diff --git a/settingtypes.txt b/settingtypes.txt
index 69220c5e39..d46fdce812 100644
--- a/settingtypes.txt
+++ b/settingtypes.txt
@@ -43,6 +43,12 @@ mobs_spawn (Spawn mobs naturally) bool true
 # This setting is only read at startup.
 only_peaceful_mobs (Spawn only peaceful mobs) bool false
 
+# If enabled, mobs might drop items when they die.
+mobs_drop_items (Mobs drop items) bool true
+
+# If enabled, mobs can take and place blocks around them.
+mobs_griefing (Mobs change blocks) bool true
+
 # If enabled, players respawn at the bed they last lay on instead of normal
 # spawn.
 # This setting is only read at startup.