diff --git a/codex-rs/app-server-protocol/schema/json/codex_app_server_protocol.schemas.json b/codex-rs/app-server-protocol/schema/json/codex_app_server_protocol.schemas.json
index a58737477f..66085bccfb 100644
--- a/codex-rs/app-server-protocol/schema/json/codex_app_server_protocol.schemas.json
+++ b/codex-rs/app-server-protocol/schema/json/codex_app_server_protocol.schemas.json
@@ -9821,12 +9821,6 @@
           },
           "trustStatus": {
             "$ref": "#/definitions/v2/HookTrustStatus"
-          },
-          "trustedHash": {
-            "type": [
-              "string",
-              "null"
-            ]
           }
         },
         "required": [
diff --git a/codex-rs/app-server-protocol/schema/json/codex_app_server_protocol.v2.schemas.json b/codex-rs/app-server-protocol/schema/json/codex_app_server_protocol.v2.schemas.json
index e39fa43a16..d53ad20a08 100644
--- a/codex-rs/app-server-protocol/schema/json/codex_app_server_protocol.v2.schemas.json
+++ b/codex-rs/app-server-protocol/schema/json/codex_app_server_protocol.v2.schemas.json
@@ -6430,12 +6430,6 @@
         },
         "trustStatus": {
           "$ref": "#/definitions/HookTrustStatus"
-        },
-        "trustedHash": {
-          "type": [
-            "string",
-            "null"
-          ]
         }
       },
       "required": [
diff --git a/codex-rs/app-server-protocol/schema/json/v2/HooksListResponse.json b/codex-rs/app-server-protocol/schema/json/v2/HooksListResponse.json
index b61f1f173a..ae9cd9e63c 100644
--- a/codex-rs/app-server-protocol/schema/json/v2/HooksListResponse.json
+++ b/codex-rs/app-server-protocol/schema/json/v2/HooksListResponse.json
@@ -100,12 +100,6 @@
         },
         "trustStatus": {
           "$ref": "#/definitions/HookTrustStatus"
-        },
-        "trustedHash": {
-          "type": [
-            "string",
-            "null"
-          ]
         }
       },
       "required": [
diff --git a/codex-rs/app-server-protocol/schema/typescript/v2/HookMetadata.ts b/codex-rs/app-server-protocol/schema/typescript/v2/HookMetadata.ts
index da4f068a2f..94e3c30c92 100644
--- a/codex-rs/app-server-protocol/schema/typescript/v2/HookMetadata.ts
+++ b/codex-rs/app-server-protocol/schema/typescript/v2/HookMetadata.ts
@@ -7,4 +7,4 @@ import type { HookHandlerType } from "./HookHandlerType";
 import type { HookSource } from "./HookSource";
 import type { HookTrustStatus } from "./HookTrustStatus";
 
-export type HookMetadata = { key: string, eventName: HookEventName, handlerType: HookHandlerType, matcher: string | null, command: string | null, timeoutSec: bigint, statusMessage: string | null, sourcePath: AbsolutePathBuf, source: HookSource, pluginId: string | null, displayOrder: bigint, enabled: boolean, isManaged: boolean, currentHash: string, trustedHash: string | null, trustStatus: HookTrustStatus, };
+export type HookMetadata = { key: string, eventName: HookEventName, handlerType: HookHandlerType, matcher: string | null, command: string | null, timeoutSec: bigint, statusMessage: string | null, sourcePath: AbsolutePathBuf, source: HookSource, pluginId: string | null, displayOrder: bigint, enabled: boolean, isManaged: boolean, currentHash: string, trustStatus: HookTrustStatus, };
diff --git a/codex-rs/app-server-protocol/src/protocol/v2.rs b/codex-rs/app-server-protocol/src/protocol/v2.rs
index 8ab59906dd..d2ecd4abf1 100644
--- a/codex-rs/app-server-protocol/src/protocol/v2.rs
+++ b/codex-rs/app-server-protocol/src/protocol/v2.rs
@@ -4807,7 +4807,6 @@ pub struct HookMetadata {
     pub enabled: bool,
     pub is_managed: bool,
     pub current_hash: String,
-    pub trusted_hash: Option<String>,
     pub trust_status: HookTrustStatus,
 }
 
diff --git a/codex-rs/app-server/README.md b/codex-rs/app-server/README.md
index 0184785c62..a885e136c8 100644
--- a/codex-rs/app-server/README.md
+++ b/codex-rs/app-server/README.md
@@ -1461,7 +1461,7 @@ Use `hooks/list` to fetch discovered hooks for one or more `cwds`. Each result i
 
 Hooks are returned even when disabled so clients can render and re-enable them. User-controlled state lives under `hooks.state`. Managed hooks are non-configurable, and user entries for managed hook keys are ignored during loading.
