diff --git a/qemu/target-i386/misc_helper.c b/qemu/target-i386/misc_helper.c
index ef287fc7..2704fea7 100644
--- a/qemu/target-i386/misc_helper.c
+++ b/qemu/target-i386/misc_helper.c
@@ -566,7 +566,6 @@ void helper_monitor(CPUX86State *env, target_ulong ptr)
 
 void helper_mwait(CPUX86State *env, int next_eip_addend)
 {
-    CPUState *cs;
     X86CPU *cpu;
 
     if ((uint32_t)env->regs[R_ECX] != 0) {
@@ -576,7 +575,6 @@ void helper_mwait(CPUX86State *env, int next_eip_addend)
     env->eip += next_eip_addend;
 
     cpu = x86_env_get_cpu(env);
-    cs = CPU(cpu);
     /* XXX: not complete but not completely erroneous */
     do_hlt(cpu);
 }
diff --git a/qemu/util/oslib-win32.c b/qemu/util/oslib-win32.c
index 63b60798..c7590935 100644
--- a/qemu/util/oslib-win32.c
+++ b/qemu/util/oslib-win32.c
@@ -121,16 +121,6 @@ struct tm *localtime_r(const time_t *timep, struct tm *result)
     return p;
 }
 
-int socket_set_fast_reuse(int fd)
-{
-    /* Enabling the reuse of an endpoint that was used by a socket still in
-     * TIME_WAIT state is usually performed by setting SO_REUSEADDR. On Windows
-     * fast reuse is the default and SO_REUSEADDR does strange things. So we
-     * don't have to do anything here. More info can be found at:
-     * http://msdn.microsoft.com/en-us/library/windows/desktop/ms740621.aspx */
-    return 0;
-}
-
 /*
 int inet_aton(const char *cp, struct in_addr *ia)
 {