This variable is unused.

Reviewed-by: Helge Deller <deller@gmx.de>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 linux-user/user-mmap.h | 1 -
 linux-user/mmap.c      | 2 --
 2 files changed, 3 deletions(-)

diff --git a/linux-user/user-mmap.h b/linux-user/user-mmap.h
index 3fc986f92f..7265c2c116 100644
--- a/linux-user/user-mmap.h
+++ b/linux-user/user-mmap.h
@@ -26,7 +26,6 @@ abi_long target_mremap(abi_ulong old_addr, abi_ulong old_size,
                        abi_ulong new_size, unsigned long flags,
                        abi_ulong new_addr);
 abi_long target_madvise(abi_ulong start, abi_ulong len_in, int advice);
-extern unsigned long last_brk;
 extern abi_ulong mmap_next_start;
 abi_ulong mmap_find_vma(abi_ulong, abi_ulong, abi_ulong);
 void mmap_fork_start(void);
diff --git a/linux-user/mmap.c b/linux-user/mmap.c
index 90b3ef2140..eb04fab8ab 100644
--- a/linux-user/mmap.c
+++ b/linux-user/mmap.c
@@ -314,8 +314,6 @@ static bool mmap_frag(abi_ulong real_start, abi_ulong start, abi_ulong last,
 #endif
 abi_ulong mmap_next_start = TASK_UNMAPPED_BASE;
 
-unsigned long last_brk;
-
 /*
  * Subroutine of mmap_find_vma, used when we have pre-allocated
  * a chunk of guest address space.
-- 
2.34.1