diff --git a/builtin/providers/openstack/resource_openstack_networking_network_v2.go b/builtin/providers/openstack/resource_openstack_networking_network_v2.go
index 7101abe3c..e4b1eab72 100644
--- a/builtin/providers/openstack/resource_openstack_networking_network_v2.go
+++ b/builtin/providers/openstack/resource_openstack_networking_network_v2.go
@@ -107,7 +107,7 @@ func resourceNetworkingNetworkV2Create(d *schema.ResourceData, meta interface{})
 	createOpts := NetworkCreateOpts{
 		Name:       d.Get("name").(string),
 		TenantID:   d.Get("tenant_id").(string),
-		ValueSpecs: networkValueSpecs(d),
+		ValueSpecs: MapValueSpecs(d),
 	}
 
 	asuRaw := d.Get("admin_state_up").(string)
@@ -284,11 +284,3 @@ func waitForNetworkDelete(networkingClient *gophercloud.ServiceClient, networkId
 		return n, "ACTIVE", nil
 	}
 }
-
-func networkValueSpecs(d *schema.ResourceData) map[string]string {
-	m := make(map[string]string)
-	for key, val := range d.Get("value_specs").(map[string]interface{}) {
-		m[key] = val.(string)
-	}
-	return m
-}
diff --git a/builtin/providers/openstack/resource_openstack_networking_router_v2.go b/builtin/providers/openstack/resource_openstack_networking_router_v2.go
index caa714fd5..158b22aea 100644
--- a/builtin/providers/openstack/resource_openstack_networking_router_v2.go
+++ b/builtin/providers/openstack/resource_openstack_networking_router_v2.go
@@ -117,7 +117,7 @@ func resourceNetworkingRouterV2Create(d *schema.ResourceData, meta interface{})
 	createOpts := RouterCreateOpts{
 		Name:       d.Get("name").(string),
 		TenantID:   d.Get("tenant_id").(string),
-		ValueSpecs: routerValueSpecs(d),
+		ValueSpecs: MapValueSpecs(d),
 	}
 
 	if asuRaw, ok := d.GetOk("admin_state_up"); ok {
@@ -292,11 +292,3 @@ func waitForRouterDelete(networkingClient *gophercloud.ServiceClient, routerId s
 		return r, "ACTIVE", nil
 	}
 }
-
-func routerValueSpecs(d *schema.ResourceData) map[string]string {
-	m := make(map[string]string)
-	for key, val := range d.Get("value_specs").(map[string]interface{}) {
-		m[key] = val.(string)
-	}
-	return m
-}
diff --git a/builtin/providers/openstack/resource_openstack_networking_subnet_v2.go b/builtin/providers/openstack/resource_openstack_networking_subnet_v2.go
index f3e6c5f05..8b6dc2017 100644
--- a/builtin/providers/openstack/resource_openstack_networking_subnet_v2.go
+++ b/builtin/providers/openstack/resource_openstack_networking_subnet_v2.go
@@ -141,7 +141,7 @@ func resourceNetworkingSubnetV2Create(d *schema.ResourceData, meta interface{})
 			HostRoutes:      resourceSubnetHostRoutesV2(d),
 			EnableDHCP:      nil,
 		},
-		subnetValueSpecs(d),
+		MapValueSpecs(d),
 	}
 
 	if v, ok := d.GetOk("gateway_ip"); ok {
@@ -384,11 +384,3 @@ func waitForSubnetDelete(networkingClient *gophercloud.ServiceClient, subnetId s
 		return s, "ACTIVE", nil
 	}
 }
-
-func subnetValueSpecs(d *schema.ResourceData) map[string]string {
-	m := make(map[string]string)
-	for key, val := range d.Get("value_specs").(map[string]interface{}) {
-		m[key] = val.(string)
-	}
-	return m
-}