diff --git a/src/pty/ntapi_pty_io.c b/src/pty/ntapi_pty_io.c
index 4d73348..21e3b70 100644
--- a/src/pty/ntapi_pty_io.c
+++ b/src/pty/ntapi_pty_io.c
@@ -34,9 +34,6 @@ static int32_t __stdcall __ntapi_pty_read_write(
 	if (offset && offset->quad)
 		return NT_STATUS_INVALID_PARAMETER;
 
-	else if (__ntapi->tt_sync_block_lock(&pty->sync[mode],1,0,0))
-		return NT_STATUS_RESOURCE_NOT_OWNED;
-
 	nbytes = nbytes <= pty->section_size / 2
 		? nbytes
 		: pty->section_size / 2;