diff --git a/chardev/char-fd.c b/chardev/char-fd.c
index 09fbb078af..2c9b2ce567 100644
--- a/chardev/char-fd.c
+++ b/chardev/char-fd.c
@@ -84,8 +84,7 @@ static GSource *fd_chr_add_watch(Chardev *chr, GIOCondition cond)
     return qio_channel_create_watch(s->ioc_out, cond);
 }
 
-static void fd_chr_update_read_handler(Chardev *chr,
-                                       GMainContext *context)
+static void fd_chr_update_read_handler(Chardev *chr)
 {
     FDChardev *s = FD_CHARDEV(chr);
 
diff --git a/chardev/char-pty.c b/chardev/char-pty.c
index d239c04bc3..761ae6dec1 100644
--- a/chardev/char-pty.c
+++ b/chardev/char-pty.c
@@ -112,8 +112,7 @@ static void pty_chr_update_read_handler_locked(Chardev *chr)
     }
 }
 
-static void pty_chr_update_read_handler(Chardev *chr,
-                                        GMainContext *context)
+static void pty_chr_update_read_handler(Chardev *chr)
 {
     qemu_mutex_lock(&chr->chr_write_lock);
     pty_chr_update_read_handler_locked(chr);
diff --git a/chardev/char-socket.c b/chardev/char-socket.c
index ee71cbed5b..e65148fe97 100644
--- a/chardev/char-socket.c
+++ b/chardev/char-socket.c
@@ -521,8 +521,7 @@ static void tcp_chr_connect(void *opaque)
     qemu_chr_be_event(chr, CHR_EVENT_OPENED);
 }
 
-static void tcp_chr_update_read_handler(Chardev *chr,
-                                        GMainContext *context)
+static void tcp_chr_update_read_handler(Chardev *chr)
 {
     SocketChardev *s = SOCKET_CHARDEV(chr);
 
diff --git a/chardev/char-udp.c b/chardev/char-udp.c
index 106dee1a29..d46ff7ab53 100644
--- a/chardev/char-udp.c
+++ b/chardev/char-udp.c
@@ -100,8 +100,7 @@ static gboolean udp_chr_read(QIOChannel *chan, GIOCondition cond, void *opaque)
     return TRUE;
 }
 
-static void udp_chr_update_read_handler(Chardev *chr,
-                                        GMainContext *context)
+static void udp_chr_update_read_handler(Chardev *chr)
 {
     UdpChardev *s = UDP_CHARDEV(chr);
 
diff --git a/chardev/char.c b/chardev/char.c
index 89eabea5ac..2ae4f465ec 100644
--- a/chardev/char.c
+++ b/chardev/char.c
@@ -187,7 +187,7 @@ void qemu_chr_be_update_read_handlers(Chardev *s,
 
     s->gcontext = context;
     if (cc->chr_update_read_handler) {
-        cc->chr_update_read_handler(s, context);
+        cc->chr_update_read_handler(s);
     }
 }
 
diff --git a/include/chardev/char.h b/include/chardev/char.h
index 84fb773591..43aabccef5 100644
--- a/include/chardev/char.h
+++ b/include/chardev/char.h
@@ -238,7 +238,7 @@ typedef struct ChardevClass {
     int (*chr_write)(Chardev *s, const uint8_t *buf, int len);
     int (*chr_sync_read)(Chardev *s, const uint8_t *buf, int len);
     GSource *(*chr_add_watch)(Chardev *s, GIOCondition cond);
-    void (*chr_update_read_handler)(Chardev *s, GMainContext *context);
+    void (*chr_update_read_handler)(Chardev *s);
     int (*chr_ioctl)(Chardev *s, int cmd, void *arg);
     int (*get_msgfds)(Chardev *s, int* fds, int num);
     int (*set_msgfds)(Chardev *s, int *fds, int num);