diff --git a/p2p/simulations/adapters/inproc.go b/p2p/simulations/adapters/inproc.go
index d122cd6487..eada9579ed 100644
--- a/p2p/simulations/adapters/inproc.go
+++ b/p2p/simulations/adapters/inproc.go
@@ -351,17 +351,3 @@ func (sn *SimNode) NodeInfo() *p2p.NodeInfo {
 	}
 	return server.NodeInfo()
 }
-
-func setSocketBuffer(conn net.Conn, socketReadBuffer int, socketWriteBuffer int) error {
-	if v, ok := conn.(*net.UnixConn); ok {
-		err := v.SetReadBuffer(socketReadBuffer)
-		if err != nil {
-			return err
-		}
-		err = v.SetWriteBuffer(socketWriteBuffer)
-		if err != nil {
-			return err
-		}
-	}
-	return nil
-}