diff --git a/lib/modules/datasource/conan/index.ts b/lib/modules/datasource/conan/index.ts
index dd3fb0a12b4c99f..c4a7179b781ae69 100644
--- a/lib/modules/datasource/conan/index.ts
+++ b/lib/modules/datasource/conan/index.ts
@@ -58,9 +58,10 @@ export class ConanDatasource extends Datasource {
     const res = await this.githubHttp.get(url, {
       headers: { accept: 'application/vnd.github.v3.raw' },
     });
-    const doc = parseSingleYaml(res.body, {
+    // TODO: use schema (#9610)
+    const doc = parseSingleYaml<ConanYAML>(res.body, {
       json: true,
-    }) as ConanYAML;
+    });
     return {
       releases: Object.keys(doc?.versions ?? {}).map((version) => ({
         version,
diff --git a/lib/modules/datasource/helm/common.spec.ts b/lib/modules/datasource/helm/common.spec.ts
index 09ad126e72b396d..678ab1188160228 100644
--- a/lib/modules/datasource/helm/common.spec.ts
+++ b/lib/modules/datasource/helm/common.spec.ts
@@ -4,9 +4,9 @@ import { findSourceUrl } from './common';
 import type { HelmRepository } from './types';
 
 // Truncated index.yaml file
-const repo = parseSingleYaml(Fixtures.get('sample.yaml'), {
+const repo = parseSingleYaml<HelmRepository>(Fixtures.get('sample.yaml'), {
   json: true,
-}) as HelmRepository;
+});
 
 describe('modules/datasource/helm/common', () => {
   describe('findSourceUrl', () => {
diff --git a/lib/modules/datasource/helm/index.ts b/lib/modules/datasource/helm/index.ts
index 20c691794a21d22..ada0c21779c1b85 100644
--- a/lib/modules/datasource/helm/index.ts
+++ b/lib/modules/datasource/helm/index.ts
@@ -48,9 +48,10 @@ export class HelmDatasource extends Datasource {
       this.handleGenericErrors(err);
     }
     try {
-      const doc = parseSingleYaml(res.body, {
+      // TODO: use schema (#9610)
+      const doc = parseSingleYaml<HelmRepository>(res.body, {
         json: true,
-      }) as HelmRepository;
+      });
       if (!is.plainObject<HelmRepository>(doc)) {
         logger.warn(
           { helmRepository },
diff --git a/lib/modules/manager/argocd/extract.ts b/lib/modules/manager/argocd/extract.ts
index cd3b44d8543d1c8..26fdc84cec4eb04 100644
--- a/lib/modules/manager/argocd/extract.ts
+++ b/lib/modules/manager/argocd/extract.ts
@@ -33,7 +33,8 @@ export function extractPackageFile(
 
   let definitions: ApplicationDefinition[];
   try {
-    definitions = parseYaml(content) as ApplicationDefinition[];
+    // TODO: use schema (#9610)
+    definitions = parseYaml(content);
   } catch (err) {
     logger.debug({ err, packageFile }, 'Failed to parse ArgoCD definition.');
     return null;
diff --git a/lib/modules/manager/docker-compose/extract.ts b/lib/modules/manager/docker-compose/extract.ts
index 03761162e804380..6b254ae20f6c224 100644
--- a/lib/modules/manager/docker-compose/extract.ts
+++ b/lib/modules/manager/docker-compose/extract.ts
@@ -36,8 +36,8 @@ export function extractPackageFile(
   logger.debug(`docker-compose.extractPackageFile(${packageFile})`);
   let config: DockerComposeConfig;
   try {
-    // TODO: fix me (#9610)
-    config = parseSingleYaml(content, { json: true }) as DockerComposeConfig;
+    // TODO: use schema (#9610)
+    config = parseSingleYaml(content, { json: true });
     if (!config) {
       logger.debug(
         { packageFile },
diff --git a/lib/modules/manager/fleet/extract.ts b/lib/modules/manager/fleet/extract.ts
index 06b6b3ef2e9411d..6ea8a2434761589 100644
--- a/lib/modules/manager/fleet/extract.ts
+++ b/lib/modules/manager/fleet/extract.ts
@@ -119,16 +119,20 @@ export function extractPackageFile(
 
