diff --git a/nexus/db-model/src/physical_disk.rs b/nexus/db-model/src/physical_disk.rs
index 93afdba89c..c40ebd9a9b 100644
--- a/nexus/db-model/src/physical_disk.rs
+++ b/nexus/db-model/src/physical_disk.rs
@@ -74,7 +74,6 @@ impl From<PhysicalDisk> for views::PhysicalDisk {
             vendor: disk.vendor,
             serial: disk.serial,
             model: disk.model,
-            disk_type: disk.variant.into(),
         }
     }
 }
diff --git a/nexus/db-model/src/physical_disk_kind.rs b/nexus/db-model/src/physical_disk_kind.rs
index a642f656a5..469ae4f085 100644
--- a/nexus/db-model/src/physical_disk_kind.rs
+++ b/nexus/db-model/src/physical_disk_kind.rs
@@ -3,7 +3,7 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 
 use super::impl_enum_type;
-use nexus_types::{external_api::views, internal_api};
+use nexus_types::internal_api;
 use serde::{Deserialize, Serialize};
 
 impl_enum_type!(
@@ -28,14 +28,3 @@ impl From<internal_api::params::PhysicalDiskKind> for PhysicalDiskKind {
         }
     }
 }
-
-impl From<PhysicalDiskKind> for views::PhysicalDiskType {
-    fn from(kind: PhysicalDiskKind) -> Self {
-        use views::PhysicalDiskType as api;
-        use PhysicalDiskKind as db;
-        match kind {
-            db::M2 => api::Internal,
-            db::U2 => api::External,
-        }
-    }
-}
diff --git a/nexus/tests/integration_tests/sleds.rs b/nexus/tests/integration_tests/sleds.rs
index de585b7b2d..4692d2aeb2 100644
--- a/nexus/tests/integration_tests/sleds.rs
+++ b/nexus/tests/integration_tests/sleds.rs
@@ -17,9 +17,7 @@ use nexus_test_utils::start_sled_agent;
 use nexus_test_utils::SLED_AGENT_UUID;
 use nexus_test_utils_macros::nexus_test;
 use omicron_nexus::external_api::views::SledInstance;
-use omicron_nexus::external_api::views::{
-    PhysicalDisk, PhysicalDiskType, Sled,
-};
+use omicron_nexus::external_api::views::{PhysicalDisk, Sled};
 use omicron_nexus::internal_api::params as internal_params;
 use omicron_sled_agent::sim;
 use std::str::FromStr;
@@ -124,7 +122,6 @@ async fn test_physical_disk_create_list_delete(
     assert_eq!(disks[0].vendor, "v");
     assert_eq!(disks[0].serial, "s");
     assert_eq!(disks[0].model, "m");
-    assert_eq!(disks[0].disk_type, PhysicalDiskType::External);
 
     // Delete that disk using the internal API, observe it in the external API
     delete_physical_disk(&internal_client, "v", "s", "m", sled_id).await;
diff --git a/nexus/types/src/external_api/views.rs b/nexus/types/src/external_api/views.rs
index 2fe9450a7f..628be8c15b 100644
--- a/nexus/types/src/external_api/views.rs
+++ b/nexus/types/src/external_api/views.rs
@@ -325,13 +325,6 @@ pub struct Switch {
 
 // PHYSICAL DISKS
 
-#[derive(Clone, Debug, Deserialize, Eq, PartialEq, Serialize, JsonSchema)]
-#[serde(rename_all = "snake_case")]
-pub enum PhysicalDiskType {
-    Internal,
-    External,
-}
-
 /// View of a Physical Disk
 ///
 /// Physical disks reside in a particular sled and are used to store both
@@ -347,8 +340,6 @@ pub struct PhysicalDisk {
     pub vendor: String,
     pub serial: String,
     pub model: String,
-
-    pub disk_type: PhysicalDiskType,
 }
 
 // SILO USERS
diff --git a/openapi/nexus.json b/openapi/nexus.json
index 537e5280c2..947a757dec 100644
--- a/openapi/nexus.json
+++ b/openapi/nexus.json
@@ -10588,9 +10588,6 @@
         "description": "View of a Physical Disk\n\nPhysical disks reside in a particular sled and are used to store both Instance Disk data as well as internal metadata.",
         "type": "object",
         "properties": {
-          "disk_type": {
-            "$ref": "#/components/schemas/PhysicalDiskType"
-          },
           "id": {
             "description": "unique, immutable, system-controlled identifier for each resource",
             "type": "string",
@@ -10623,7 +10620,6 @@
           }
         },
         "required": [
-          "disk_type",
           "id",
           "model",
           "serial",
@@ -10653,13 +10649,6 @@
           "items"
         ]
       },
-      "PhysicalDiskType": {
-        "type": "string",
-        "enum": [
-          "internal",
-          "external"
-        ]
-      },
       "Project": {
         "description": "View of a Project",
         "type": "object",