diff --git a/src/clientiface.h b/src/clientiface.h
index 0d2bca196..d7622cad3 100644
--- a/src/clientiface.h
+++ b/src/clientiface.h
@@ -322,7 +322,6 @@ public:
 
 	/*
 		List of active objects that the client knows of.
-		Value is dummy.
 	*/
 	std::set<u16> m_known_objects;
 
@@ -377,7 +376,7 @@ private:
 		- A block is cleared from here when client says it has
 		  deleted it from it's memory
 
-		Key is position, value is dummy.
+		List of block positions.
 		No MapBlock* is stored here because the blocks can get deleted.
 	*/
 	std::set<v3s16> m_blocks_sent;