diff --git a/source/blender/blentranslation/BLT_lang.hh b/source/blender/blentranslation/BLT_lang.hh
index 6f11f77d2b9..054df9174d8 100644
--- a/source/blender/blentranslation/BLT_lang.hh
+++ b/source/blender/blentranslation/BLT_lang.hh
@@ -46,4 +46,4 @@ void BLT_lang_locale_explode(const char *locale,
                              char **language_variant);
 
 /* Get EnumPropertyItem's for translations menu. */
-EnumPropertyItem *BLT_lang_RNA_enum_properties();
+const EnumPropertyItem *BLT_lang_RNA_enum_properties();
diff --git a/source/blender/blentranslation/intern/blt_lang.cc b/source/blender/blentranslation/intern/blt_lang.cc
index efdf8f09848..26f0d0cf02a 100644
--- a/source/blender/blentranslation/intern/blt_lang.cc
+++ b/source/blender/blentranslation/intern/blt_lang.cc
@@ -171,7 +171,7 @@ static void fill_locales()
 }
 #endif /* WITH_INTERNATIONAL */
 
-EnumPropertyItem *BLT_lang_RNA_enum_properties()
+const EnumPropertyItem *BLT_lang_RNA_enum_properties()
 {
 #ifdef WITH_INTERNATIONAL
   return locales_menu;
diff --git a/source/blender/editors/animation/drivers.cc b/source/blender/editors/animation/drivers.cc
index bc5fc73ff47..63754a82b58 100644
--- a/source/blender/editors/animation/drivers.cc
+++ b/source/blender/editors/animation/drivers.cc
@@ -835,7 +835,7 @@ void ANIM_copy_as_driver(ID *target_id, const char *target_path, const char *var
 
 /* Add Driver - Enum Defines ------------------------- */
 
-EnumPropertyItem prop_driver_create_mapping_types[] = {
+const EnumPropertyItem prop_driver_create_mapping_types[] = {
     /* XXX: These names need reviewing. */
     {CREATEDRIVER_MAPPING_1_N,
      "SINGLE_MANY",
@@ -873,7 +873,7 @@ static const EnumPropertyItem *driver_mapping_type_itemf(bContext *C,
                                                          PropertyRNA * /*owner_prop*/,
                                                          bool *r_free)
 {
-  EnumPropertyItem *input = prop_driver_create_mapping_types;
+  const EnumPropertyItem *input = prop_driver_create_mapping_types;
   EnumPropertyItem *item = nullptr;
 
   PointerRNA ptr = {nullptr};
diff --git a/source/blender/editors/include/ED_keyframing.hh b/source/blender/editors/include/ED_keyframing.hh
index e41df62832c..d44c88eafee 100644
--- a/source/blender/editors/include/ED_keyframing.hh
+++ b/source/blender/editors/include/ED_keyframing.hh
@@ -299,7 +299,7 @@ enum eCreateDriver_MappingTypes {
  * Mapping Types enum for operators.
  * \note Used by #ANIM_OT_driver_button_add and #UI_OT_eyedropper_driver.
  */
-extern EnumPropertyItem prop_driver_create_mapping_types[];
+extern const EnumPropertyItem prop_driver_create_mapping_types[];
 
 /* -------- */
 
diff --git a/source/blender/editors/include/ED_object.hh b/source/blender/editors/include/ED_object.hh
index 3cae06adcb2..93a453dcf8f 100644
--- a/source/blender/editors/include/ED_object.hh
+++ b/source/blender/editors/include/ED_object.hh
@@ -184,9 +184,9 @@ enum eObClearParentTypes {
 
 #ifdef __RNA_TYPES_H__
 /** Operator Property: `OBJECT_OT_parent_clear`. */
-extern EnumPropertyItem prop_clear_parent_types[];
+extern const EnumPropertyItem prop_clear_parent_types[];
 /** Operator Property: `OBJECT_OT_parent_set`. */
-extern EnumPropertyItem prop_make_parent_types[];
+extern const EnumPropertyItem prop_make_parent_types[];
 #endif
 
