t * style, uint16_t value);
 extern const lv_style_prop_t _lv_style_const_prop_id_LAYOUT;
 void lv_style_set_base_dir(lv_style_t * style, lv_base_dir_t value);
 extern const lv_style_prop_t _lv_style_const_prop_id_BASE_DIR;
-void lv_style_set_flex_flow(lv_style_t * style, lv_flex_flow_t value);
-extern const lv_style_prop_t _lv_style_const_prop_id_FLEX_FLOW;
-void lv_style_set_flex_main_place(lv_style_t * style, lv_flex_align_t value);
-extern const lv_style_prop_t _lv_style_const_prop_id_FLEX_MAIN_PLACE;
-void lv_style_set_flex_cross_place(lv_style_t * style, lv_flex_align_t value);
-extern const lv_style_prop_t _lv_style_const_prop_id_FLEX_CROSS_PLACE;
-void lv_style_set_flex_track_place(lv_style_t * style, lv_flex_align_t value);
-extern const lv_style_prop_t _lv_style_const_prop_id_FLEX_TRACK_PLACE;
-void lv_style_set_flex_grow(lv_style_t * style, uint8_t value);
-extern const lv_style_prop_t _lv_style_const_prop_id_FLEX_GROW;
-void lv_style_set_grid_column_dsc_array(lv_style_t * style, const int32_t * value);
-extern const lv_style_prop_t _lv_style_const_prop_id_GRID_COLUMN_DSC_ARRAY;
-void lv_style_set_grid_column_align(lv_style_t * style, lv_grid_align_t value);
-extern const lv_style_prop_t _lv_style_const_prop_id_GRID_COLUMN_ALIGN;
-void lv_style_set_grid_row_dsc_array(lv_style_t * style, const int32_t * value);
-extern const lv_style_prop_t _lv_style_const_prop_id_GRID_ROW_DSC_ARRAY;
-void lv_style_set_grid_row_align(lv_style_t * style, lv_grid_align_t value);
-extern const lv_style_prop_t _lv_style_const_prop_id_GRID_ROW_ALIGN;
-void lv_style_set_grid_cell_column_pos(lv_style_t * style, int32_t value);
-extern const lv_style_prop_t _lv_style_const_prop_id_GRID_CELL_COLUMN_POS;
-void lv_style_set_grid_cell_x_align(lv_style_t * style, lv_grid_align_t value);
-extern const lv_style_prop_t _lv_style_const_prop_id_GRID_CELL_X_ALIGN;
-void lv_style_set_grid_cell_column_span(lv_style_t * style, int32_t value);
-extern const lv_style_prop_t _lv_style_const_prop_id_GRID_CELL_COLUMN_SPAN;
-void lv_style_set_grid_cell_row_pos(lv_style_t * style, int32_t value);
-extern const lv_style_prop_t _lv_style_const_prop_id_GRID_CELL_ROW_POS;
-void lv_style_set_grid_cell_y_align(lv_style_t * style, lv_grid_align_t value);
-extern const lv_style_prop_t _lv_style_const_prop_id_GRID_CELL_Y_ALIGN;
-void lv_style_set_grid_cell_row_span(lv_style_t * style, int32_t value);
-extern const lv_style_prop_t _lv_style_const_prop_id_GRID_CELL_ROW_SPAN;
+#if LV_USE_FLEX
+
+    void lv_style_set_flex_flow(lv_style_t * style, lv_flex_flow_t value);
+    extern const lv_style_prop_t _lv_style_const_prop_id_FLEX_FLOW;
+    void lv_style_set_flex_main_place(lv_style_t * style, lv_flex_align_t value);
+    extern const lv_style_prop_t _lv_style_const_prop_id_FLEX_MAIN_PLACE;
+    void lv_style_set_flex_cross_place(lv_style_t * style, lv_flex_align_t value);
+    extern const lv_style_prop_t _lv_style_const_prop_id_FLEX_CROSS_PLACE;
+    void lv_style_set_flex_track_place(lv_style_t * style, lv_flex_align_t value);
+    extern const lv_style_prop_t _lv_style_const_prop_id_FLEX_TRACK_PLACE;
+    void lv_style_set_flex_grow(lv_style_t * style, uint8_t value);
+    extern const lv_style_prop_t _lv_style_const_prop_id_FLEX_GROW;
+#endif /*LV_USE_FLEX*/
+
+#if LV_USE_GRID
+
+    void lv_style_set_grid_column_dsc_array(lv_style_t * style, const int32_t * value);
+    extern const lv_style_prop_t _lv_style_const_prop_id_GRID_COLUMN_DSC_ARRAY;
+    void lv_style_set_grid_column_align(lv_style_t * style, lv_grid_align_t value);
+    extern const lv_style_prop_t _lv_style_const_prop_id_GRID_COLUMN_ALIGN;
+    void lv_style_set_grid_row_dsc_array(lv_style_t * style, const int32_t * value);
+    extern const lv_style_prop_t _lv_style_const_prop_id_GRID_ROW_DSC_ARRAY;
+    void lv_style_set_grid_row_align(lv_style_t * style, lv_grid_align_t value);
+    extern const lv_style_prop_t _lv_style_const_prop_id_GRID_ROW_ALIGN;
+    void lv_style_set_grid_cell_column_pos(lv_style_t * style, int32_t value);
+    extern const lv_style_prop_t _lv_style_const_prop_id_GRID_CELL_COLUMN_POS;
+    void lv_style_set_grid_cell_x_align(lv_style_t * style, lv_grid_align_t value);
+    extern const lv_style_prop_t _lv_style_const_prop_id_GRID_CELL_X_ALIGN;
+    void lv_style_set_grid_cell_column_span(lv_style_t * style, int32_t value);
+    extern const lv_style_prop_t _lv_style_const_prop_id_GRID_CELL_COLUMN_SPAN;
+    void lv_style_set_grid_cell_row_pos(lv_style_t * style, int32_t value);
+    extern const lv_style_prop_t _lv_style_const_prop_id_GRID_CELL_ROW_POS;
+    void lv_style_set_grid_cell_y_align(lv_style_t * style, lv_grid_align_t value);
+    extern const lv_style_prop_t _lv_style_const_prop_id_GRID_CELL_Y_ALIGN;
+    void lv_style_set_grid_cell_row_span(lv_style_t * style, int32_t value);
+    extern const lv_style_prop_t _lv_style_const_prop_id_GRID_CELL_ROW_SPAN;
+#endif /*LV_USE_GRID*/
 
