diff --git a/iohandler.c b/iohandler.c
index 5640d49..9963790 100644
--- a/iohandler.c
+++ b/iohandler.c
@@ -89,7 +89,7 @@ int qemu_set_fd_handler(int fd,
     return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
 }
 
-void qemu_iohandler_fill(int *pnfds, fd_set *readfds, fd_set *writefds, fd_set *xfds)
+void qemu_iohandler_fill(int *pnfds, fd_set *readfds, fd_set *writefds)
 {
     IOHandlerRecord *ioh;
 
@@ -111,7 +111,7 @@ void qemu_iohandler_fill(int *pnfds, fd_set *readfds, fd_set *writefds, fd_set *
     }
 }
 
-void qemu_iohandler_poll(fd_set *readfds, fd_set *writefds, fd_set *xfds, int ret)
+void qemu_iohandler_poll(fd_set *readfds, fd_set *writefds, int ret)
 {
     if (ret > 0) {
         IOHandlerRecord *pioh, *ioh;
diff --git a/main-loop.c b/main-loop.c
index 60e9748..7cbb0b0 100644
--- a/main-loop.c
+++ b/main-loop.c
@@ -446,7 +446,7 @@ int main_loop_wait(int nonblocking)
 #ifdef CONFIG_SLIRP
     slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
 #endif
-    qemu_iohandler_fill(&nfds, &rfds, &wfds, &xfds);
+    qemu_iohandler_fill(&nfds, &rfds, &wfds);
     glib_select_fill(&nfds, &rfds, &wfds, &xfds, &tv);
 
     if (timeout > 0) {
@@ -460,7 +460,7 @@ int main_loop_wait(int nonblocking)
     }
 
     glib_select_poll(&rfds, &wfds, &xfds, (ret < 0));
-    qemu_iohandler_poll(&rfds, &wfds, &xfds, ret);
+    qemu_iohandler_poll(&rfds, &wfds, ret);
 #ifdef CONFIG_SLIRP
     slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
 #endif
diff --git a/main-loop.h b/main-loop.h
index 8a716b1..f753c6a 100644
--- a/main-loop.h
+++ b/main-loop.h
@@ -341,8 +341,8 @@ void qemu_mutex_unlock_iothread(void);
 
 /* internal interfaces */
 
-void qemu_iohandler_fill(int *pnfds, fd_set *readfds, fd_set *writefds, fd_set *xfds);
-void qemu_iohandler_poll(fd_set *readfds, fd_set *writefds, fd_set *xfds, int rc);
+void qemu_iohandler_fill(int *pnfds, fd_set *readfds, fd_set *writefds);
+void qemu_iohandler_poll(fd_set *readfds, fd_set *writefds, int rc);
 
 void qemu_bh_schedule_idle(QEMUBH *bh);
 int qemu_bh_poll(void);