diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 00000000..dca6ea2b
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+  "autoHide.autoHidePanel": false
+}
diff --git a/cdn/radash.esm.js b/cdn/radash.esm.js
index 4eb90ee3..1e4f7ab4 100644
--- a/cdn/radash.esm.js
+++ b/cdn/radash.esm.js
@@ -636,8 +636,9 @@ const mapEntries = (obj, toEntry) => {
   if (!obj)
     return {};
   return Object.entries(obj).reduce((acc, [key, value]) => {
-    const [newKey, newValue] = toEntry(key, value);
-    acc[newKey] = newValue;
+    const alteredEntry = toEntry(key, value);
+    if (alteredEntry !== void 0)
+      acc[alteredEntry[0]] = alteredEntry[1];
     return acc;
   }, {});
 };
diff --git a/cdn/radash.js b/cdn/radash.js
index e9f6f4fc..3651e736 100644
--- a/cdn/radash.js
+++ b/cdn/radash.js
@@ -639,8 +639,9 @@ var radash = (function (exports) {
     if (!obj)
       return {};
     return Object.entries(obj).reduce((acc, [key, value]) => {
-      const [newKey, newValue] = toEntry(key, value);
-      acc[newKey] = newValue;
+      const alteredEntry = toEntry(key, value);
+      if (alteredEntry !== void 0)
+        acc[alteredEntry[0]] = alteredEntry[1];
       return acc;
     }, {});
   };
diff --git a/cdn/radash.min.js b/cdn/radash.min.js
index 14a4d770..da9b6bbd 100644
--- a/cdn/radash.min.js
+++ b/cdn/radash.min.js
@@ -1 +1 @@
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+var radash=function(i){"use strict";const _=t=>!!t&&t.constructor===Symbol,w=Array.isArray,k=t=>!!t&&t.constructor===Object,N=t=>t==null||typeof t!="object"&&typeof t!="function",y=t=>!!(t&&t.constructor&&t.call&&t.apply),W=t=>typeof t=="string"||t instanceof String,J=t=>h(t)&&t%1===0,K=t=>h(t)&&t%1!==0,h=t=>{try{return Number(t)===t}catch{return!1}},T=t=>Object.prototype.toString.call(t)==="[object Date]",j=t=>!(!t||!t.then||!y(t.then)),X=t=>{if(t===!0||t===!1||t==null)return!0;if(h(t))return t===0;if(T(t))return isNaN(t.getTime());if(y(t)||_(t))return!1;const e=t.length;if(h(e))return e===0;const n=t.size;return h(n)?n===0:Object.keys(t).length===0},z=(t,e)=>{if(Object.is(t,e))return!0;if(t instanceof Date&&e instanceof Date)return t.getTime()===e.getTime();if(t instanceof RegExp&&e instanceof RegExp)return t.toString()===e.toString();if(typeof t!="object"||t===null||typeof e!="object"||e===null)return!1;const 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n===0?t:[...t.slice(-n,t.length),...t.slice(0,-n)]}const wt=async(t,e,n)=>{const r=n!==void 0;if(!r&&t?.length<1)throw new Error("Cannot reduce empty array with no init value");const s=r?t:t.slice(1);let u=r?n:t[0];for(const[c,o]of s.entries())u=await e(u,o,c);return u},yt=async(t,e)=>{if(!t)return[];let n=[],r=0;for(const s of t){const u=await e(s,r++);n.push(u)}return n},pt=async t=>{const e=[],n=(u,c)=>e.push({fn:u,rethrow:c?.rethrow??!1}),[r,s]=await m(t)(n);for(const{fn:u,rethrow:c}of e){const[o]=await m(u)(r);if(o&&c)throw o}if(r)throw r;return s};class Z extends Error{constructor(e=[]){super();const n=e.find(r=>r.name)?.name??"";this.name=`AggregateError(${n}...)`,this.message=`AggregateError with ${e.length} errors`,this.stack=e.find(r=>r.stack)?.stack??this.stack,this.errors=e}}const bt=async(t,e,n)=>{const r=e.map((d,b)=>({index:b,item:d})),s=async d=>{const b=[];for(;;){const l=r.pop();if(!l)return d(b);const[f,g]=await 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diff --git a/docs/object/map-entries.mdx b/docs/object/map-entries.mdx
index e4007d2b..18dd9835 100644
--- a/docs/object/map-entries.mdx
+++ b/docs/object/map-entries.mdx
@@ -9,7 +9,8 @@ group: Object
 Iterates the entries of an object, calling the given `toEntry` callback function
 to generate new entries. It's a `_.mapValues` and `_.mapKeys`
 in one. The `toEntry` callback function should return an array with
-two items `[key, value]` (a.k.a the new entry).
+two items `[key, value]` (a.k.a the new entry).  If the function returns 
+`undefined`, the entry will be ignored
 
 ```ts
 import { mapEntries } from 'radash'
@@ -21,5 +22,6 @@ const ra = {
   culture: 'egypt'
 }
 
-mapEntries(ra, (key, value) => [key.toUpperCase(), `${value}`]) // => { NAME: 'Ra', POWER: 'sun', RANK: '100', CULTURE: 'egypt' }
+mapEntries(ra, (key, value) => key === 'culture' ? undefined : [key.toUpperCase(), `${value}`]) 
+// => { NAME: 'Ra', POWER: 'sun', RANK: '100' }
 ```
diff --git a/src/object.ts b/src/object.ts
index fa481256..54625aef 100644
--- a/src/object.ts
+++ b/src/object.ts
@@ -78,12 +78,12 @@ export const mapEntries = <
   TNewValue
 >(
   obj: Record<TKey, TValue>,
-  toEntry: (key: TKey, value: TValue) => [TNewKey, TNewValue]
+  toEntry: (key: TKey, value: TValue) => [TNewKey, TNewValue] | undefined
 ): Record<TNewKey, TNewValue> => {
   if (!obj) return {} as Record<TNewKey, TNewValue>
   return Object.entries(obj).reduce((acc, [key, value]) => {
-    const [newKey, newValue] = toEntry(key as TKey, value as TValue)
-    acc[newKey] = newValue
+    const alteredEntry = toEntry(key as TKey, value as TValue)
+    if (alteredEntry !== undefined) acc[alteredEntry[0]] = alteredEntry[1]
     return acc
   }, {} as Record<TNewKey, TNewValue>)
 }
diff --git a/src/tests/object.test.ts b/src/tests/object.test.ts
index ca71a572..2c3b9224 100644
--- a/src/tests/object.test.ts
+++ b/src/tests/object.test.ts
@@ -376,6 +376,15 @@ describe('object module', () => {
       assert.equal(result.fey, 'USER')
       assert.equal(result.bray, 'GUEST')
     })
+    test('filtering', () => {
+      const result = _.mapEntries(peopleByRole, (key, value) =>
+        key === 'guest' ? undefined : [value, key.toUpperCase()]
+      )
+      assert.equal(Object.keys(result).length, 2)
+      assert.equal(result.jay, 'ADMIN')
+      assert.equal(result.fey, 'USER')
+      assert.equal(result.bray, undefined)
+    })
   })
 
   describe('invert function', () => {