   try {
     if (regEx('fleet.ya?ml').test(packageFile)) {
-      // TODO: fix me (#9610)
-      const docs = parseYaml(content, null, { json: true }) as FleetFile[];
+      // TODO: use schema (#9610)
+      const docs = parseYaml<FleetFile>(content, null, {
+        json: true,
+      });
       const fleetDeps = docs
         .filter((doc) => is.truthy(doc?.helm))
         .flatMap((doc) => extractFleetFile(doc));
 
       deps.push(...fleetDeps);
     } else {
-      // TODO: fix me (#9610)
-      const docs = parseYaml(content, null, { json: true }) as GitRepo[];
+      // TODO: use schema (#9610)
+      const docs = parseYaml<GitRepo>(content, null, {
+        json: true,
+      });
       const gitRepoDeps = docs
         .filter((doc) => doc.kind === 'GitRepo') // ensure only GitRepo manifests are processed
         .flatMap((doc) => extractGitRepo(doc));
diff --git a/lib/modules/manager/flux/extract.ts b/lib/modules/manager/flux/extract.ts
index b5c6469392e24a0..2b03f05eac54c8d 100644
--- a/lib/modules/manager/flux/extract.ts
+++ b/lib/modules/manager/flux/extract.ts
@@ -52,7 +52,8 @@ function readManifest(
   };
   let resources: FluxResource[];
   try {
-    resources = parseYaml(content, null, { json: true }) as FluxResource[];
+    // TODO: use schema (#9610)
+    resources = parseYaml(content, null, { json: true });
   } catch (err) {
     logger.debug({ err, packageFile }, 'Failed to parse Flux manifest');
     return null;
diff --git a/lib/modules/manager/github-actions/extract.ts b/lib/modules/manager/github-actions/extract.ts
index d8fff7ea0825f50..c1446e5f84a2bdb 100644
--- a/lib/modules/manager/github-actions/extract.ts
+++ b/lib/modules/manager/github-actions/extract.ts
@@ -166,7 +166,8 @@ function extractWithYAMLParser(
 
   let pkg: Workflow;
   try {
-    pkg = parseSingleYaml(content, { json: true }) as Workflow;
+    // TODO: use schema (#9610)
+    pkg = parseSingleYaml(content, { json: true });
   } catch (err) {
     logger.debug(
       { packageFile, err },
diff --git a/lib/modules/manager/gitlabci-include/common.spec.ts b/lib/modules/manager/gitlabci-include/common.spec.ts
index 40528525a69fcc8..da66940cf4ad2a1 100644
--- a/lib/modules/manager/gitlabci-include/common.spec.ts
+++ b/lib/modules/manager/gitlabci-include/common.spec.ts
@@ -10,9 +10,10 @@ import {
 } from './common';
 
 const yamlFileMultiConfig = Fixtures.get('gitlab-ci.1.yaml');
-const pipeline = parseSingleYaml(
+// TODO: use schema (#9610)
+const pipeline = parseSingleYaml<GitlabPipeline>(
   replaceReferenceTags(yamlFileMultiConfig),
-) as GitlabPipeline;
+);
 const includeLocal = { local: 'something' };
 const includeProject = { project: 'something' };
 
