diff --git a/plugins/calypso.c b/plugins/calypso.c
index 9d6280cc..60f32421 100644
--- a/plugins/calypso.c
+++ b/plugins/calypso.c
@@ -203,7 +203,6 @@ static void cfun_set_on_cb(gboolean ok, GAtResult *result, gpointer user_data)
 		int i;
 
 		for (i = 0; i < NUM_DLC; i++) {
-			g_at_chat_shutdown(data->dlcs[i]);
 			g_at_chat_unref(data->dlcs[i]);
 			data->dlcs[i] = NULL;
 		}
@@ -410,7 +409,6 @@ static int calypso_disable(struct ofono_modem *modem)
 	DBG("");
 
 	for (i = 0; i < NUM_DLC; i++) {
-		g_at_chat_shutdown(data->dlcs[i]);
 		g_at_chat_unref(data->dlcs[i]);
 		data->dlcs[i] = NULL;
 	}
diff --git a/plugins/em770.c b/plugins/em770.c
index 138c67ac..de82f94e 100644
--- a/plugins/em770.c
+++ b/plugins/em770.c
@@ -144,7 +144,6 @@ static void cfun_disable(gboolean ok, GAtResult *result, gpointer user_data)
 
 	DBG("");
 
-	g_at_chat_shutdown(data->chat);
 	g_at_chat_unref(data->chat);
 	data->chat = NULL;
 
diff --git a/plugins/hso.c b/plugins/hso.c
index 27b69dce..dd9be672 100644
--- a/plugins/hso.c
+++ b/plugins/hso.c
@@ -165,7 +165,6 @@ static void cfun_disable(gboolean ok, GAtResult *result, gpointer user_data)
 
 	DBG("");
 
-	g_at_chat_shutdown(data->control);
 	g_at_chat_unref(data->control);
 	data->control = NULL;
 
@@ -185,7 +184,6 @@ static int hso_disable(struct ofono_modem *modem)
 	g_at_chat_cancel_all(data->control);
 	g_at_chat_unregister_all(data->control);
 
-	g_at_chat_shutdown(data->app);
 	g_at_chat_unref(data->app);
 	data->app = NULL;
 
diff --git a/plugins/huawei.c b/plugins/huawei.c
index 90fdcf04..df4d177f 100644
--- a/plugins/huawei.c
+++ b/plugins/huawei.c
@@ -135,7 +135,6 @@ static void cfun_disable(gboolean ok, GAtResult *result, gpointer user_data)
 
 	DBG("");
 
-	g_at_chat_shutdown(data->chat);
 	g_at_chat_unref(data->chat);
 	data->chat = NULL;
 
diff --git a/plugins/mbm.c b/plugins/mbm.c
index 79d180be..c67c7a59 100644
--- a/plugins/mbm.c
+++ b/plugins/mbm.c
@@ -253,11 +253,9 @@ static void cfun_disable(gboolean ok, GAtResult *result, gpointer user_data)
 
 	DBG("");
 
-	g_at_chat_shutdown(data->modem_port);
 	g_at_chat_unref(data->modem_port);
 	data->modem_port = NULL;
 
-	g_at_chat_shutdown(data->data_port);
 	g_at_chat_unref(data->data_port);
 	data->data_port = NULL;
 
diff --git a/plugins/novatel.c b/plugins/novatel.c
index 39288eba..792e17fa 100644
--- a/plugins/novatel.c
+++ b/plugins/novatel.c
@@ -126,7 +126,6 @@ static void cfun_disable(gboolean ok, GAtResult *result, gpointer user_data)
 
 	DBG("");
 
-	g_at_chat_shutdown(data->chat);
 	g_at_chat_unref(data->chat);
 	data->chat = NULL;
 
diff --git a/plugins/phonesim.c b/plugins/phonesim.c
index 37c7cfcb..d0cd7f37 100644
--- a/plugins/phonesim.c
+++ b/plugins/phonesim.c
@@ -261,8 +261,6 @@ static int phonesim_disable(struct ofono_modem *modem)
 
 	DBG("%p", modem);
 
-	g_at_chat_shutdown(data->chat);
-
 	g_at_chat_unref(data->chat);
 	data->chat = NULL;
 
diff --git a/plugins/ste.c b/plugins/ste.c
index 7e2df968..f3ae0b21 100644
--- a/plugins/ste.c
+++ b/plugins/ste.c
@@ -180,7 +180,6 @@ static void cfun_disable(gboolean ok, GAtResult *result, gpointer user_data)
 
 	DBG("");
 
-	g_at_chat_shutdown(data->chat);
 	g_at_chat_unref(data->chat);
 	data->chat = NULL;