 
-For unmanaged hooks, `currentHash`, `trustedHash`, and `trustStatus` describe whether the current definition is first-seen, approved, or changed since approval. Only trusted unmanaged hooks become runnable. Hook keys combine the source identity with a trailing event/group/handler selector that is currently positional.
+For unmanaged hooks, `currentHash` and `trustStatus` describe whether the current definition is first-seen, approved, or changed since approval. Only trusted unmanaged hooks become runnable. Hook keys combine the source identity with a trailing event/group/handler selector that is currently positional.
 
 ```json
 {
@@ -1494,7 +1494,6 @@ For unmanaged hooks, `currentHash`, `trustedHash`, and `trustStatus` describe wh
         "displayOrder": 0,
         "enabled": true,
         "currentHash": "sha256:...",
-        "trustedHash": null,
         "trustStatus": "untrusted"
       }],
       "warnings": [],
diff --git a/codex-rs/app-server/src/codex_message_processor.rs b/codex-rs/app-server/src/codex_message_processor.rs
index e34263c8c5..501698b12d 100644
--- a/codex-rs/app-server/src/codex_message_processor.rs
+++ b/codex-rs/app-server/src/codex_message_processor.rs
@@ -8852,7 +8852,6 @@ fn hooks_to_info(hooks: &[codex_hooks::HookListEntry]) -> Vec<HookMetadata> {
             enabled: hook.enabled,
             is_managed: hook.is_managed,
             current_hash: hook.current_hash.clone(),
-            trusted_hash: hook.trusted_hash.clone(),
             trust_status: hook.trust_status.into(),
         })
         .collect()
diff --git a/codex-rs/app-server/tests/suite/v2/hooks_list.rs b/codex-rs/app-server/tests/suite/v2/hooks_list.rs
index 740b752b23..49430451da 100644
--- a/codex-rs/app-server/tests/suite/v2/hooks_list.rs
+++ b/codex-rs/app-server/tests/suite/v2/hooks_list.rs
@@ -164,7 +164,6 @@ async fn hooks_list_shows_discovered_hook() -> Result<()> {
                     /*timeout_sec*/ 5,
                     Some("running listed hook"),
                 ),
-                trusted_hash: None,
                 trust_status: HookTrustStatus::Untrusted,
             }],
             warnings: Vec::new(),
@@ -243,7 +242,6 @@ async fn hooks_list_shows_discovered_plugin_hook() -> Result<()> {
                     /*timeout_sec*/ 7,
                     Some("running plugin hook"),
                 ),
-                trusted_hash: None,
                 trust_status: HookTrustStatus::Untrusted,
             }],
             warnings: Vec::new(),
@@ -369,7 +367,6 @@ timeout = 5
                         /*timeout_sec*/ 5,
                         /*status_message*/ None,
                     ),
-                    trusted_hash: None,
                     trust_status: HookTrustStatus::Untrusted,
                 }],
                 warnings: Vec::new(),
diff --git a/codex-rs/hooks/src/engine/discovery.rs b/codex-rs/hooks/src/engine/discovery.rs
index d8a5588c4a..c044869462 100644
--- a/codex-rs/hooks/src/engine/discovery.rs
+++ b/codex-rs/hooks/src/engine/discovery.rs
@@ -71,6 +71,7 @@ pub(crate) fn discover_handlers(
             /*include_disabled*/ false,
         ) {
             let hook_source = hook_source_for_config_layer_source(&layer.name);
+            let is_managed = is_managed_config_layer_source(&layer.name);
             let json_hooks = load_hooks_json(layer.config_folder().as_deref(), &mut warnings);
             let toml_hooks = load_toml_hooks_from_layer(layer, &mut warnings);
 
@@ -96,7 +97,7 @@ pub(crate) fn discover_handlers(
                         path: &source_path,
                         key_source: source_path.display().to_string(),
                         source: hook_source,
-                        is_managed: hook_source.is_managed(),
+                        is_managed,
                         hook_states: &hook_states,
                         env: HashMap::new(),
                         plugin_id: None,
@@ -422,13 +423,10 @@ fn append_matcher_groups(
                         handler_index
                     );
                     let state = source.hook_states.get(&key);
-                    let enabled =
-                        source.is_managed || state.and_then(|state| state.enabled) != Some(false);
-                    let trusted_hash = (!source.is_managed)
-                        .then(|| state.and_then(|state| state.trusted_hash.clone()))
