diff --git a/lib/branches/index.js b/lib/branches/index.js
index 0b5f397f8c..951500dc47 100644
--- a/lib/branches/index.js
+++ b/lib/branches/index.js
@@ -27,6 +27,7 @@ module.exports = async (repositoryUrl, ciBranch, context) => {
 
   const errors = [];
   const branchesByType = Object.entries(DEFINITIONS).reduce(
+    // eslint-disable-next-line unicorn/no-fn-reference-in-iterator
     (branchesByType, [type, {filter}]) => ({[type]: branches.filter(filter), ...branchesByType}),
     {}
   );
diff --git a/lib/definitions/branches.js b/lib/definitions/branches.js
index c447661948..c47fc65683 100644
--- a/lib/definitions/branches.js
+++ b/lib/definitions/branches.js
@@ -16,6 +16,7 @@ const prerelease = {
 };
 
 const release = {
+  // eslint-disable-next-line unicorn/no-fn-reference-in-iterator
   filter: (branch) => !maintenance.filter(branch) && !prerelease.filter(branch),
   branchesValidator: (branches) => branches.length <= 3 && branches.length > 0,
 };
diff --git a/lib/get-git-auth-url.js b/lib/get-git-auth-url.js
index 0c35cd299d..56b5fc6932 100644
--- a/lib/get-git-auth-url.js
+++ b/lib/get-git-auth-url.js
@@ -89,7 +89,7 @@ module.exports = async (context) => {
   try {
     debug('Verifying ssh auth by attempting to push to  %s', repositoryUrl);
     await verifyAuth(repositoryUrl, branch.name, {cwd, env});
-  } catch (_) {
+  } catch {
     debug('SSH key auth failed, falling back to https.');
     const envVars = Object.keys(GIT_TOKENS).filter((envVar) => !isNil(env[envVar]));
 
diff --git a/lib/git.js b/lib/git.js
index 8aaf884a34..c4e7ff4c3d 100644
--- a/lib/git.js
+++ b/lib/git.js
@@ -116,7 +116,7 @@ async function fetch(repositoryUrl, branch, ciBranch, execaOptions) {
       ],
       execaOptions
     );
-  } catch (_) {
+  } catch {
     await execa(
       'git',
       [
@@ -144,7 +144,7 @@ async function fetchNotes(repositoryUrl, execaOptions) {
       ['fetch', '--unshallow', repositoryUrl, `+refs/notes/${GIT_NOTE_REF}:refs/notes/${GIT_NOTE_REF}`],
       execaOptions
     );
-  } catch (_) {
+  } catch {
     await execa('git', ['fetch', repositoryUrl, `+refs/notes/${GIT_NOTE_REF}:refs/notes/${GIT_NOTE_REF}`], {
       ...execaOptions,
       reject: false,
diff --git a/package.json b/package.json
index dc5cd5bcc8..13d7278078 100644
--- a/package.json
+++ b/package.json
@@ -129,6 +129,7 @@
     "prettier": true,
     "space": true,
     "rules": {
+      "unicorn/no-reduce": "off",
       "unicorn/string-content": "off"
     }
   },
diff --git a/test/definitions/branches.test.js b/test/definitions/branches.test.js
index 8ab6396dc3..db5cbe38c5 100644
--- a/test/definitions/branches.test.js
+++ b/test/definitions/branches.test.js
@@ -2,6 +2,7 @@ const test = require('ava');
 const {maintenance, prerelease, release} = require('../../lib/definitions/branches');
 
 test('A "maintenance" branch is identified by having a "range" property or a "name" formatted like "N.x", "N.x.x" or "N.N.x"', (t) => {
+  /* eslint-disable unicorn/no-fn-reference-in-iterator */
   t.true(maintenance.filter({name: '1.x.x'}));
   t.true(maintenance.filter({name: '1.0.x'}));
   t.true(maintenance.filter({name: '1.x'}));
@@ -15,6 +16,7 @@ test('A "maintenance" branch is identified by having a "range" property or a "na
   t.false(maintenance.filter({name: 'some-name'}));
   t.false(maintenance.filter({name: '1.0.0'}));
   t.false(maintenance.filter({name: 'x.x.x'}));
+  /* eslint-enable unicorn/no-fn-reference-in-iterator */
 });
 
 test('A "maintenance" branches must have a "range" property formatted like "N.x", "N.x.x" or "N.N.x"', (t) => {
@@ -37,6 +39,7 @@ test('The "maintenance" branches must have unique ranges', (t) => {
 });
 
 test('A "prerelease" branch is identified by having a thruthy "prerelease" property', (t) => {
+  /* eslint-disable unicorn/no-fn-reference-in-iterator */
   t.true(prerelease.filter({name: 'some-name', prerelease: true}));
   t.true(prerelease.filter({name: 'some-name', prerelease: 'beta'}));
   t.true(prerelease.filter({name: 'some-name', prerelease: ''}));
@@ -44,6 +47,7 @@ test('A "prerelease" branch is identified by having a thruthy "prerelease" prope
   t.false(prerelease.filter({name: 'some-name', prerelease: null}));
   t.false(prerelease.filter({name: 'some-name', prerelease: false}));
   t.false(prerelease.filter({name: 'some-name'}));
+  /* eslint-enable unicorn/no-fn-reference-in-iterator */
 });
 
 test('A "prerelease" branch must have a valid prerelease detonation in "prerelease" property or in "name" if "prerelease" is "true"', (t) => {
@@ -66,6 +70,7 @@ test('The "prerelease" branches must have unique "prerelease" property', (t) =>
 });
 
 test('A "release" branch is identified by not havin a "range" or "prerelease" property or a "name" formatted like "N.x", "N.x.x" or "N.N.x"', (t) => {
+  /* eslint-disable unicorn/no-fn-reference-in-iterator */
   t.true(release.filter({name: 'some-name'}));
 
   t.false(release.filter({name: '1.x.x'}));
@@ -74,6 +79,7 @@ test('A "release" branch is identified by not havin a "range" or "prerelease" pr
   t.false(release.filter({name: 'some-name', range: '1.1.x'}));
   t.false(release.filter({name: 'some-name', prerelease: true}));
   t.false(release.filter({name: 'some-name', prerelease: 'beta'}));
+  /* eslint-enable unicorn/no-fn-reference-in-iterator */
 });
 
 test('There must be between 1 and 3 release branches', (t) => {
diff --git a/test/helpers/mockserver.js b/test/helpers/mockserver.js
index 51db154525..777eab46df 100644
--- a/test/helpers/mockserver.js
+++ b/test/helpers/mockserver.js
@@ -30,7 +30,7 @@ async function start() {
       minTimeout: 1000,
       factor: 2,
     });
-  } catch (_) {
+  } catch {
     throw new Error(`Couldn't start mock-server after 2 min`);
   }
 }
diff --git a/test/helpers/npm-registry.js b/test/helpers/npm-registry.js
index c70933c7fb..2b05fd9a41 100644
--- a/test/helpers/npm-registry.js
+++ b/test/helpers/npm-registry.js
@@ -37,7 +37,7 @@ async function start() {
       minTimeout: 1000,
       factor: 2,
     });
-  } catch (_) {
+  } catch {
     throw new Error(`Couldn't start npm-registry-docker after 2 min`);
   }