diff --git a/__tests__/Record.ts b/__tests__/Record.ts
index 6b8a751008..5c29913ba6 100644
--- a/__tests__/Record.ts
+++ b/__tests__/Record.ts
@@ -48,6 +48,23 @@ describe('Record', () => {
     expect(t2).toBe(t1);
   });
 
+  it('falls back to default values when deleted or cleared', () => {
+    const MyType = Record({ a: 1, b: 2, c: 3 });
+    const t1 = new MyType({ a: 10, b: 20 });
+    const t2 = new MyType({ b: 20 });
+    const t3 = t1.delete('a');
+    const t4 = t3.clear();
+
+    expect(t1.get('a')).toBe(10);
+    expect(t2.get('a')).toBe(1);
+    expect(t3.get('a')).toBe(1);
+    expect(t4.get('b')).toBe(2);
+
+    expect(t2.equals(t3)).toBe(true);
+    expect(t2.equals(t4)).toBe(false);
+    expect(t4.equals(new MyType())).toBe(true);
+  });
+
   it('is a value type and equals other similar Records', () => {
     let MyType = Record({a: 1, b: 2, c: 3});
     let t1 = MyType({ a: 10 });
diff --git a/__tests__/RecordJS.js b/__tests__/RecordJS.js
index 6ccd39f0ea..b49ba7ab56 100644
--- a/__tests__/RecordJS.js
+++ b/__tests__/RecordJS.js
@@ -45,4 +45,20 @@ describe('Record', () => {
     expect(t.soup()).toBe(6);
     expect(t2.soup()).toBe(204);
   });
+
+  it('can be cleared', () => {
+    const MyType = Record({ a: 1, b: 2, c: 3 });
+    let t = new MyType({ c: 'cats' });
+
+    expect(t.c).toBe('cats');
+    t = t.clear();
+    expect(t.c).toBe(3);
+
+    const MyType2 = Record({ d: 4, e: 5, f: 6 });
+    let t2 = new MyType2({ d: 'dogs' });
+
+    expect(t2.d).toBe('dogs');
+    t2 = t2.clear();
+    expect(t2.d).toBe(4);
+  });
 });
diff --git a/dist/immutable-nonambient.d.ts b/dist/immutable-nonambient.d.ts
index 5b97038479..8e10b19070 100644
--- a/dist/immutable-nonambient.d.ts
+++ b/dist/immutable-nonambient.d.ts
@@ -2162,6 +2162,21 @@
         ...collections: Array<Partial<T> | Iterable<[string, any]>>
       ): this;
 
+      /**
+       * Returns a new instance of this Record type with the value for the
+       * specific key set to its default value.
+       *
+       * @alias remove
+       */
+      delete<K extends keyof T>(key: K): this;
+      remove<K extends keyof T>(key: K): this;
+
+      /**
+       * Returns a new instance of this Record type with all values set
+       * to their default values.
+       */
+      clear(): this;
+
       // Deep persistent changes
 
       setIn(keyPath: Iterable<any>, value: any): this;
diff --git a/dist/immutable.d.ts b/dist/immutable.d.ts
index 471536348e..367201a4fc 100644
--- a/dist/immutable.d.ts
+++ b/dist/immutable.d.ts
@@ -2162,6 +2162,21 @@ declare module Immutable {
         ...collections: Array<Partial<T> | Iterable<[string, any]>>
       ): this;
 
+      /**
+       * Returns a new instance of this Record type with the value for the
+       * specific key set to its default value.
+       *
+       * @alias remove
+       */
+      delete<K extends keyof T>(key: K): this;
+      remove<K extends keyof T>(key: K): this;
+
+      /**
+       * Returns a new instance of this Record type with all values set
+       * to their default values.
+       */
+      clear(): this;
+
       // Deep persistent changes
 
       setIn(keyPath: Iterable<any>, value: any): this;
diff --git a/dist/immutable.js b/dist/immutable.js
index c506aa98c1..5dee3a6785 100644
--- a/dist/immutable.js
+++ b/dist/immutable.js
@@ -5234,11 +5234,11 @@ Record.prototype.toString = function toString () {
 
