diff --git a/acceptance/openstack/sharedfilesystems/v2/sharetypes_test.go b/acceptance/openstack/sharedfilesystems/v2/sharetypes_test.go
index d54b3f7..1209443 100644
--- a/acceptance/openstack/sharedfilesystems/v2/sharetypes_test.go
+++ b/acceptance/openstack/sharedfilesystems/v2/sharetypes_test.go
@@ -95,6 +95,20 @@
 		t.Fatal("my_new_key was expected to be equal to my_value")
 	}
 
+	err = sharetypes.UnsetExtraSpecs(client, shareType.ID, "my_new_key").ExtractErr()
+	if err != nil {
+		t.Fatalf("Unable to unset extra specs for Share type: %s", shareType.Name)
+	}
+
+	extraSpecs, err = sharetypes.GetExtraSpecs(client, shareType.ID).Extract()
+	if err != nil {
+		t.Fatalf("Unable to retrieve share type: %s", shareType.Name)
+	}
+
+	if _, ok := extraSpecs["my_new_key"]; ok {
+		t.Fatalf("my_new_key was expected to be unset for Share type: %s", shareType.Name)
+	}
+
 	PrintShareType(t, shareType)
 
 	defer DeleteShareType(t, client, shareType)
diff --git a/openstack/sharedfilesystems/v2/sharetypes/requests.go b/openstack/sharedfilesystems/v2/sharetypes/requests.go
index 0b6744b..dca43af 100644
--- a/openstack/sharedfilesystems/v2/sharetypes/requests.go
+++ b/openstack/sharedfilesystems/v2/sharetypes/requests.go
@@ -137,3 +137,9 @@
 	})
 	return
 }
+
+// UnsetExtraSpecs will unset an extra specification for an existing ShareType.
+func UnsetExtraSpecs(client *gophercloud.ServiceClient, id string, key string) (r UnsetExtraSpecsResult) {
+	_, r.Err = client.Delete(unsetExtraSpecsURL(client, id, key), nil)
+	return
+}
diff --git a/openstack/sharedfilesystems/v2/sharetypes/results.go b/openstack/sharedfilesystems/v2/sharetypes/results.go
index 9388b52..6caac40 100644
--- a/openstack/sharedfilesystems/v2/sharetypes/results.go
+++ b/openstack/sharedfilesystems/v2/sharetypes/results.go
@@ -95,3 +95,8 @@
 type SetExtraSpecsResult struct {
 	extraSpecsResult
 }
+
+// UnsetExtraSpecsResult contains the response body and error from a Unset Extra Specs request.
+type UnsetExtraSpecsResult struct {
+	gophercloud.ErrResult
+}
diff --git a/openstack/sharedfilesystems/v2/sharetypes/testing/fixtures.go b/openstack/sharedfilesystems/v2/sharetypes/testing/fixtures.go
index 6565ba5..4450cbf 100644
--- a/openstack/sharedfilesystems/v2/sharetypes/testing/fixtures.go
+++ b/openstack/sharedfilesystems/v2/sharetypes/testing/fixtures.go
@@ -207,3 +207,11 @@
         }`)
 	})
 }
+
+func MockUnsetExtraSpecsResponse(t *testing.T) {
+	th.Mux.HandleFunc("/types/shareTypeID/extra_specs/my_key", func(w http.ResponseWriter, r *http.Request) {
+		th.TestMethod(t, r, "DELETE")
+		th.TestHeader(t, r, "X-Auth-Token", fake.TokenID)
+		w.WriteHeader(http.StatusAccepted)
+	})
+}
diff --git a/openstack/sharedfilesystems/v2/sharetypes/testing/requests_test.go b/openstack/sharedfilesystems/v2/sharetypes/testing/requests_test.go
index d6576c3..aeb6771 100644
--- a/openstack/sharedfilesystems/v2/sharetypes/testing/requests_test.go
+++ b/openstack/sharedfilesystems/v2/sharetypes/testing/requests_test.go
@@ -151,3 +151,13 @@
 
 	th.AssertEquals(t, es["my_key"], "my_value")
 }
+
+// Verifies that an extra specification can be unset for a share type
+func TestUnsetExtraSpecs(t *testing.T) {
+	th.SetupHTTP()
+	defer th.TeardownHTTP()
+
+	MockUnsetExtraSpecsResponse(t)
+	res := sharetypes.UnsetExtraSpecs(client.ServiceClient(), "shareTypeID", "my_key")
+	th.AssertNoErr(t, res.Err)
+}
diff --git a/openstack/sharedfilesystems/v2/sharetypes/urls.go b/openstack/sharedfilesystems/v2/sharetypes/urls.go
index 848aac8..8bbc050 100644
--- a/openstack/sharedfilesystems/v2/sharetypes/urls.go
+++ b/openstack/sharedfilesystems/v2/sharetypes/urls.go
@@ -25,3 +25,7 @@
 func setExtraSpecsURL(c *gophercloud.ServiceClient, id string) string {
 	return getExtraSpecsURL(c, id)
 }
+
+func unsetExtraSpecsURL(c *gophercloud.ServiceClient, id string, key string) string {
+	return c.ServiceURL("types", id, "extra_specs", key)
+}