-                        .flatten();
+                    let enabled = hook_enabled(source.is_managed, state);
+                    let trusted_hash = hook_trusted_hash(source.is_managed, state);
                     let trust_status =
-                        hook_trust_status(source.is_managed, &current_hash, &trusted_hash);
+                        hook_trust_status(source.is_managed, &current_hash, trusted_hash);
                     hook_entries.push(HookListEntry {
                         key,
                         event_name,
@@ -444,7 +442,6 @@ fn append_matcher_groups(
                         enabled,
                         is_managed: source.is_managed,
                         current_hash,
-                        trusted_hash,
                         trust_status,
                     });
                     if enabled
@@ -537,12 +534,12 @@ fn hook_event_key_label(event_name: codex_protocol::protocol::HookEventName) ->
 fn hook_trust_status(
     is_managed: bool,
     current_hash: &str,
-    trusted_hash: &Option<String>,
+    trusted_hash: Option<&str>,
 ) -> HookTrustStatus {
     if is_managed {
         HookTrustStatus::Managed
     } else {
-        match trusted_hash.as_deref() {
+        match trusted_hash {
             Some(trusted_hash) if trusted_hash == current_hash => HookTrustStatus::Trusted,
             Some(_) => HookTrustStatus::Modified,
             None => HookTrustStatus::Untrusted,
@@ -550,6 +547,16 @@ fn hook_trust_status(
     }
 }
 
+fn hook_enabled(is_managed: bool, state: Option<&HookStateToml>) -> bool {
+    is_managed || state.and_then(|state| state.enabled) != Some(false)
+}
+
+fn hook_trusted_hash(is_managed: bool, state: Option<&HookStateToml>) -> Option<&str> {
+    (!is_managed)
+        .then(|| state.and_then(|state| state.trusted_hash.as_deref()))
+        .flatten()
+}
+
 fn hook_source_for_config_layer_source(source: &ConfigLayerSource) -> HookSource {
     match source {
         ConfigLayerSource::System { .. } => HookSource::System,
@@ -564,6 +571,16 @@ fn hook_source_for_config_layer_source(source: &ConfigLayerSource) -> HookSource
     }
 }
 
+fn is_managed_config_layer_source(source: &ConfigLayerSource) -> bool {
+    matches!(
+        source,
+        ConfigLayerSource::System { .. }
+            | ConfigLayerSource::Mdm { .. }
+            | ConfigLayerSource::LegacyManagedConfigTomlFromFile { .. }
+            | ConfigLayerSource::LegacyManagedConfigTomlFromMdm
+    )
+}
+
 fn hook_source_for_requirement_source(source: Option<&RequirementSource>) -> HookSource {
     match source {
         Some(RequirementSource::MdmManagedPreferences { .. }) => HookSource::Mdm,
@@ -610,12 +627,11 @@ mod tests {
         path: &'a AbsolutePathBuf,
         hook_states: &'a std::collections::HashMap<String, HookStateToml>,
     ) -> super::HookHandlerSource<'a> {
-        let source = hook_source();
         super::HookHandlerSource {
             path,
             key_source: path.display().to_string(),
-            source,
-            is_managed: source.is_managed(),
+            source: hook_source(),
+            is_managed: true,
             hook_states,
             env: std::collections::HashMap::new(),
             plugin_id: None,
diff --git a/codex-rs/hooks/src/engine/mod.rs b/codex-rs/hooks/src/engine/mod.rs
index 63bf4b371b..dcc260eba2 100644
--- a/codex-rs/hooks/src/engine/mod.rs
+++ b/codex-rs/hooks/src/engine/mod.rs
@@ -85,7 +85,6 @@ pub struct HookListEntry {
     pub enabled: bool,
     pub is_managed: bool,
     pub current_hash: String,
-    pub trusted_hash: Option<String>,
     pub trust_status: HookTrustStatus,
 }
 
diff --git a/codex-rs/hooks/src/engine/mod_tests.rs b/codex-rs/hooks/src/engine/mod_tests.rs
index 88bcb6ec30..ea6bbe6a22 100644
--- a/codex-rs/hooks/src/engine/mod_tests.rs
+++ b/codex-rs/hooks/src/engine/mod_tests.rs
@@ -226,7 +226,6 @@ fn unknown_requirement_source_hooks_stay_managed() {
     assert_eq!(discovered.hook_entries[0].source, HookSource::Unknown);
     assert_eq!(discovered.hook_entries[0].enabled, true);
     assert_eq!(discovered.hook_entries[0].is_managed, true);
-    assert_eq!(discovered.hook_entries[0].trusted_hash, None);
     assert_eq!(
         discovered.hook_entries[0].trust_status,
         HookTrustStatus::Managed
@@ -391,7 +390,6 @@ fn unmanaged_hook_trust_status_tracks_stored_hash() {
