diff --git a/apps/gittensory-ui/public/openapi.json b/apps/gittensory-ui/public/openapi.json
index 3c8a50fff1..e6515b011d 100644
--- a/apps/gittensory-ui/public/openapi.json
+++ b/apps/gittensory-ui/public/openapi.json
@@ -3862,13 +3862,6 @@
                   "enabled"
                 ]
               },
-              "gateCheckMode": {
-                "type": "string",
-                "enum": [
-                  "off",
-                  "enabled"
-                ]
-              },
               "reviewCheckMode": {
                 "type": "string",
                 "enum": [
@@ -9742,13 +9735,6 @@
                         "enabled"
                       ]
                     },
-                    "gateCheckMode": {
-                      "type": "string",
-                      "enum": [
-                        "off",
-                        "enabled"
-                      ]
-                    },
                     "reviewCheckMode": {
                       "type": "string",
                       "enum": [
@@ -10170,13 +10156,6 @@
                   "standard"
                 ]
               },
-              "gateCheckMode": {
-                "type": "string",
-                "enum": [
-                  "off",
-                  "enabled"
-                ]
-              },
               "regateSweepOrderMode": {
                 "type": "string",
                 "enum": [
diff --git a/src/openapi/schemas.ts b/src/openapi/schemas.ts
index 00d896473f..ea90a74d2f 100644
--- a/src/openapi/schemas.ts
+++ b/src/openapi/schemas.ts
@@ -887,9 +887,6 @@ export const RepoSettingsPreviewSchema = z
       publicSignalLevel: z.enum(["minimal", "standard"]),
       checkRunMode: z.enum(["off", "enabled"]),
       checkRunDetailLevel: z.enum(["minimal", "standard"]),
-      // @deprecated (#4618, tracked for removal in #5373): computed read-back of reviewCheckMode kept only
-      // for API/dashboard back-compat display -- read reviewCheckMode instead.
-      gateCheckMode: z.enum(["off", "enabled"]).optional(),
       regateSweepOrderMode: z.enum(["staleness", "oldest-first"]),
       reviewCheckMode: z.enum(["required", "visible", "disabled"]),
       autoProjectMilestoneMatch: z.enum(["off", "suggest", "auto"]).optional(),
@@ -1292,9 +1289,6 @@ export const InstallationRepairSchema = z
           commentMode: z.enum(["off", "detected_contributors_only", "all_prs"]),
           publicAudienceMode: z.enum(["oss_maintainer", "gittensor_only"]),
           checkRunMode: z.enum(["off", "enabled"]),
-          // @deprecated (#4618, tracked for removal in #5373): computed read-back of reviewCheckMode kept only
-          // for API/dashboard back-compat display -- read reviewCheckMode instead.
-          gateCheckMode: z.enum(["off", "enabled"]).optional(),
           reviewCheckMode: z.enum(["required", "visible", "disabled"]),
           autoProjectMilestoneMatch: z.enum(["off", "suggest", "auto"]).optional(),
           autoProjectMilestoneMatchBackend: z.enum(["github", "linear"]).optional(),
@@ -2213,9 +2207,6 @@ export const RegistrationReadinessSchema = z
       commentMode: z.enum(["off", "detected_contributors_only", "all_prs"]),
       publicAudienceMode: z.enum(["oss_maintainer", "gittensor_only"]),
       checkRunMode: z.enum(["off", "enabled"]),
-      // @deprecated (#4618, tracked for removal in #5373): computed read-back of reviewCheckMode kept only
-      // for API/dashboard back-compat display -- read reviewCheckMode instead.
-      gateCheckMode: z.enum(["off", "enabled"]).optional(),
       reviewCheckMode: z.enum(["required", "visible", "disabled"]),
       autoProjectMilestoneMatch: z.enum(["off", "suggest", "auto"]).optional(),
       autoProjectMilestoneMatchBackend: z.enum(["github", "linear"]).optional(),
diff --git a/src/signals/registration-readiness.ts b/src/signals/registration-readiness.ts
index 42c9416254..7b3f15aac9 100644
--- a/src/signals/registration-readiness.ts
+++ b/src/signals/registration-readiness.ts
@@ -36,9 +36,6 @@ export type GithubAppBehavior = {
   commentMode: RepositorySettings["commentMode"];
   publicAudienceMode: RepositorySettings["publicAudienceMode"];
   checkRunMode: RepositorySettings["checkRunMode"];
-  /** @deprecated (#4618, tracked for removal in #5373) computed read-back of {@link reviewCheckMode} kept
-   *  only for API/dashboard back-compat display -- read `reviewCheckMode` instead. */
-  gateCheckMode: RepositorySettings["gateCheckMode"];
   reviewCheckMode: RepositorySettings["reviewCheckMode"];
   quietByDefault: boolean;
   behavior: string;
@@ -132,7 +129,6 @@ function buildGithubAppBehavior(repo: RepositoryRecord | null, settings: Reposit
     commentMode: settings.commentMode,
     publicAudienceMode: settings.publicAudienceMode,
     checkRunMode: settings.checkRunMode,
-    gateCheckMode: settings.gateCheckMode,
     reviewCheckMode: settings.reviewCheckMode,
     quietByDefault,
     behavior: !installed
diff --git a/src/signals/settings-preview.ts b/src/signals/settings-preview.ts
index c0bc9546da..ccbd2022c9 100644
--- a/src/signals/settings-preview.ts
+++ b/src/signals/settings-preview.ts
@@ -191,9 +191,6 @@ export type RepoSettingsPreview = {
     publicSignalLevel: RepositorySettings["publicSignalLevel"];
     checkRunMode: RepositorySettings["checkRunMode"];
     checkRunDetailLevel: RepositorySettings["checkRunDetailLevel"];
-    /** @deprecated (#4618, tracked for removal in #5373) computed read-back of {@link reviewCheckMode}
-     *  kept only for API/dashboard back-compat display -- read `reviewCheckMode` instead. */
-    gateCheckMode: RepositorySettings["gateCheckMode"];
     regateSweepOrderMode: RepositorySettings["regateSweepOrderMode"];
     reviewCheckMode: RepositorySettings["reviewCheckMode"];
     gatePack: RepositorySettings["gatePack"];
@@ -328,7 +325,6 @@ export function buildRepoSettingsPreview(args: {
       publicSignalLevel: settings.publicSignalLevel,
       checkRunMode: settings.checkRunMode,
       checkRunDetailLevel: settings.checkRunDetailLevel,
-      gateCheckMode: settings.gateCheckMode,
       regateSweepOrderMode: settings.regateSweepOrderMode,
       reviewCheckMode: settings.reviewCheckMode,
       gatePack: settings.gatePack,
diff --git a/test/unit/self-dogfood-registration-pack.test.ts b/test/unit/self-dogfood-registration-pack.test.ts
index 043ad8e8d4..9515ff46b6 100644
--- a/test/unit/self-dogfood-registration-pack.test.ts
+++ b/test/unit/self-dogfood-registration-pack.test.ts
@@ -54,7 +54,6 @@ function settingsFor(repoFullName: string, overrides: Partial<RepositorySettings
     publicSignalLevel: "standard",
     checkRunMode: "enabled",
     checkRunDetailLevel: "standard",
-    gateCheckMode: "off",
     regateSweepOrderMode: "staleness",
     reviewCheckMode: "disabled",
     gatePack: "gittensor",
@@ -170,7 +169,6 @@ function readinessFixture(overrides: Partial<RegistrationReadinessReport> = {}):
       commentMode: "all_prs",
       publicAudienceMode: "oss_maintainer",
       checkRunMode: "off",
-      gateCheckMode: "off",
       reviewCheckMode: "disabled",
       quietByDefault: false,
       behavior: "Gittensory would stay silent because the GitHub App is not installed.",
@@ -367,7 +365,6 @@ describe("buildSelfDogfoodRegistrationPack", () => {
           commentMode: "all_prs",
           publicAudienceMode: "oss_maintainer",
           checkRunMode: "off",
-          gateCheckMode: "off",
           reviewCheckMode: "disabled",
           quietByDefault: false,
           behavior: "Gittensory posts comment and label in oss maintainer mode, for all PRs.",