diff --git a/plugins/dummy/calls-dummy-origin.c b/plugins/dummy/calls-dummy-origin.c
index 7367146..b0e1b89 100644
--- a/plugins/dummy/calls-dummy-origin.c
+++ b/plugins/dummy/calls-dummy-origin.c
@@ -59,7 +59,6 @@ enum {
 
   PROP_CALLS,
   PROP_COUNTRY_CODE,
-  PROP_NUMERIC,
   PROP_LAST_PROP,
 };
 static GParamSpec *props[PROP_LAST_PROP];
@@ -215,10 +214,6 @@ get_property (GObject      *object,
     g_value_set_string (value, NULL);
     break;
 
-  case PROP_NUMERIC:
-    g_value_set_boolean (value, TRUE);
-    break;
-
   default:
     G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
     break;
@@ -274,7 +269,6 @@ calls_dummy_origin_class_init (CallsDummyOriginClass *klass)
   IMPLEMENTS (PROP_NAME, "name");
   IMPLEMENTS (PROP_CALLS, "calls");
   IMPLEMENTS (PROP_COUNTRY_CODE, "country-code");
-  IMPLEMENTS (PROP_NUMERIC, "numeric-addresses");
 
 #undef IMPLEMENTS
 }
diff --git a/plugins/mm/calls-mm-origin.c b/plugins/mm/calls-mm-origin.c
index 26ed379..fc437a8 100644
--- a/plugins/mm/calls-mm-origin.c
+++ b/plugins/mm/calls-mm-origin.c
@@ -72,7 +72,6 @@ enum {
   PROP_CALLS,
   PROP_MODEM,
   PROP_COUNTRY_CODE,
-  PROP_NUMERIC,
   PROP_LAST_PROP,
 };
 static GParamSpec *props[PROP_LAST_PROP];
@@ -673,10 +672,6 @@ get_property (GObject      *object,
     g_value_set_string (value, self->country_code);
     break;
 
-  case PROP_NUMERIC:
-    g_value_set_boolean (value, TRUE);
-    break;
-
   default:
     G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
     break;
@@ -892,7 +887,6 @@ calls_mm_origin_class_init (CallsMMOriginClass *klass)
   IMPLEMENTS (PROP_NAME, "name");
   IMPLEMENTS (PROP_CALLS, "calls");
   IMPLEMENTS (PROP_COUNTRY_CODE, "country-code");
-  IMPLEMENTS (PROP_NUMERIC, "numeric-addresses");
 
 #undef IMPLEMENTS
 
diff --git a/plugins/ofono/calls-ofono-origin.c b/plugins/ofono/calls-ofono-origin.c
index abfe6af..a97cfff 100644
--- a/plugins/ofono/calls-ofono-origin.c
+++ b/plugins/ofono/calls-ofono-origin.c
@@ -59,7 +59,6 @@ enum {
   PROP_CALLS,
   PROP_MODEM,
   PROP_COUNTRY_CODE,
-  PROP_NUMERIC,
   PROP_LAST_PROP,
 };
 static GParamSpec *props[PROP_LAST_PROP];
@@ -177,10 +176,6 @@ get_property (GObject      *object,
     g_value_set_string (value, NULL);
     break;
 
-  case PROP_NUMERIC:
-    g_value_set_boolean (value, TRUE);
-    break;
-
   default:
     G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
     break;
@@ -577,7 +572,6 @@ calls_ofono_origin_class_init (CallsOfonoOriginClass *klass)
   IMPLEMENTS (PROP_NAME, "name");
   IMPLEMENTS (PROP_CALLS, "calls");
   IMPLEMENTS (PROP_COUNTRY_CODE, "country-code");
-  IMPLEMENTS (PROP_NUMERIC, "numeric-addresses");
 
 #undef IMPLEMENTS
 
diff --git a/plugins/sip/calls-sip-origin.c b/plugins/sip/calls-sip-origin.c
index 4389059..f75878b 100644
--- a/plugins/sip/calls-sip-origin.c
+++ b/plugins/sip/calls-sip-origin.c
@@ -74,7 +74,6 @@ enum {
   PROP_ACC_ADDRESS,
   PROP_CALLS,
   PROP_COUNTRY_CODE,
-  PROP_NUMERIC,
   PROP_LAST_PROP,
 };
 static GParamSpec *props[PROP_LAST_PROP];
@@ -1257,10 +1256,6 @@ calls_sip_origin_get_property (GObject      *object,
     g_value_set_string (value, NULL);
     break;
 
-  case PROP_NUMERIC:
-    g_value_set_boolean (value, FALSE);
-    break;
-
   default:
     G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
     break;
@@ -1425,7 +1420,6 @@ calls_sip_origin_class_init (CallsSipOriginClass *klass)
   IMPLEMENTS (PROP_NAME, "name");
   IMPLEMENTS (PROP_CALLS, "calls");
   IMPLEMENTS (PROP_COUNTRY_CODE, "country-code");
-  IMPLEMENTS (PROP_NUMERIC, "numeric-addresses");
 
 #undef IMPLEMENTS
 }
diff --git a/src/calls-origin.c b/src/calls-origin.c
index 9eb0de3..58100dd 100644
--- a/src/calls-origin.c
+++ b/src/calls-origin.c
@@ -70,14 +70,6 @@ calls_origin_default_init (CallsOriginInterface *iface)
                          NULL,
                          G_PARAM_READABLE));
 
-  g_object_interface_install_property (
-    iface,
-    g_param_spec_boolean ("numeric-addresses",
-                          "Numeric addresses",
-                          "Whether this origin can only dial numeric addresses (aka numbers)",
-                          TRUE,
-                          G_PARAM_READABLE));
-
   signals[SIGNAL_CALL_ADDED] =
     g_signal_newv ("call-added",
 		   G_TYPE_FROM_INTERFACE (iface),
@@ -121,24 +113,6 @@ DEFINE_ORIGIN_GETTER(name, char *, NULL);
  */
 DEFINE_ORIGIN_GETTER(calls, GList *, NULL);
 
-/**
- * calls_origin_get_numeric_addresses:
- * @self: a #CallsOrigin
- *
- * Returns: %TRUE if this origin can only dial numeric addresses (i.e. telephone numbers),
- * %FALSE otherwise.
- */
-gboolean
-calls_origin_get_numeric_addresses (CallsOrigin *origin)
-{
-  gboolean numeric;
-
-  g_return_val_if_fail (CALLS_IS_ORIGIN (origin), FALSE);
-
-  g_object_get (origin, "numeric-addresses", &numeric, NULL);
-  return numeric;
-}
-
 /**
  * calls_origin_foreach_call:
  * @self: a #CallsOrigin
diff --git a/src/calls-origin.h b/src/calls-origin.h
index 3461e84..d237fd3 100644
--- a/src/calls-origin.h
+++ b/src/calls-origin.h
@@ -52,7 +52,6 @@ typedef void (*CallsOriginForeachCallFunc) (gpointer param, CallsCall* call, Cal
 
 char *                 calls_origin_get_name                (CallsOrigin *self);
 GList *                calls_origin_get_calls               (CallsOrigin *self);
-gboolean               calls_origin_get_numeric_addresses   (CallsOrigin *self);
 void                   calls_origin_foreach_call            (CallsOrigin *self,
                                                              CallsOriginForeachCallFunc callback,
                                                              gpointer     param);