diff --git a/client-src/elements/chromedash-feature-detail.ts b/client-src/elements/chromedash-feature-detail.ts
index 9986f31a0a79..09ef6b49f0a6 100644
--- a/client-src/elements/chromedash-feature-detail.ts
+++ b/client-src/elements/chromedash-feature-detail.ts
@@ -35,7 +35,6 @@ import './chromedash-gate-chip';
 import {GateDict} from './chromedash-gate-chip';
 import {Process, ProgressItem} from './chromedash-gate-column';
 import {
-  DEPRECATED_FIELDS,
   GATE_ACTIVE_REVIEW_STATES,
   GATE_FINISHED_REVIEW_STATES,
   GATE_PREPARING,
@@ -387,11 +386,10 @@ export class ChromedashFeatureDetail extends LitElement {
   }
 
   renderField(fieldDef, feStage) {
-    const [fieldId, fieldDisplayName, fieldType] = fieldDef;
+    const [fieldId, fieldDisplayName, fieldType, deprecated] = fieldDef;
     const value = getFieldValueFromFeature(fieldId, feStage, this.feature);
     const isDefined = isDefinedValue(value);
-    const isDeprecatedField = DEPRECATED_FIELDS.has(fieldId);
-    if (!isDefined && isDeprecatedField) {
+    if (!isDefined && deprecated) {
       return nothing;
     }
 
diff --git a/client-src/elements/chromedash-form-field.ts b/client-src/elements/chromedash-form-field.ts
index 22d562cd4d7d..2f55eae9a40b 100644
--- a/client-src/elements/chromedash-form-field.ts
+++ b/client-src/elements/chromedash-form-field.ts
@@ -415,6 +415,9 @@ export class ChromedashFormField extends LitElement {
   }
 
   render() {
+    if (this.fieldProps.deprecated && !this.value) {
+      return nothing;
+    }
     const helpText =
       this.forEnterprise && this.fieldProps.enterprise_help_text !== undefined
         ? this.fieldProps.enterprise_help_text
diff --git a/client-src/elements/form-field-enums.ts b/client-src/elements/form-field-enums.ts
index 7f259d48d5f0..45c594ecc5e4 100644
--- a/client-src/elements/form-field-enums.ts
+++ b/client-src/elements/form-field-enums.ts
@@ -463,14 +463,6 @@ export const STAGE_FIELD_NAME_MAPPING: Record<string, string> = {
   r4dt_url: 'intent_thread_url',
 };
 
-export const DEPRECATED_FIELDS = new Set<string>([
-  'experiment_timeline',
-  'i2e_lgtms',
-  'i2s_lgtms',
-  'r4dt_lgtms',
-  'standardization',
-]);
-
 export const GATE_TYPES: Record<string, number> = {
   API_PROTOTYPE: 1,
   API_ORIGIN_TRIAL: 2,
diff --git a/client-src/elements/form-field-specs.ts b/client-src/elements/form-field-specs.ts
index 4a17e20550ed..eaa4adee6884 100644
--- a/client-src/elements/form-field-specs.ts
+++ b/client-src/elements/form-field-specs.ts
@@ -88,6 +88,7 @@ interface ResolvedField {
   >;
   displayLabel?: string;
   disabled?: boolean;
+  deprecated?: boolean;
 }
 
 interface Field extends ResolvedField {
@@ -1269,6 +1270,7 @@ export const ALL_FIELDS: Record<string, Field> = {
     label: 'Experiment Timeline',
     help_text: html` When does the experiment start and expire? Deprecated:
     Please use the numeric fields above instead.`,
+    deprecated: true,
   },
 
   ot_milestone_desktop_start: {
@@ -1684,6 +1686,7 @@ export const ALL_FIELDS: Record<string, Field> = {
     label: 'Intent to Experiment LGTM by',
     help_text: html` Full email address of API owner who LGTM'd the Intent to
     Experiment email thread.`,
+    deprecated: true,
   },
 
   i2s_lgtms: {
@@ -1699,6 +1702,7 @@ export const ALL_FIELDS: Record<string, Field> = {
       Comma separated list of email addresses of API owners who LGTM'd the
       Intent to Ship email thread.
     `,
+    deprecated: true,
   },
 
   r4dt_lgtms: {
@@ -1714,6 +1718,7 @@ export const ALL_FIELDS: Record<string, Field> = {
     label: 'Request for Deprecation Trial LGTM by',
     help_text: html` Full email addresses of API owners who LGTM'd the Request
     for Deprecation Trial email thread.`,
+    deprecated: true,
   },
 
   debuggability: {
@@ -2076,6 +2081,8 @@ export const ALL_FIELDS: Record<string, Field> = {
     label: 'Enterprise policies',
     help_text: html` List the policies that are being introduced, removed, or
     can be used to control the feature at this stage, if any.`,
+    disabled: true,
+    deprecated: true,
   },
 
   enterprise_feature_categories: {
@@ -2195,7 +2202,8 @@ function makeDisplaySpec(fieldName: string) {
   const displayName =
     fieldProps.label || fieldProps.displayLabel || makeHumanReadable(fieldName);
   const fieldType = categorizeFieldType(fieldProps);
-  return [fieldName, displayName, fieldType];
+  const deprecated = fieldProps.deprecated;
+  return [fieldName, displayName, fieldType, deprecated];
 }
 
 export function makeDisplaySpecs(fieldNames: string[]) {