diff --git a/bsd-user/mmap.c b/bsd-user/mmap.c
index ee5907330f..1ad018a127 100644
--- a/bsd-user/mmap.c
+++ b/bsd-user/mmap.c
@@ -199,12 +199,7 @@ static int mmap_frag(abi_ulong real_start,
     return 0;
 }
 
-#if defined(__CYGWIN__)
-/* Cygwin doesn't have a whole lot of address space.  */
-static abi_ulong mmap_next_start = 0x18000000;
-#else
 static abi_ulong mmap_next_start = 0x40000000;
-#endif
 
 unsigned long last_brk;
 
diff --git a/configure b/configure
index 99d8bece70..b9a30cfd7b 100755
--- a/configure
+++ b/configure
@@ -553,12 +553,6 @@ fi
 HOST_VARIANT_DIR=""
 
 case $targetos in
-CYGWIN*)
-  mingw32="yes"
-  QEMU_CFLAGS="-mno-cygwin $QEMU_CFLAGS"
-  audio_possible_drivers="sdl"
-  audio_drv_list="sdl"
-;;
 MINGW32*)
   mingw32="yes"
   hax="yes"