diff --git a/workspaces/config/lib/index.js b/workspaces/config/lib/index.js
index 49c4f0a18115c..c99292db9afb4 100644
--- a/workspaces/config/lib/index.js
+++ b/workspaces/config/lib/index.js
@@ -557,7 +557,7 @@ class Config {
         const k = envReplace(key, this.env)
         const v = this.parseField(value, k)
         if (where !== 'default') {
-          this.#checkDeprecated(k, where, obj, [key, value])
+          this.#checkDeprecated(k)
           if (this.definitions[key]?.exclusive) {
             for (const exclusive of this.definitions[key].exclusive) {
               if (!this.isDefault(exclusive)) {
@@ -571,7 +571,7 @@ class Config {
     }
   }
 
-  #checkDeprecated (key, where, obj, kv) {
+  #checkDeprecated (key) {
     // XXX(npm9+) make this throw an error
     if (this.deprecated[key]) {
       log.warn('config', key, this.deprecated[key])
@@ -739,7 +739,7 @@ class Config {
     const iniData = ini.stringify(conf.raw).trim() + '\n'
     if (!iniData.trim()) {
       // ignore the unlink error (eg, if file doesn't exist)
-      await unlink(conf.source).catch(er => {})
+      await unlink(conf.source).catch(() => {})
       return
     }
     const dir = dirname(conf.source)
@@ -774,12 +774,9 @@ class Config {
     this.delete(`${nerfed}:keyfile`, level)
   }
 
-  setCredentialsByURI (uri, { token, username, password, email, certfile, keyfile }) {
+  setCredentialsByURI (uri, { token, username, password, certfile, keyfile }) {
     const nerfed = nerfDart(uri)
 
-    // email is either provided, a top level key, or nothing
-    email = email || this.get('email', 'user')
-
     // field that hasn't been used as documented for a LONG time,
     // and as of npm 7.10.0, isn't used at all.  We just always
     // send auth if we have it, only to the URIs under the nerf dart.
diff --git a/workspaces/libnpmdiff/lib/tarball.js b/workspaces/libnpmdiff/lib/tarball.js
index 930d624f2d5b6..41ea84a6885a5 100644
--- a/workspaces/libnpmdiff/lib/tarball.js
+++ b/workspaces/libnpmdiff/lib/tarball.js
@@ -9,7 +9,7 @@ const tar = require('tar')
 
 // returns a simplified tarball when reading files from node_modules folder,
 // thus avoiding running the prepare scripts and the extra logic from packlist
-const nodeModulesTarball = (manifest, opts) =>
+const nodeModulesTarball = (manifest) =>
   pkgContents({ path: manifest._resolved, depth: 1 })
     .then(files =>
       files.map(file => relative(manifest._resolved, file))
diff --git a/workspaces/libnpmfund/lib/index.js b/workspaces/libnpmfund/lib/index.js
index a53893dc1cf87..39b69afc0abcc 100644
--- a/workspaces/libnpmfund/lib/index.js
+++ b/workspaces/libnpmfund/lib/index.js
@@ -133,7 +133,7 @@ function readTree (tree, opts) {
     })
 
     return directDepsWithFunding.reduce(
-      (res, { node, fundingItem }, i) => {
+      (res, { node, fundingItem }) => {
         if (!fundingItem ||
           fundingItem.length === 0 ||
           !node) {
diff --git a/workspaces/libnpmversion/test/retrieve-tag.js b/workspaces/libnpmversion/test/retrieve-tag.js
index 29155acdf5195..78989ddd57054 100644
--- a/workspaces/libnpmversion/test/retrieve-tag.js
+++ b/workspaces/libnpmversion/test/retrieve-tag.js
@@ -3,7 +3,7 @@ const requireInject = require('require-inject')
 let tag
 const retrieveTag = requireInject('../lib/retrieve-tag.js', {
   '@npmcli/git': {
-    spawn: async (cmd, opts) => ({ stdout: tag + '\n' }),
+    spawn: async () => ({ stdout: tag + '\n' }),
   },
 })