diff --git a/lib/modules/manager/gitlabci-include/extract.ts b/lib/modules/manager/gitlabci-include/extract.ts
index 95a98dc87af54de..78c84dd0e9dabd1 100644
--- a/lib/modules/manager/gitlabci-include/extract.ts
+++ b/lib/modules/manager/gitlabci-include/extract.ts
@@ -71,9 +71,10 @@ export function extractPackageFile(
   const platform = GlobalConfig.get('platform');
   const endpoint = GlobalConfig.get('endpoint');
   try {
-    const doc = parseSingleYaml(replaceReferenceTags(content), {
+    // TODO: use schema (#9610)
+    const doc = parseSingleYaml<GitlabPipeline>(replaceReferenceTags(content), {
       json: true,
-    }) as GitlabPipeline;
+    });
     const includes = getAllIncludeProjects(doc);
     for (const includeObj of includes) {
       const dep = extractDepFromIncludeFile(includeObj);
diff --git a/lib/modules/manager/gitlabci/extract.ts b/lib/modules/manager/gitlabci/extract.ts
index 8f5a6ce0164751f..8a7fdae5375602a 100644
--- a/lib/modules/manager/gitlabci/extract.ts
+++ b/lib/modules/manager/gitlabci/extract.ts
@@ -83,9 +83,10 @@ export function extractPackageFile(
 ): PackageFileContent | null {
   let deps: PackageDependency[] = [];
   try {
+    // TODO: use schema (#9610)
     const doc = parseSingleYaml(replaceReferenceTags(content), {
       json: true,
-    }) as Record<string, Image | Services | Job>;
+    });
     if (is.object(doc)) {
       for (const [property, value] of Object.entries(doc)) {
         switch (property) {
@@ -146,9 +147,10 @@ export async function extractAllPackageFiles(
     }
     let doc: GitlabPipeline;
     try {
+      // TODO: use schema (#9610)
       doc = parseSingleYaml(replaceReferenceTags(content), {
         json: true,
-      }) as GitlabPipeline;
+      });
     } catch (err) {
       logger.debug(
         { err, packageFile: file },
diff --git a/lib/modules/manager/helmfile/extract.ts b/lib/modules/manager/helmfile/extract.ts
index 237a15157a09cf8..e570afe4f4d0379 100644
--- a/lib/modules/manager/helmfile/extract.ts
+++ b/lib/modules/manager/helmfile/extract.ts
@@ -35,10 +35,11 @@ export async function extractPackageFile(
   // Record kustomization usage for all deps, since updating artifacts is run on the helmfile.yaml as a whole.
   let needKustomize = false;
   try {
+    // TODO: use schema (#9610)
     docs = parseYaml(content, null, {
       removeTemplates: true,
       json: true,
-    }) as Doc[];
+    });
   } catch (err) {
     logger.debug(
       { err, packageFile },
diff --git a/lib/modules/manager/helmsman/extract.ts b/lib/modules/manager/helmsman/extract.ts
index 697c2fdf4403a97..631478452124868 100644
--- a/lib/modules/manager/helmsman/extract.ts
+++ b/lib/modules/manager/helmsman/extract.ts
@@ -68,10 +68,10 @@ export function extractPackageFile(
   _config: ExtractConfig,
 ): PackageFileContent | null {
   try {
-    // TODO: fix me (#9610)
-    const doc = parseSingleYaml(content, {
+    // TODO: use schema (#9610)
+    const doc = parseSingleYaml<HelmsmanDocument>(content, {
       json: true,
-    }) as HelmsmanDocument;
+    });
     if (!doc.apps) {
       logger.debug({ packageFile }, `Missing apps keys`);
       return null;
diff --git a/lib/modules/manager/helmv3/artifacts.ts b/lib/modules/manager/helmv3/artifacts.ts
index f7d18c092efe0b4..abc8e6887b65626 100644
--- a/lib/modules/manager/helmv3/artifacts.ts
+++ b/lib/modules/manager/helmv3/artifacts.ts
@@ -114,12 +114,13 @@ export async function updateArtifacts({
   }
   try {
     // get repositories and registries defined in the package file
-    const packages = yaml.parseSingleYaml(
+    // TODO: use schema (#9610)
+    const packages = yaml.parseSingleYaml<ChartDefinition>(
       newPackageFileContent,
-    ) as ChartDefinition; //TODO #9610
+    );
     const locks = existingLockFileContent
-      ? (yaml.parseSingleYaml(existingLockFileContent) as ChartDefinition)
-      : { dependencies: [] }; //TODO #9610
+      ? yaml.parseSingleYaml<ChartDefinition>(existingLockFileContent)
+      : { dependencies: [] };
 
