diff --git a/source/blender/makesrna/intern/rna_animation.cc b/source/blender/makesrna/intern/rna_animation.cc
index 4643a69f5ee..6bbef8d89cd 100644
--- a/source/blender/makesrna/intern/rna_animation.cc
+++ b/source/blender/makesrna/intern/rna_animation.cc
@@ -50,12 +50,6 @@ const EnumPropertyItem rna_enum_keying_flag_items[] = {
      0,
      "Visual Keying",
      "Insert keyframes based on 'visual transforms'"},
-    {0,
-     "INSERTKEY_XYZ_TO_RGB",
-     0,
-     "XYZ=RGB Colors (ignored)",
-     "This flag is no longer in use, and is here so that code that uses it doesn't break. The "
-     "XYZ=RGB coloring is determined by the animation preferences."},
     {0, nullptr, 0, nullptr, nullptr},
 };
 
@@ -71,12 +65,6 @@ const EnumPropertyItem rna_enum_keying_flag_api_items[] = {
      0,
      "Visual Keying",
      "Insert keyframes based on 'visual transforms'"},
-    {0,
-     "INSERTKEY_XYZ_TO_RGB",
-     0,
-     "XYZ=RGB Colors (ignored)",
-     "This flag is no longer in use, and is here so that code that uses it doesn't break. The "
-     "XYZ=RGB coloring is determined by the animation preferences."},
     {INSERTKEY_REPLACE,
      "INSERTKEY_REPLACE",
      0,
diff --git a/source/blender/python/intern/bpy_rna_anim.cc b/source/blender/python/intern/bpy_rna_anim.cc
index b3f6d765d9a..048de7f92fd 100644
--- a/source/blender/python/intern/bpy_rna_anim.cc
+++ b/source/blender/python/intern/bpy_rna_anim.cc
@@ -314,9 +314,6 @@ char pyrna_struct_keyframe_insert_doc[] =
     "      - ``INSERTKEY_NEEDED`` Only insert keyframes where they're needed in the relevant "
     "F-Curves.\n"
     "      - ``INSERTKEY_VISUAL`` Insert keyframes based on 'visual transforms'.\n"
-    "      - ``INSERTKEY_XYZ_TO_RGB`` This flag is no longer in use, and is here so that code "
-    "that uses it doesn't break. The XYZ=RGB coloring is determined by the animation "
-    "preferences.\n"
     "      - ``INSERTKEY_REPLACE`` Only replace already existing keyframes.\n"
     "      - ``INSERTKEY_AVAILABLE`` Only insert into already existing F-Curves.\n"
     "      - ``INSERTKEY_CYCLE_AWARE`` Take cyclic extrapolation into account "