diff --git a/openstack/blockstorage/v1/snapshots/requests.go b/openstack/blockstorage/v1/snapshots/requests.go
index f823b3d..7dcbc46 100644
--- a/openstack/blockstorage/v1/snapshots/requests.go
+++ b/openstack/blockstorage/v1/snapshots/requests.go
@@ -49,13 +49,12 @@
 	return res
 }
 
-func Delete(client *gophercloud.ServiceClient, id string) DeleteResult {
-	var res DeleteResult
-	_, res.Err = perigee.Request("DELETE", deleteURL(client, id), perigee.Options{
+func Delete(client *gophercloud.ServiceClient, id string) error {
+	_, err := perigee.Request("DELETE", deleteURL(client, id), perigee.Options{
 		MoreHeaders: client.Provider.AuthenticatedHeaders(),
-		OkCodes:     []int{204},
+		OkCodes:     []int{202, 204},
 	})
-	return res
+	return err
 }
 
 func Get(client *gophercloud.ServiceClient, id string) GetResult {
@@ -116,7 +115,7 @@
 
 	_, res.Err = perigee.Request("PUT", updateURL(client, id), perigee.Options{
 		MoreHeaders: client.Provider.AuthenticatedHeaders(),
-		OkCodes:     []int{200},
+		OkCodes:     []int{202, 204},
 		ReqBody:     &reqBody,
 		Results:     &res.Resp,
 	})
diff --git a/openstack/blockstorage/v1/snapshots/requests_test.go b/openstack/blockstorage/v1/snapshots/requests_test.go
index dae53fd..4050990 100644
--- a/openstack/blockstorage/v1/snapshots/requests_test.go
+++ b/openstack/blockstorage/v1/snapshots/requests_test.go
@@ -155,6 +155,6 @@
 		w.WriteHeader(http.StatusNoContent)
 	})
 
-	res := Delete(ServiceClient(), "d32019d3-bc6e-4319-9c1d-6722fc136a22")
-	th.AssertNoErr(t, res.Err)
+	err := Delete(ServiceClient(), "d32019d3-bc6e-4319-9c1d-6722fc136a22")
+	th.AssertNoErr(t, err)
 }
diff --git a/openstack/blockstorage/v1/snapshots/results.go b/openstack/blockstorage/v1/snapshots/results.go
index cc3a419..363d6e2 100644
--- a/openstack/blockstorage/v1/snapshots/results.go
+++ b/openstack/blockstorage/v1/snapshots/results.go
@@ -80,5 +80,3 @@
 type UpdateResult struct {
 	commonResult
 }
-
-type DeleteResult commonResult
diff --git a/openstack/blockstorage/v1/volumes/requests.go b/openstack/blockstorage/v1/volumes/requests.go
index 2a4ce91..7704012 100644
--- a/openstack/blockstorage/v1/volumes/requests.go
+++ b/openstack/blockstorage/v1/volumes/requests.go
@@ -60,7 +60,7 @@
 
 // ListOpts holds options for listing volumes. It is passed to the volumes.List function.
 type ListOpts struct {
-	// AllTenants is an admin-only option. Set it to true to see a tenant volumes.
+	// AllTenants is an admin-only option. Set it to true to see all tenant volumes.
 	AllTenants bool
 	// List only volumes that contain Metadata.
 	Metadata map[string]string
@@ -123,11 +123,10 @@
 
 }
 
-func Delete(client *gophercloud.ServiceClient, id string) DeleteResult {
-	var res DeleteResult
-	_, res.Err = perigee.Request("DELETE", deleteURL(client, id), perigee.Options{
+func Delete(client *gophercloud.ServiceClient, id string) error {
+	_, err := perigee.Request("DELETE", deleteURL(client, id), perigee.Options{
 		MoreHeaders: client.Provider.AuthenticatedHeaders(),
-		OkCodes:     []int{204},
+		OkCodes:     []int{202, 204},
 	})
-	return res
+	return err
 }
diff --git a/openstack/blockstorage/v1/volumes/requests_test.go b/openstack/blockstorage/v1/volumes/requests_test.go
index 2ae8dd3..54ff91d 100644
--- a/openstack/blockstorage/v1/volumes/requests_test.go
+++ b/openstack/blockstorage/v1/volumes/requests_test.go
@@ -155,6 +155,6 @@
 		w.WriteHeader(http.StatusNoContent)
 	})
 