     const chartDefinitions: ChartDefinition[] = [];
     // prioritize registryAlias naming for Helm repositories
diff --git a/lib/modules/manager/helmv3/extract.ts b/lib/modules/manager/helmv3/extract.ts
index 758b5d66b511265..5e633dca673ebc0 100644
--- a/lib/modules/manager/helmv3/extract.ts
+++ b/lib/modules/manager/helmv3/extract.ts
@@ -22,8 +22,8 @@ export async function extractPackageFile(
     dependencies: Array<{ name: string; version: string; repository: string }>;
   };
   try {
-    // TODO: fix me (#9610)
-    chart = parseSingleYaml(content, { json: true }) as any;
+    // TODO: use schema (#9610)
+    chart = parseSingleYaml(content, { json: true });
     if (!(chart?.apiVersion && chart.name && chart.version)) {
       logger.debug(
         { packageFile },
diff --git a/lib/modules/manager/jenkins/extract.ts b/lib/modules/manager/jenkins/extract.ts
index 161b356f3768789..0b88ea5dfa45fca 100644
--- a/lib/modules/manager/jenkins/extract.ts
+++ b/lib/modules/manager/jenkins/extract.ts
@@ -57,7 +57,8 @@ function extractYaml(
   const deps: PackageDependency[] = [];
 
   try {
-    const doc = parseSingleYaml(content, { json: true }) as JenkinsPlugins;
+    // TODO: use schema (#9610)
+    const doc = parseSingleYaml<JenkinsPlugins>(content, { json: true });
     if (is.nonEmptyArray(doc?.plugins)) {
       for (const plugin of doc.plugins) {
         if (plugin.artifactId) {
diff --git a/lib/modules/manager/kubernetes/extract.ts b/lib/modules/manager/kubernetes/extract.ts
index 69a819184ea3225..3ecad886571adc3 100644
--- a/lib/modules/manager/kubernetes/extract.ts
+++ b/lib/modules/manager/kubernetes/extract.ts
@@ -70,7 +70,8 @@ function extractApis(
   let doc: KubernetesConfiguration[];
 
   try {
-    doc = parseYaml(content) as KubernetesConfiguration[];
+    // TODO: use schema (#9610)
+    doc = parseYaml(content);
   } catch (err) {
     logger.debug({ err, packageFile }, 'Failed to parse Kubernetes manifest.');
     return [];
diff --git a/lib/modules/manager/kustomize/extract.ts b/lib/modules/manager/kustomize/extract.ts
index 60ad65dbeaa7a7a..3c021d6fad7bd94 100644
--- a/lib/modules/manager/kustomize/extract.ts
+++ b/lib/modules/manager/kustomize/extract.ts
@@ -158,7 +158,8 @@ export function parseKustomize(
 ): Kustomize | null {
   let pkg: Kustomize | null = null;
   try {
-    pkg = parseSingleYaml(content, { json: true }) as Kustomize;
+    // TODO: use schema (#9610)
+    pkg = parseSingleYaml(content, { json: true });
   } catch (e) /* istanbul ignore next */ {
     logger.debug({ packageFile }, 'Error parsing kustomize file');
     return null;
diff --git a/lib/modules/manager/npm/extract/pnpm.ts b/lib/modules/manager/npm/extract/pnpm.ts
index dc87f14e0d71580..c4fa0d79510bf6d 100644
--- a/lib/modules/manager/npm/extract/pnpm.ts
+++ b/lib/modules/manager/npm/extract/pnpm.ts
@@ -23,10 +23,13 @@ export async function extractPnpmFilters(
   fileName: string,
 ): Promise<string[] | undefined> {
   try {
-    // TODO #22198
-    const contents = parseSingleYaml((await readLocalFile(fileName, 'utf8'))!, {
-      json: true,
-    }) as PnpmWorkspaceFile;
+    // TODO: use schema (#9610,#22198)
+    const contents = parseSingleYaml<PnpmWorkspaceFile>(
+      (await readLocalFile(fileName, 'utf8'))!,
+      {
+        json: true,
+      },
+    );
     if (
       !Array.isArray(contents.packages) ||
       !contents.packages.every((item) => is.string(item))
diff --git a/lib/modules/manager/npm/post-update/index.ts b/lib/modules/manager/npm/post-update/index.ts
index 19f23356714780c..20adb0c2658e5ff 100644
--- a/lib/modules/manager/npm/post-update/index.ts
+++ b/lib/modules/manager/npm/post-update/index.ts
@@ -390,9 +390,9 @@ export async function updateYarnBinary(
       return existingYarnrcYmlContent;
     }
 
