diff --git a/lib/config/options/index.ts b/lib/config/options/index.ts
index 5239b8d3ac68c3..9465b24c8fd8c7 100644
--- a/lib/config/options/index.ts
+++ b/lib/config/options/index.ts
@@ -1581,16 +1581,16 @@ const options: RenovateOptions[] = [
   {
     name: 'prHourlyLimit',
     description:
-      'Rate limit PRs to maximum x created per hour. 0 (default) means no limit.',
+      'Rate limit PRs to maximum x created per hour. 0 means no limit.',
     type: 'integer',
-    default: 0, // no limit
+    default: 2,
   },
   {
     name: 'prConcurrentLimit',
     description:
-      'Limit to a maximum of x concurrent branches/PRs. 0 (default) means no limit.',
+      'Limit to a maximum of x concurrent branches/PRs. 0 means no limit.',
     type: 'integer',
-    default: 0, // no limit
+    default: 10,
   },
   {
     name: 'branchConcurrentLimit',
diff --git a/lib/config/presets/index.spec.ts b/lib/config/presets/index.spec.ts
index 3bf5d5fffb5c49..92784b5a581251 100644
--- a/lib/config/presets/index.spec.ts
+++ b/lib/config/presets/index.spec.ts
@@ -839,8 +839,6 @@ describe('config/presets/index', () => {
           ':dependencyDashboard',
           ':semanticPrefixFixDepsChoreOthers',
           ':ignoreModulesAndTests',
-          ':prHourlyLimit2',
-          ':prConcurrentLimit10',
           'group:monorepos',
           'group:recommended',
           'workarounds:all',
diff --git a/lib/config/presets/internal/config.ts b/lib/config/presets/internal/config.ts
index 355135deaa0727..040c102aae93c5 100644
--- a/lib/config/presets/internal/config.ts
+++ b/lib/config/presets/internal/config.ts
@@ -9,8 +9,6 @@ export const presets: Record<string, Preset> = {
       ':dependencyDashboard',
       ':semanticPrefixFixDepsChoreOthers',
       ':ignoreModulesAndTests',
-      ':prHourlyLimit2',
-      ':prConcurrentLimit10',
       'group:monorepos',
       'group:recommended',
       'workarounds:all',
diff --git a/lib/modules/platform/codecommit/index.md b/lib/modules/platform/codecommit/index.md
index 3ce6026ab4b6d7..6e54fbf819a5d5 100644
--- a/lib/modules/platform/codecommit/index.md
+++ b/lib/modules/platform/codecommit/index.md
@@ -133,7 +133,6 @@ module.exports = {
   password: 'SECRET_ACCESS_KEY_GOES_HERE',
   token: 'AWS_SESSION_TOKEN_GOES_HERE',
   gitAuthor: 'your_email@domain',
-  prConcurrentLimit: 10,
   packageRules: [
     {
       matchPackageNames: ['package_name', 'package_name2'],
diff --git a/lib/workers/repository/process/limits.spec.ts b/lib/workers/repository/process/limits.spec.ts
index 2b8feb28536ece..4e09fb513daee0 100644
--- a/lib/workers/repository/process/limits.spec.ts
+++ b/lib/workers/repository/process/limits.spec.ts
@@ -41,13 +41,14 @@ describe('workers/repository/process/limits', () => {
     });
 
     it('returns prHourlyLimit if errored', async () => {
-      config.prHourlyLimit = 2;
+      config.prHourlyLimit = 5;
       platform.getPrList.mockRejectedValue('Unknown error');
       const res = await limits.getPrHourlyRemaining(config);
-      expect(res).toBe(2);
+      expect(res).toBe(5);
     });
 
     it('returns 99 if no hourly limit', async () => {
+      config.prHourlyLimit = 0;
       const res = await limits.getPrHourlyRemaining(config);
       expect(res).toBe(99);
     });
@@ -73,6 +74,7 @@ describe('workers/repository/process/limits', () => {
     });
 
     it('returns 99 if no concurrent limit', async () => {
+      config.prConcurrentLimit = 0;
       const res = await limits.getConcurrentPrsRemaining(config, []);
       expect(res).toBe(99);
     });
@@ -80,16 +82,16 @@ describe('workers/repository/process/limits', () => {
 
   describe('getPrsRemaining()', () => {
     it('returns hourly limit', async () => {
-      config.prHourlyLimit = 5;
+      config.prHourlyLimit = 1;
       platform.getPrList.mockResolvedValueOnce([]);
       const res = await limits.getPrsRemaining(config, []);
-      expect(res).toBe(5);
+      expect(res).toBe(1);
     });
 
     it('returns concurrent limit', async () => {
-      config.prConcurrentLimit = 5;
+      config.prConcurrentLimit = 1;
       const res = await limits.getPrsRemaining(config, []);
-      expect(res).toBe(5);
+      expect(res).toBe(1);
     });
   });
 
@@ -120,9 +122,9 @@ describe('workers/repository/process/limits', () => {
       expect(res).toBe(99);
     });
 
-    it('returns 99 if no limits are set', async () => {
+    it('returns 10 if no limits are set', async () => {
       const res = await limits.getConcurrentBranchesRemaining(config, []);
-      expect(res).toBe(99);
+      expect(res).toBe(10);
     });
 
     it('returns prConcurrentLimit if errored', async () => {