diff -u -r1.15 -r1.16
--- socket.c	31 May 2020 17:45:02 -0000	1.15
+++ socket.c	1 Jun 2020 18:55:37 -0000	1.16
@@ -3174,7 +3174,6 @@
 
 	INSIST(VALID_SOCKET(sock));
 
-	LOCK(&sock->lock);
 	isc_refcount_increment(&sock->references);
 	UNLOCK(&sock->lock);
 
@@ -3192,8 +3191,6 @@
 	if (more_data)
 		select_poke(sock->manager, sock->threadid, sock->fd,
 		    SELECT_POKE_WRITE);
-
-	UNLOCK(&sock->lock);
 }
 
 static void
@@ -3203,7 +3200,6 @@
 
 	INSIST(VALID_SOCKET(sock));
 
-	LOCK(&sock->lock);
 	isc_refcount_increment(&sock->references);
 	UNLOCK(&sock->lock);
 
@@ -3221,8 +3217,6 @@
 	if (more_data)
 		select_poke(sock->manager, sock->threadid, sock->fd,
 		    SELECT_POKE_READ);
-
-	UNLOCK(&sock->lock);
 }
 
 /*