-    const oldYarnPath = (parseSingleYaml(yarnrcYml) as YarnRcYmlFile)?.yarnPath;
-    const newYarnPath = (parseSingleYaml(newYarnrcYml) as YarnRcYmlFile)
-      ?.yarnPath;
+    // TODO: use schema (#9610)
+    const oldYarnPath = parseSingleYaml<YarnRcYmlFile>(yarnrcYml)?.yarnPath;
+    const newYarnPath = parseSingleYaml<YarnRcYmlFile>(newYarnrcYml)?.yarnPath;
     if (
       !is.nonEmptyStringAndNotWhitespace(oldYarnPath) ||
       !is.nonEmptyStringAndNotWhitespace(newYarnPath)
@@ -569,9 +569,10 @@ export async function getAdditionalFiles(
       existingYarnrcYmlContent = await readLocalFile(yarnRcYmlFilename, 'utf8');
       if (existingYarnrcYmlContent) {
         try {
-          const existingYarnrRcYml = parseSingleYaml(
+          // TODO: use schema (#9610)
+          const existingYarnrRcYml = parseSingleYaml<Record<string, unknown>>(
             existingYarnrcYmlContent,
-          ) as Record<string, unknown>;
+          );
           const updatedYarnYrcYml = deepmerge(
             existingYarnrRcYml,
             additionalYarnRcYml,
diff --git a/lib/modules/manager/npm/post-update/pnpm.ts b/lib/modules/manager/npm/post-update/pnpm.ts
index 31989b62caff164..b2b5bcf043f2ce1 100644
--- a/lib/modules/manager/npm/post-update/pnpm.ts
+++ b/lib/modules/manager/npm/post-update/pnpm.ts
@@ -126,7 +126,8 @@ export async function getConstraintFromLockFile(
     if (!lockfileContent) {
       return null;
     }
-    const pnpmLock = parseSingleYaml(lockfileContent) as PnpmLockFile;
+    // TODO: use schema (#9610)
+    const pnpmLock = parseSingleYaml<PnpmLockFile>(lockfileContent);
     if (!is.number(pnpmLock?.lockfileVersion)) {
       return null;
     }
diff --git a/lib/modules/manager/pre-commit/extract.ts b/lib/modules/manager/pre-commit/extract.ts
index fb183b8828f8fa1..fc493014e7cc048 100644
--- a/lib/modules/manager/pre-commit/extract.ts
+++ b/lib/modules/manager/pre-commit/extract.ts
@@ -158,7 +158,8 @@ export function extractPackageFile(
   type ParsedContent = Record<string, unknown> | PreCommitConfig;
   let parsedContent: ParsedContent;
   try {
-    parsedContent = parseSingleYaml(content, { json: true }) as ParsedContent;
+    // TODO: use schema (#9610)
+    parsedContent = parseSingleYaml(content, { json: true });
   } catch (err) {
     logger.debug(
       { filename: packageFile, err },
diff --git a/lib/modules/manager/tekton/extract.ts b/lib/modules/manager/tekton/extract.ts
index 1a56a07d82981e2..a61c78745a0254c 100644
--- a/lib/modules/manager/tekton/extract.ts
+++ b/lib/modules/manager/tekton/extract.ts
@@ -22,7 +22,8 @@ export function extractPackageFile(
   const deps: PackageDependency[] = [];
   let docs: TektonResource[];
   try {
-    docs = parseYaml(content) as TektonResource[];
+    // TODO: use schema (#9610)
+    docs = parseYaml(content);
   } catch (err) {
     logger.debug(
       { err, packageFile },
diff --git a/lib/modules/manager/travis/extract.ts b/lib/modules/manager/travis/extract.ts
index 11000afffbddfc0..79da049c494d53e 100644
--- a/lib/modules/manager/travis/extract.ts
+++ b/lib/modules/manager/travis/extract.ts
@@ -11,9 +11,10 @@ export function extractPackageFile(
 ): PackageFileContent | null {
   let doc: TravisYaml;
   try {
+    // TODO: use schema (#9610)
     doc = parseSingleYaml(content, {
       json: true,
-    }) as TravisYaml;
+    });
   } catch (err) {
     logger.debug({ err, packageFile }, 'Failed to parse .travis.yml file.');
     return null;
diff --git a/lib/modules/manager/velaci/extract.ts b/lib/modules/manager/velaci/extract.ts
index 7446933e69982e3..dfdbf90656b7cfa 100644
--- a/lib/modules/manager/velaci/extract.ts
+++ b/lib/modules/manager/velaci/extract.ts
@@ -9,10 +9,11 @@ export function extractPackageFile(
   file: string,
   packageFile?: string,
 ): PackageFileContent | null {
-  let doc: VelaPipelineConfiguration | undefined;
+  let doc: VelaPipelineConfiguration;
 
