diff --git a/fs/fs_fcntl.c b/fs/fs_fcntl.c
index d8afd51a20..0639f52d6e 100644
--- a/fs/fs_fcntl.c
+++ b/fs/fs_fcntl.c
@@ -80,7 +80,6 @@ static inline int file_vfcntl(int fildes, int cmd, va_list ap)
       goto errout;
     }
 
-#warning "Many fcntl() commands not yet implemented"
   switch (cmd)
     {
       case F_DUPFD:
diff --git a/include/fcntl.h b/include/fcntl.h
index 611a10d0a5..48b94d33bd 100644
--- a/include/fcntl.h
+++ b/include/fcntl.h
@@ -88,20 +88,14 @@
 
 /* For posix fcntl() and lockf() */
 
-#define F_RDLCK     0
-#define F_WRLCK     1
-#define F_UNLCK     2
+#define F_RDLCK     0 /* Take out a read lease */
+#define F_WRLCK     1  /* Take out a write lease */
+#define F_UNLCK     2  /* Remove a lease */
 
 /* close-on-exec flag for F_GETRL and F_SETFL */
 
 #define FD_CLOEXEC  1
 
-/* Arguments to F_SETLEASE */
-
-#define F_RDLCK     0  /* Take out a read lease */
-#define F_WRLCK     2  /* Take out a write lease */
-#define F_UNLCK     3  /* Remove a lease */
-
 /* These are the notifications that can be received from F_NOTIFY (linux) */
 
 #define DN_ACCESS   0  /* A file was accessed */
diff --git a/net/net_vfcntl.c b/net/net_vfcntl.c
index ccaf4e2cd7..0b228b212e 100644
--- a/net/net_vfcntl.c
+++ b/net/net_vfcntl.c
@@ -77,8 +77,6 @@ int net_vfcntl(int sockfd, int cmd, va_list ap)
   /* Interrupts must be disabled in order to perform operations on socket structures */
 
   flags = irqsave();
-
-#warning "Most fcntl() commands not yet implemented"
   switch (cmd)
     {
       case F_DUPFD: