diff --git a/.github/workflows/__export-file-baseline-information.yml b/.github/workflows/__export-file-baseline-information.yml
index 7badf827f..13d15fb6d 100644
--- a/.github/workflows/__export-file-baseline-information.yml
+++ b/.github/workflows/__export-file-baseline-information.yml
@@ -129,5 +129,4 @@ jobs:
     env:
       CODEQL_ACTION_SKIP_FILE_COVERAGE_ON_PRS: false
       CODEQL_ACTION_SUBLANGUAGE_FILE_COVERAGE: true
-      CODEQL_ACTION_PER_LANGUAGE_BUNDLES: true
       CODEQL_ACTION_TEST_MODE: true
diff --git a/.github/workflows/__per-language-bundle-validation.yml b/.github/workflows/__per-language-bundle-validation.yml
index 07930b35a..c320f2199 100644
--- a/.github/workflows/__per-language-bundle-validation.yml
+++ b/.github/workflows/__per-language-bundle-validation.yml
@@ -167,5 +167,4 @@ jobs:
           fi
           echo "Created a ${LANGUAGE} database at ${database}."
     env:
-      CODEQL_ACTION_PER_LANGUAGE_BUNDLES: true
       CODEQL_ACTION_TEST_MODE: true
diff --git a/lib/entry-points.js b/lib/entry-points.js
index dfa3adefc..8d9d423be 100644
--- a/lib/entry-points.js
+++ b/lib/entry-points.js
@@ -172145,11 +172145,6 @@ var featureConfig = {
     envVar: "CODEQL_ACTION_OVERLAY_ANALYSIS_SKIP_RESOURCE_CHECKS",
     minimumVersion: void 0
   },
-  ["per_language_bundles_v2" /* PerLanguageBundles */]: {
-    defaultValue: false,
-    envVar: "CODEQL_ACTION_PER_LANGUAGE_BUNDLES",
-    minimumVersion: void 0
-  },
   ["qa_telemetry_enabled" /* QaTelemetryEnabled */]: {
     defaultValue: false,
     envVar: "CODEQL_ACTION_QA_TELEMETRY",
diff --git a/pr-checks/checks/export-file-baseline-information.yml b/pr-checks/checks/export-file-baseline-information.yml
index 87c4b7609..dd8325717 100644
--- a/pr-checks/checks/export-file-baseline-information.yml
+++ b/pr-checks/checks/export-file-baseline-information.yml
@@ -11,7 +11,6 @@ installDotNet: true
 env:
   CODEQL_ACTION_SKIP_FILE_COVERAGE_ON_PRS: false
   CODEQL_ACTION_SUBLANGUAGE_FILE_COVERAGE: true
-  CODEQL_ACTION_PER_LANGUAGE_BUNDLES: true
 steps:
   - uses: ./../action/init
     id: init
diff --git a/pr-checks/checks/per-language-bundle-validation.yml b/pr-checks/checks/per-language-bundle-validation.yml
index ac22f67f5..fc9805af9 100644
--- a/pr-checks/checks/per-language-bundle-validation.yml
+++ b/pr-checks/checks/per-language-bundle-validation.yml
@@ -40,8 +40,6 @@ matrix:
       os: macos-latest-xlarge
       version: linked
       build-mode: autobuild
-env:
-  CODEQL_ACTION_PER_LANGUAGE_BUNDLES: true
 steps:
   - name: Remove CodeQL from toolcache
     uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
diff --git a/src/feature-flags.ts b/src/feature-flags.ts
index 5cf7c7414..b43f23c5d 100644
--- a/src/feature-flags.ts
+++ b/src/feature-flags.ts
@@ -159,11 +159,6 @@ export enum Feature {
   OverlayAnalysisStatusCheck = "overlay_analysis_status_check",
   /** Controls whether overlay build failures on the default branch are stored in the Actions cache. */
   OverlayAnalysisStatusSave = "overlay_analysis_status_save",
-  /**
-   * Controls whether we may download a bundle containing only the single language being analysed,
-   * rather than the combined bundle that contains every language.
-   */
-  PerLanguageBundles = "per_language_bundles_v2",
   QaTelemetryEnabled = "qa_telemetry_enabled",
   /** Routes (some) API requests through the registry proxy. */
   ProxyApiRequests = "proxy_api_requests",
@@ -429,11 +424,6 @@ export const featureConfig = {
     envVar: "CODEQL_ACTION_OVERLAY_ANALYSIS_SKIP_RESOURCE_CHECKS",
     minimumVersion: undefined,
   },
-  [Feature.PerLanguageBundles]: {
-    defaultValue: false,
-    envVar: "CODEQL_ACTION_PER_LANGUAGE_BUNDLES",
-    minimumVersion: undefined,
-  },
   [Feature.QaTelemetryEnabled]: {
     defaultValue: false,
     envVar: "CODEQL_ACTION_QA_TELEMETRY",