   try {
-    doc = parseSingleYaml(file, { json: true }) as VelaPipelineConfiguration;
+    // TODO: use schema (#9610)
+    doc = parseSingleYaml(file, { json: true });
   } catch (err) {
     logger.debug({ err, packageFile }, 'Failed to parse Vela file.');
     return null;
diff --git a/lib/modules/manager/woodpecker/extract.ts b/lib/modules/manager/woodpecker/extract.ts
index 2bc5969dfe25f8e..0877a3c81cd3c06 100644
--- a/lib/modules/manager/woodpecker/extract.ts
+++ b/lib/modules/manager/woodpecker/extract.ts
@@ -22,8 +22,8 @@ export function extractPackageFile(
   logger.debug('woodpecker.extractPackageFile()');
   let config: WoodpeckerConfig;
   try {
-    // TODO: fix me (#9610)
-    config = parseSingleYaml(content, { json: true }) as WoodpeckerConfig;
+    // TODO: use schema (#9610)
+    config = parseSingleYaml(content, { json: true });
     if (!config) {
       logger.debug(
         { packageFile },
diff --git a/lib/workers/global/config/parse/file.ts b/lib/workers/global/config/parse/file.ts
index 5de5c61bb233701..9b06e91a68a3fcc 100644
--- a/lib/workers/global/config/parse/file.ts
+++ b/lib/workers/global/config/parse/file.ts
@@ -18,7 +18,7 @@ export async function getParsedContent(file: string): Promise<RenovateConfig> {
     case '.yml':
       return parseSingleYaml(await readSystemFile(file, 'utf8'), {
         json: true,
-      }) as RenovateConfig;
+      });
     case '.json5':
     case '.json':
       return parseJson(