diff --git a/src/interfaces/libpq/win32.h b/src/interfaces/libpq/win32.h
index d3e9b34815d..f88d14df8e9 100644
--- a/src/interfaces/libpq/win32.h
+++ b/src/interfaces/libpq/win32.h
@@ -5,9 +5,6 @@
  */
 #define strcasecmp(a,b) stricmp(a,b)
 
-
-
-#define NO_UNISTD_H
 #define SOCKET_SIZE_TYPE int
 
 /*
@@ -23,8 +20,6 @@
  */
 #define crypt(a,b) a
 
-
-
 /*
  * Parts of config.h that you get with autoconf on other systems
  */