 Record.prototype.equals = function equals (other) {
   return this === other ||
-    (this._keys === other._keys && this._values.equals(other._values));
+    (this._keys === other._keys && recordSeq(this).equals(recordSeq(other)));
 };
 
 Record.prototype.hashCode = function hashCode () {
-  return this._values.hashCode();
+  return recordSeq(this).hashCode();
 };
 
 // @pragma Access
@@ -5271,6 +5271,15 @@ Record.prototype.set = function set (k, v) {
   return this;
 };
 
+Record.prototype.remove = function remove (k) {
+  return this.set(k);
+};
+
+Record.prototype.clear = function clear () {
+  var newValues = this._values.clear().setSize(this._keys.length);
+  return this.__ownerID ? this : makeRecord(this, newValues);
+};
+
 Record.prototype.wasAltered = function wasAltered () {
   return this._values.wasAltered();
 };
@@ -5308,6 +5317,7 @@ Record.isRecord = isRecord;
 Record.getDescriptiveName = recordName;
 var RecordPrototype = Record.prototype;
 RecordPrototype[IS_RECORD_SENTINEL] = true;
+RecordPrototype[DELETE] = RecordPrototype.remove;
 RecordPrototype.getIn = CollectionPrototype.getIn;
 RecordPrototype.hasIn = CollectionPrototype.hasIn;
 RecordPrototype.merge = MapPrototype.merge;
diff --git a/dist/immutable.js.flow b/dist/immutable.js.flow
index b70f35b914..e1513dcd26 100644
--- a/dist/immutable.js.flow
+++ b/dist/immutable.js.flow
@@ -1091,6 +1091,10 @@ declare class RecordInstance<T: Object> {
     ...collections: Array<$Shape<T> | Iterable<[string, any]>>
   ): this;
 
