diff --git a/source/blender/makesrna/intern/rna_modifier.c b/source/blender/makesrna/intern/rna_modifier.c
index 2754341810c..dcbc2672bcb 100644
--- a/source/blender/makesrna/intern/rna_modifier.c
+++ b/source/blender/makesrna/intern/rna_modifier.c
@@ -2030,6 +2030,7 @@ void RNA_def_modifier(BlenderRNA *brna)
 	prop= RNA_def_property(srna, "realtime", PROP_BOOLEAN, PROP_NONE);
 	RNA_def_property_boolean_sdna(prop, NULL, "mode", eModifierMode_Realtime);
 	RNA_def_property_ui_text(prop, "Realtime", "Realtime display of a modifier.");
+	RNA_def_property_flag(prop, PROP_LIB_EXCEPTION);
 	RNA_def_property_update(prop, 0, "rna_Modifier_update");
 	RNA_def_property_ui_icon(prop, ICON_RESTRICT_VIEW_OFF, 0);
 	
diff --git a/source/blender/makesrna/intern/rna_object.c b/source/blender/makesrna/intern/rna_object.c
index c4bfb9e0197..021fdcefd33 100644
--- a/source/blender/makesrna/intern/rna_object.c
+++ b/source/blender/makesrna/intern/rna_object.c
@@ -1458,6 +1458,7 @@ static void rna_def_object(BlenderRNA *brna)
 	RNA_def_property_array(prop, 20);
 	RNA_def_property_ui_text(prop, "Layers", "Layers the object is on.");
 	RNA_def_property_boolean_funcs(prop, NULL, "rna_Object_layer_set");
+	RNA_def_property_flag(prop, PROP_LIB_EXCEPTION);
 	RNA_def_property_update(prop, NC_OBJECT|ND_DRAW, "rna_Object_layer_update");
 
 	prop= RNA_def_property(srna, "selected", PROP_BOOLEAN, PROP_NONE);