 #define LV_STYLE_CONST_WIDTH(val) \
     { \
@@ -690,6 +697,7 @@ extern const lv_style_prop_t _lv_style_const_prop_id_GRID_CELL_ROW_SPAN;
     { \
         .prop_ptr = &_lv_style_const_prop_id_BASE_DIR, .value = { .num = (int32_t)val } \
     }
+#if LV_USE_FLEX
 
 #define LV_STYLE_CONST_FLEX_FLOW(val) \
     { \
@@ -715,6 +723,9 @@ extern const lv_style_prop_t _lv_style_const_prop_id_GRID_CELL_ROW_SPAN;
     { \
         .prop_ptr = &_lv_style_const_prop_id_FLEX_GROW, .value = { .num = (int32_t)val } \
     }
+#endif /*LV_USE_FLEX*/
+
+#if LV_USE_GRID
 
 #define LV_STYLE_CONST_GRID_COLUMN_DSC_ARRAY(val) \
     { \
@@ -765,5 +776,6 @@ extern const lv_style_prop_t _lv_style_const_prop_id_GRID_CELL_ROW_SPAN;
     { \
         .prop_ptr = &_lv_style_const_prop_id_GRID_CELL_ROW_SPAN, .value = { .num = (int32_t)val } \
     }
+#endif /*LV_USE_GRID*/
 
 #endif /* LV_STYLE_GEN_H */
diff --git a/src/widgets/menu/lv_menu.h b/src/widgets/menu/lv_menu.h
index f5b7e3400..c187ff134 100644
--- a/src/widgets/menu/lv_menu.h
+++ b/src/widgets/menu/lv_menu.h
@@ -17,6 +17,10 @@ extern "C" {
 
 #if LV_USE_MENU
 
+#if LV_USE_FLEX == 0
+#error "LV_USE_FLEX needs to be enabled"
+#endif
+
 /*********************
  *      DEFINES
  *********************/