2 files changed, 2 insertions, 4 deletions
diff --git a/erts/emulator/sys/win32/erl_poll.c b/erts/emulator/sys/win32/erl_poll.c
index 7a1d129cd5..972170d465 100644
--- a/erts/emulator/sys/win32/erl_poll.c
+++ b/erts/emulator/sys/win32/erl_poll.c
@@ -1085,7 +1085,7 @@ void erts_poll_controlv(ErtsPollSet ps,
 					 pcev[i].events,
 					 pcev[i].on);
     }
-    ERTS_POLLSET_LOCK(ps);
+    ERTS_POLLSET_UNLOCK(ps);
     HARDTRACEF(("Out erts_poll_controlv"));
 }
 
diff --git a/erts/emulator/sys/win32/erl_win_sys.h b/erts/emulator/sys/win32/erl_win_sys.h
index 0deb097b1a..74b15d3534 100644
--- a/erts/emulator/sys/win32/erl_win_sys.h
+++ b/erts/emulator/sys/win32/erl_win_sys.h
@@ -107,12 +107,10 @@
 /*
  * Our own type of "FD's"
  */
+#define ERTS_SYS_FD_INVALID INVALID_HANDLE_VALUE
 #define ERTS_SYS_FD_TYPE HANDLE
 #define NO_FSTAT_ON_SYS_FD_TYPE 1 /* They are events, not files */
 
-#define HAVE_ERTS_CHECK_IO_DEBUG
-int erts_check_io_debug(void);
-
 /*
  * For erl_time_sup
  */