diff --git a/src/Buffer.cpp b/src/Buffer.cpp
index b32dff040e..79f41cb13f 100644
--- a/src/Buffer.cpp
+++ b/src/Buffer.cpp
@@ -821,7 +821,6 @@ int Buffer::id() const
 
 void Buffer::updateId()
 {
-	++d->id_;
 	for(Buffer * b : allRelatives())
 		++(b->d->id_);
 }