         untrusted.hook_entries[0].trust_status,
         HookTrustStatus::Untrusted
     );
-    assert_eq!(untrusted.hook_entries[0].trusted_hash, None);
     assert_eq!(untrusted.handlers, Vec::new());
 
     let current_hash = untrusted.hook_entries[0].current_hash.clone();
@@ -403,7 +401,7 @@ fn unmanaged_hook_trust_status_tracks_stored_hash() {
                 &key,
                 HookStateToml {
                     enabled: None,
-                    trusted_hash: Some(current_hash.clone()),
+                    trusted_hash: Some(current_hash),
                 },
             ),
         )],
@@ -417,7 +415,6 @@ fn unmanaged_hook_trust_status_tracks_stored_hash() {
         trusted.hook_entries[0].trust_status,
         HookTrustStatus::Trusted
     );
-    assert_eq!(trusted.hook_entries[0].trusted_hash, Some(current_hash));
     assert_eq!(trusted.handlers.len(), 1);
 
     let changed_stack = ConfigLayerStack::new(
@@ -444,10 +441,6 @@ fn unmanaged_hook_trust_status_tracks_stored_hash() {
         changed.hook_entries[0].trust_status,
         HookTrustStatus::Modified
     );
-    assert_eq!(
-        changed.hook_entries[0].trusted_hash.as_deref(),
-        Some("sha256:old")
-    );
     assert_eq!(changed.handlers, Vec::new());
 }
 
diff --git a/codex-rs/protocol/src/protocol.rs b/codex-rs/protocol/src/protocol.rs
index b63c513856..4bb3ddb065 100644
--- a/codex-rs/protocol/src/protocol.rs
+++ b/codex-rs/protocol/src/protocol.rs
@@ -1559,21 +1559,6 @@ pub enum HookSource {
     Unknown,
 }
 
-impl HookSource {
-    /// Returns whether hooks from this source are managed and therefore not
-    /// user-configurable.
-    pub fn is_managed(self) -> bool {
-        matches!(
-            self,
-            Self::System
-                | Self::Mdm
-                | Self::CloudRequirements
-                | Self::LegacyManagedConfigFile
-                | Self::LegacyManagedConfigMdm
-        )
-    }
-}
-
 #[derive(Debug, Clone, Copy, Deserialize, Serialize, PartialEq, Eq, JsonSchema, TS)]
 #[serde(rename_all = "snake_case")]
 pub enum HookTrustStatus {
@@ -3965,20 +3950,6 @@ mod tests {
     use tempfile::NamedTempFile;
     use tempfile::TempDir;
 
-    #[test]
-    fn hook_source_managedness_is_source_derived() {
-        assert_eq!(HookSource::System.is_managed(), true);
-        assert_eq!(HookSource::Mdm.is_managed(), true);
-        assert_eq!(HookSource::CloudRequirements.is_managed(), true);
-        assert_eq!(HookSource::LegacyManagedConfigFile.is_managed(), true);
-        assert_eq!(HookSource::LegacyManagedConfigMdm.is_managed(), true);
-        assert_eq!(HookSource::User.is_managed(), false);
-        assert_eq!(HookSource::Project.is_managed(), false);
-        assert_eq!(HookSource::SessionFlags.is_managed(), false);
-        assert_eq!(HookSource::Plugin.is_managed(), false);
-        assert_eq!(HookSource::Unknown.is_managed(), false);
-    }
-
     fn sorted_writable_roots(roots: Vec<WritableRoot>) -> Vec<(PathBuf, Vec<PathBuf>)> {
         let mut sorted_roots: Vec<(PathBuf, Vec<PathBuf>)> = roots
             .into_iter()
diff --git a/codex-rs/tui/src/bottom_pane/hooks_browser_view.rs b/codex-rs/tui/src/bottom_pane/hooks_browser_view.rs
index d149f18c9d..78fca8e745 100644
--- a/codex-rs/tui/src/bottom_pane/hooks_browser_view.rs
+++ b/codex-rs/tui/src/bottom_pane/hooks_browser_view.rs
@@ -725,8 +725,7 @@ mod tests {
             plugin_id: plugin_id.map(str::to_string),
             display_order,
             enabled,
-            current_hash: current_hash.clone(),
-            trusted_hash: (!is_managed).then_some(current_hash),
+            current_hash,
             trust_status: if is_managed {
                 HookTrustStatus::Managed
             } else {
@@ -821,7 +820,6 @@ mod tests {
             /*is_managed*/ false,
             /*display_order*/ 0,
         );
-        untrusted_hook.trusted_hash = None;
         untrusted_hook.trust_status = HookTrustStatus::Untrusted;
         let mut view = HooksBrowserView::new(
             vec![untrusted_hook],
@@ -1001,7 +999,6 @@ mod tests {
             /*is_managed*/ false,
             /*display_order*/ 0,
         );
-        untrusted_hook.trusted_hash = None;
         untrusted_hook.trust_status = HookTrustStatus::Untrusted;
         let view = HooksBrowserView::new(
             vec![untrusted_hook],