+  delete<K: $Keys<T>>(key: K): this;
+  remove<K: $Keys<T>>(key: K): this;
+  clear(): this;
+
   setIn(keyPath: Iterable<any>, value: any): this;
   updateIn(keyPath: Iterable<any>, updater: (value: any) => any): this;
   mergeIn(keyPath: Iterable<any>, ...collections: Array<any>): this;
diff --git a/dist/immutable.min.js b/dist/immutable.min.js
index baaf0f0cac..ca89b0c77f 100644
--- a/dist/immutable.min.js
+++ b/dist/immutable.min.js
@@ -6,34 +6,34 @@
  *  LICENSE file in the root directory of this source tree. An additional grant
  *  of patent rights can be found in the PATENTS file in the same directory.
  */
-!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports):"function"==typeof define&&define.amd?define(["exports"],e):e(t.Immutable=t.Immutable||{})}(this,function(t){"use strict";function e(t){return t.value=!1,t}function r(t){t&&(t.value=!0)}function n(){}function i(t,e){e=e||0;for(var r=Math.max(0,t.length-e),n=Array(r),i=0;i<r;i++)n[i]=t[i+e];return n}function o(t){return void 0===t.size&&(t.size=t.__iterate(s)),t.size}function u(t,e){if("number"!=typeof e){var r=e>>>0;if(""+r!==e||4294967295===r)return NaN;e=r}return e<0?o(t)+e:e}function s(){return!0}function a(t,e,r){return(0===t||void 0!==r&&t<=-r)&&(void 0===e||void 0!==r&&e>=r)}function c(t,e){return f(t,e,0)}function h(t,e){return f(t,e,e)}function f(t,e,r){return void 0===t?r:t<0?e===1/0?e:0|Math.max(0,e+t):void 0===e||e===t?t:0|Math.min(e,t)}function p(t){return(_(t)||g(t))&&!t.__ownerID}function _(t){return!(!t||!t[ke])}function l(t){return!(!t||!t[Ae])}function v(t){return!(!t||!t[Re])}function y(t){return l(t)||v(t)}function d(t){return!(!t||!t[Ue])}function g(t){return!(!t||!t[Ke])}function m(t){return!(!t||"function"!=typeof t.equals||"function"!=typeof t.hashCode)}function w(t,e,r,n){var i=0===t?e:1===t?r:[e,r];return n?n.value=i:n={value:i,done:!1},n}function z(){return{value:void 0,done:!0}}function S(t){return!!O(t)}function I(t){return t&&"function"==typeof t.next}function b(t){var e=O(t);return e&&e.call(t)}function O(t){var e=t&&(Ne&&t[Ne]||t[Ve]);if("function"==typeof e)return e}function M(t){return t&&"number"==typeof t.length}function q(t){return!(!t||!t[Ze])}function D(){return er||(er=new $e([]))}function E(t){var e=Array.isArray(t)?new $e(t):I(t)?new ir(t):S(t)?new nr(t):void 0;if(e)return e.fromEntrySeq();if("object"==typeof t)return new tr(t);throw new TypeError("Expected Array or collection object of [k, v] entries, or keyed object: "+t)}function x(t){var e=k(t);if(e)return e;throw new TypeError("Expected Array or collection object of values: "+t)}function j(t){var e=k(t);if(e)return e
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+!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports):"function"==typeof define&&define.amd?define(["exports"],e):e(t.Immutable=t.Immutable||{})}(this,function(t){"use strict";function e(t){return t.value=!1,t}function r(t){t&&(t.value=!0)}function n(){}function i(t,e){e=e||0;for(var r=Math.max(0,t.length-e),n=Array(r),i=0;i<r;i++)n[i]=t[i+e];return n}function o(t){return void 0===t.size&&(t.size=t.__iterate(s)),t.size}function u(t,e){if("number"!=typeof e){var r=e>>>0;if(""+r!==e||4294967295===r)return NaN;e=r}return e<0?o(t)+e:e}function s(){return!0}function a(t,e,r){return(0===t||void 0!==r&&t<=-r)&&(void 0===e||void 0!==r&&e>=r)}function c(t,e){return f(t,e,0)}function h(t,e){return f(t,e,e)}function f(t,e,r){return void 0===t?r:t<0?e===1/0?e:0|Math.max(0,e+t):void 0===e||e===t?t:0|Math.min(e,t)}function p(t){return(_(t)||g(t))&&!t.__ownerID}function _(t){return!(!t||!t[je])}function l(t){return!(!t||!t[Ae])}function v(t){return!(!t||!t[Re])}function y(t){return l(t)||v(t)}function d(t){return!(!t||!t[Ue])}function g(t){return!(!t||!t[Ke])}function m(t){return!(!t||"function"!=typeof t.equals||"function"!