diff --git a/builtin/providers/google/resource_compute_snapshot.go b/builtin/providers/google/resource_compute_snapshot.go
index 9f5643a12..e8a4df452 100644
--- a/builtin/providers/google/resource_compute_snapshot.go
+++ b/builtin/providers/google/resource_compute_snapshot.go
@@ -53,17 +53,7 @@ func resourceComputeSnapshot() *schema.Resource {
 				Computed: true,
 			},
 
-			"source_disk_id": &schema.Schema{
-				Type:     schema.TypeString,
-				Computed: true,
-			},
-
 			"source_disk": &schema.Schema{
-				Type:     schema.TypeString,
-				Computed: true,
-			},
-
-			"disk": &schema.Schema{
 				Type:     schema.TypeString,
 				Required: true,
 				ForceNew: true,
@@ -96,7 +86,7 @@ func resourceComputeSnapshotCreate(d *schema.ResourceData, meta interface{}) err
 		Name: d.Get("name").(string),
 	}
 
-	disk := d.Get("disk").(string)
+	source_disk := d.Get("source_disk").(string)
 
 	if v, ok := d.GetOk("snapshot_encryption_key_raw"); ok {
 		snapshot.SnapshotEncryptionKey = &compute.CustomerEncryptionKey{}
@@ -109,7 +99,7 @@ func resourceComputeSnapshotCreate(d *schema.ResourceData, meta interface{}) err
 	}
 
 	op, err := config.clientCompute.Disks.CreateSnapshot(
-		project, d.Get("zone").(string), disk, snapshot).Do()
+		project, d.Get("zone").(string), source_disk, snapshot).Do()
 	if err != nil {
 		return fmt.Errorf("Error creating snapshot: %s", err)
 	}
@@ -156,8 +146,6 @@ func resourceComputeSnapshotRead(d *schema.ResourceData, meta interface{}) error
 		d.Set("source_disk_encryption_key_sha256", snapshot.SourceDiskEncryptionKey.Sha256)
 	}
 
-	d.Set("source_disk_id", snapshot.SourceDiskId)
-
 	d.Set("source_disk", snapshot.SourceDisk)
 
 	return nil
diff --git a/website/source/docs/providers/google/r/compute_snapshot.html.markdown b/website/source/docs/providers/google/r/compute_snapshot.html.markdown
index 96306d600..d4d343df0 100644
--- a/website/source/docs/providers/google/r/compute_snapshot.html.markdown
+++ b/website/source/docs/providers/google/r/compute_snapshot.html.markdown
@@ -15,7 +15,7 @@ Creates a new snapshot of a disk within GCE.
 ```js
 resource "google_compute_snapshot" "default" {
   name  = "test-snapshot"
-  disk  = "test-disk"
+  source_disk  = "test-disk"
   zone  = "us-central1-a"
 }
 ```
@@ -29,11 +29,11 @@ The following arguments are supported:
 
 * `zone` - (Required) The zone where the source disk is located.
 
-* `disk` - (Required) The disk which will be used as the source of the snapshot
+* `source_disk` - (Required) The disk which will be used as the source of the snapshot
 
 - - -
 
-* `sourcedisk_encryption_key_raw` - (Optional) A 256-bit [customer-supplied encryption key]
+* `source_disk_encryption_key_raw` - (Optional) A 256-bit [customer-supplied encryption key]
     (https://cloud.google.com/compute/docs/disks/customer-supplied-encryption),
     encoded in [RFC 4648 base64](https://tools.ietf.org/html/rfc4648#section-4)
     to decrypt the source disk.
@@ -56,15 +56,9 @@ exported:
     [customer-supplied encryption key](https://cloud.google.com/compute/docs/disks/customer-supplied-encryption)
     that protects this resource.
 
-* `sourcedisk_encryption_key_sha256` - The [RFC 4648 base64]
+* `source_disk_encryption_key_sha256` - The [RFC 4648 base64]
     (https://tools.ietf.org/html/rfc4648#section-4) encoded SHA-256 hash of the
     [customer-supplied encryption key](https://cloud.google.com/compute/docs/disks/customer-supplied-encryption)
     that protects the source disk.
 
-* `sourcedisk_id` - The ID value of the source disk used to create this snapshot.
-    This value may be used to determine whether the snapshot was taken from the
-    current or a previous instance of a given disk name.
-
-* `sourcedisk` - The source disk used to create this snapshot.
-
 * `self_link` - The URI of the created resource.