 /**
diff --git a/source/blender/editors/object/object_relations.cc b/source/blender/editors/object/object_relations.cc
index 84a067b1f23..2d959c97e2c 100644
--- a/source/blender/editors/object/object_relations.cc
+++ b/source/blender/editors/object/object_relations.cc
@@ -309,7 +309,7 @@ void OBJECT_OT_vertex_parent_set(wmOperatorType *ot)
 /** \name Clear Parent Operator
  * \{ */
 
-EnumPropertyItem prop_clear_parent_types[] = {
+const EnumPropertyItem prop_clear_parent_types[] = {
     {CLEAR_PARENT_ALL,
      "CLEAR",
      0,
@@ -475,7 +475,7 @@ void parent_set(Object *ob, Object *par, const int type, const char *substr)
   STRNCPY(ob->parsubstr, substr);
 }
 
-EnumPropertyItem prop_make_parent_types[] = {
+const EnumPropertyItem prop_make_parent_types[] = {
     {PAR_OBJECT, "OBJECT", 0, "Object", ""},
     {PAR_ARMATURE, "ARMATURE", 0, "Armature Deform", ""},
     {PAR_ARMATURE_NAME, "ARMATURE_NAME", 0, "   With Empty Groups", ""},
diff --git a/source/blender/editors/space_sequencer/sequencer_edit.cc b/source/blender/editors/space_sequencer/sequencer_edit.cc
index fa34983a0f5..ad8cf09c88f 100644
--- a/source/blender/editors/space_sequencer/sequencer_edit.cc
+++ b/source/blender/editors/space_sequencer/sequencer_edit.cc
@@ -1337,7 +1337,7 @@ static const EnumPropertyItem prop_split_types[] = {
     {0, nullptr, 0, nullptr, nullptr},
 };
 
-EnumPropertyItem prop_side_types[] = {
+const EnumPropertyItem prop_side_types[] = {
     {SEQ_SIDE_MOUSE, "MOUSE", 0, "Mouse Position", ""},
     {SEQ_SIDE_LEFT, "LEFT", 0, "Left", ""},
     {SEQ_SIDE_RIGHT, "RIGHT", 0, "Right", ""},
@@ -2617,7 +2617,7 @@ void SEQUENCER_OT_change_effect_input(wmOperatorType *ot)
 /** \name Change Effect Type Operator
  * \{ */
 
-EnumPropertyItem sequencer_prop_effect_types[] = {
+const EnumPropertyItem sequencer_prop_effect_types[] = {
     {SEQ_TYPE_CROSS, "CROSS", 0, "Crossfade", "Crossfade effect strip type"},
     {SEQ_TYPE_ADD, "ADD", 0, "Add", "Add effect strip type"},
     {SEQ_TYPE_SUB, "SUBTRACT", 0, "Subtract", "Subtract effect strip type"},
diff --git a/source/blender/editors/space_sequencer/sequencer_intern.hh b/source/blender/editors/space_sequencer/sequencer_intern.hh
index cb8d9c71069..fd74384edad 100644
--- a/source/blender/editors/space_sequencer/sequencer_intern.hh
+++ b/source/blender/editors/space_sequencer/sequencer_intern.hh
@@ -190,8 +190,8 @@ blender::VectorSet<Sequence *> selected_strips_from_context(bContext *C);
 
 /* Externals. */
 
-extern EnumPropertyItem sequencer_prop_effect_types[];
-extern EnumPropertyItem prop_side_types[];
+extern const EnumPropertyItem sequencer_prop_effect_types[];
+extern const EnumPropertyItem prop_side_types[];
 
 /* Operators. */
 
diff --git a/source/blender/python/intern/bpy_app_translations.cc b/source/blender/python/intern/bpy_app_translations.cc
index 958c3c8b33b..57d52a568c7 100644
--- a/source/blender/python/intern/bpy_app_translations.cc
+++ b/source/blender/python/intern/bpy_app_translations.cc
@@ -512,7 +512,7 @@ PyDoc_STRVAR(
 static PyObject *app_translations_locales_get(PyObject * /*self*/, void * /*userdata*/)
 {
   PyObject *ret;
-  EnumPropertyItem *it, *items = BLT_lang_RNA_enum_properties();
+  const EnumPropertyItem *it, *items = BLT_lang_RNA_enum_properties();
   int num_locales = 0, pos = 0;
 
   if (items) {