Remove quality-queries input

CHANGELOG.md

@@ -4,7 +4,7 @@ See the [releases page](https://github.com/github/codeql-action/releases) for th
 
 ## [UNRELEASED]
 
-No user facing changes.
+- The experimental `quality-queries` input that was deprecated in CodeQL Action 3.30.2 has now been removed.
 
 ## 4.32.1 - 02 Feb 2026
 

init/action.yml

@@ -99,9 +99,6 @@ inputs:
   queries:
     description: Comma-separated list of additional queries to run. By default, this overrides the same setting in a configuration file; prefix with "+" to use both sets of queries.
     required: false
-  quality-queries:
-    description: '[Internal] DEPRECATED. Comma-separated list of code quality queries to run.'
-    required: false
   packs:
     description: >-
       Comma-separated list of packs to run. Reference a pack in the format `scope/name[@version]`. If `version` is not

src/analyses.test.ts

@@ -52,14 +52,15 @@ test("getAnalysisKinds - returns expected analysis kinds for `analysis-kinds` in
   t.assert(result.includes(AnalysisKind.CodeQuality));
 });
 
-test("getAnalysisKinds - includes `code-quality` when deprecated `quality-queries` input is used", async (t) => {
+test("getAnalysisKinds - throws ConfigurationError when deprecated `quality-queries` input is used", async (t) => {
   const requiredInputStub = sinon.stub(actionsUtil, "getRequiredInput");
   requiredInputStub.withArgs("analysis-kinds").returns("code-scanning");
   const optionalInputStub = sinon.stub(actionsUtil, "getOptionalInput");
   optionalInputStub.withArgs("quality-queries").returns("code-quality");
-  const result = await getAnalysisKinds(getRunnerLogger(true), true);
-  t.assert(result.includes(AnalysisKind.CodeScanning));
-  t.assert(result.includes(AnalysisKind.CodeQuality));
+
+  await t.throwsAsync(getAnalysisKinds(getRunnerLogger(true), true), {
+    instanceOf: ConfigurationError,
+  });
 });
 
 test("getAnalysisKinds - throws if `analysis-kinds` input is invalid", async (t) => {

src/analyses.ts

@@ -50,17 +50,16 @@ let cachedAnalysisKinds: AnalysisKind[] | undefined;
 
 /**
  * Initialises the analysis kinds for the analysis based on the `analysis-kinds` input.
- * This function will also use the deprecated `quality-queries` input as an indicator to enable `code-quality`.
  * If the `analysis-kinds` input cannot be parsed, a `ConfigurationError` is thrown.
  *
- * @param logger The logger to use.
+ * @param _logger The logger to use.
  * @param skipCache For testing, whether to ignore the cached values (default: false).
  *
  * @returns The array of enabled analysis kinds.
  * @throws A `ConfigurationError` if the `analysis-kinds` input cannot be parsed.
  */
 export async function getAnalysisKinds(
-  logger: Logger,
+  _logger: Logger,
   skipCache: boolean = false,
 ): Promise<AnalysisKind[]> {
   if (!skipCache && cachedAnalysisKinds !== undefined) {
@@ -71,26 +70,15 @@ export async function getAnalysisKinds(
     getRequiredInput("analysis-kinds"),
   );
 
-  // Warn that `quality-queries` is deprecated if there is an argument for it.
+  // Throw if there is an argument for `quality-queries`.
   const qualityQueriesInput = getOptionalInput("quality-queries");
 
   if (qualityQueriesInput !== undefined) {
-    logger.warning(
-      "The `quality-queries` input is deprecated and will be removed in a future version of the CodeQL Action. " +
-        "Use the `analysis-kinds` input to configure different analysis kinds instead.",
+    throw new ConfigurationError(
+      "The `quality-queries` input is no longer supported. Use `analysis-kinds` instead.",
     );
   }
 
-  // For backwards compatibility, add Code Quality to the enabled analysis kinds
-  // if an input to `quality-queries` was specified. We should remove this once
-  // `quality-queries` is no longer used.
-  if (
-    !cachedAnalysisKinds.includes(AnalysisKind.CodeQuality) &&
-    qualityQueriesInput !== undefined
-  ) {
-    cachedAnalysisKinds.push(AnalysisKind.CodeQuality);
-  }
-
   return cachedAnalysisKinds;
 }