-	res := Delete(ServiceClient(), "d32019d3-bc6e-4319-9c1d-6722fc136a22")
-	th.AssertNoErr(t, res.Err)
+	err := Delete(ServiceClient(), "d32019d3-bc6e-4319-9c1d-6722fc136a22")
+	th.AssertNoErr(t, err)
 }
diff --git a/openstack/blockstorage/v1/volumes/results.go b/openstack/blockstorage/v1/volumes/results.go
index 961582d..7bf83a5 100644
--- a/openstack/blockstorage/v1/volumes/results.go
+++ b/openstack/blockstorage/v1/volumes/results.go
@@ -80,5 +80,3 @@
 type UpdateResult struct {
 	commonResult
 }
-
-type DeleteResult commonResult
diff --git a/openstack/blockstorage/v1/volumetypes/requests.go b/openstack/blockstorage/v1/volumetypes/requests.go
index 678d331..466d043 100644
--- a/openstack/blockstorage/v1/volumetypes/requests.go
+++ b/openstack/blockstorage/v1/volumetypes/requests.go
@@ -12,7 +12,7 @@
 	Name       string
 }
 
-func Create(client *gophercloud.ServiceClient, opts CreateOpts) CreateResult {
+func Create(client *gophercloud.ServiceClient, opts *CreateOpts) CreateResult {
 	type volumeType struct {
 		ExtraSpecs map[string]interface{} `json:"extra_specs,omitempty"`
 		Name       *string                `json:"name,omitempty"`
@@ -39,19 +39,17 @@
 	return res
 }
 
-func Delete(client *gophercloud.ServiceClient, id string) DeleteResult {
-	var res DeleteResult
+func Delete(client *gophercloud.ServiceClient, id string) error {
 	_, err := perigee.Request("DELETE", deleteURL(client, id), perigee.Options{
 		MoreHeaders: client.Provider.AuthenticatedHeaders(),
 		OkCodes:     []int{202},
 	})
-	res.Err = err
-	return res
+	return err
 }
 
 func Get(client *gophercloud.ServiceClient, id string) GetResult {
 	var res GetResult
-	resp, err := perigee.Request("GET", getURL(client, id), perigee.Options{
+	_, err := perigee.Request("GET", getURL(client, id), perigee.Options{
 		MoreHeaders: client.Provider.AuthenticatedHeaders(),
 		OkCodes:     []int{200},
 		Results:     &res.Resp,
diff --git a/openstack/blockstorage/v1/volumetypes/requests_test.go b/openstack/blockstorage/v1/volumetypes/requests_test.go
index 79f919a..a9c6512 100644
--- a/openstack/blockstorage/v1/volumetypes/requests_test.go
+++ b/openstack/blockstorage/v1/volumetypes/requests_test.go
@@ -149,7 +149,7 @@
 		`)
 	})
 
-	options := CreateOpts{Name: "vol-type-001"}
+	options := &CreateOpts{Name: "vol-type-001"}
 	n, err := Create(ServiceClient(), options).Extract()
 	th.AssertNoErr(t, err)
 
@@ -167,6 +167,6 @@
 		w.WriteHeader(http.StatusAccepted)
 	})
 
-	res := Delete(ServiceClient(), "d32019d3-bc6e-4319-9c1d-6722fc136a22")
-	th.AssertNoErr(t, res.Err)
+	err := Delete(ServiceClient(), "d32019d3-bc6e-4319-9c1d-6722fc136a22")
+	th.AssertNoErr(t, err)
 }
diff --git a/openstack/blockstorage/v1/volumetypes/results.go b/openstack/blockstorage/v1/volumetypes/results.go
index 54847be..fa10ae7 100644
--- a/openstack/blockstorage/v1/volumetypes/results.go
+++ b/openstack/blockstorage/v1/volumetypes/results.go
@@ -66,5 +66,3 @@
 type CreateResult struct {
 	commonResult
 }
-
-type DeleteResult commonResult