=typeof t.hashCode)}function w(t,e,r,n){var i=0===t?e:1===t?r:[e,r];return n?n.value=i:n={value:i,done:!1},n}function z(){return{value:void 0,done:!0}}function S(t){return!!O(t)}function I(t){return t&&"function"==typeof t.next}function b(t){var e=O(t);return e&&e.call(t)}function O(t){var e=t&&(Ne&&t[Ne]||t[Ve]);if("function"==typeof e)return e}function M(t){return t&&"number"==typeof t.length}function D(t){return!(!t||!t[Ze])}function q(){return er||(er=new $e([]))}function E(t){var e=Array.isArray(t)?new $e(t):I(t)?new ir(t):S(t)?new nr(t):void 0;if(e)return e.fromEntrySeq();if("object"==typeof t)return new tr(t);throw new TypeError("Expected Array or collection object of [k, v] entries, or keyed object: "+t)}function x(t){var e=j(t);if(e)return e;throw new TypeError("Expected Array or collection object of values: "+t)}function k(t){var e=j(t);if(e)return e
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-return t="function"==typeof t.includes?t:Le(t),this.every(function(e){return t.includes(e)})},isSuperset:function(t){return t="function"==typeof t.isSubset?t:Le(t),t.isSubset(this)},keyOf:function(t){return this.findKey(function(e){return A(e,t)})},keySeq:function(){return this.toSeq().map(ce).toIndexedSeq()},last:function(){return this.toSeq().reverse().first()},lastKeyOf:function(t){return this.toKeyedSeq().reverse().keyOf(t)},max:function(t){return it(this,t)},maxBy:function(t,e){return it(this,e,t)},min:function(t){return it(this,t?_e(t):ve)},minBy:function(t,e){return it(this,e?_e(e):ve,t)},rest:function(){return this.slice(1)},skip:function(t){return 0===t?this:this.slice(Math.max(0,t))},skipLast:function(t){return 0===t?this:this.slice(0,-Math.max(0,t))},skipWhile:function(t,e){return st(this,Z(this,t,e,!0))},skipUntil:function(t,e){return this.skipWhile(pe(t),e)},sortBy:function(t,e){return st(this,nt(this,e,t))},take:function(t){return this.slice(0,Math.max(0,t))},takeLast:function(t){return this.slice(-Math.max(0,t))},takeWhile:function(t,e){return st(this,G(this,t,e))},takeUntil:function(t,e){return this.takeWhile(pe(t),e)},update:function(t){return t(this)},valueSeq:function(){return this.toIndexedSeq()},hashCode:function(){return this.__hash||(this.__hash=ye(this))}});var Fr=Le.prototype;Fr[ke]=!0,Fr[He]=Fr.values,Fr.toJSON=Fr.toArray,Fr.__toStringMapper=yt,Fr.inspect=Fr.toSource=function(){return""+this},Fr.chain=Fr.flatMap,Fr.contains=Fr.includes,ne(Te,{flip:function(){return st(this,N(this))},mapEntries:function(t,e){var r=this,n=0;return st(this,this.toSeq().map(function(i,o){return t.call(e,[o,i],n++,r)}).fromEntrySeq())},mapKeys:function(t,e){var r=this;return st(this,this.toSeq().flip().map(function(n,i){return t.call(e,n,i,r)}).flip())}});var Gr=Te.prototype;Gr[Ae]=!0,Gr[He]=Fr.entries,Gr.toJSON=Fr.toObject,Gr.__toStringMapper=function(t,e){return yt(e)+": "+yt(t)},ne(Ce,{toKeyedSeq:function(){return new vr(this,!1)},filter:function(t,e){return st(this,Y(this,t,e,!1))},
+return t="function"==typeof t.includes?t:Le(t),this.every(function(e){return t.includes(e)})},isSuperset:function(t){return t="function"==typeof t.isSubset?t:Le(t),t.isSubset(this)},keyOf:function(t){return this.findKey(function(e){return A(e,t)})},keySeq:function(){return this.toSeq().map(ce).toIndexedSeq()},last:function(){return this.toSeq().reverse().first()},lastKeyOf:function(t){return this.toKeyedSeq().reverse().keyOf(t)},max:function(t){return it(this,t)},maxBy:function(t,e){return it(this,e,t)},min:function(t){return it(this,t?_e(t):ve)},minBy:function(t,e){return it(this,e?_e(e):ve,t)},rest:function(){return this.slice(1)},skip:function(t){return 0===t?this:this.slice(Math.max(0,t))},skipLast:function(t){return 0===t?this:this.slice(0,-Math.max(0,t))},skipWhile:function(t,e){return st(this,Z(this,t,e,!0))},skipUntil:function(t,e){return this.skipWhile(pe(t),e)},sortBy:function(t,e){return st(this,nt(this,e,t))},take:function(t){return this.slice(0,Math.max(0,t))},takeLast:function(t){return this.slice(-Math.max(0,t))},takeWhile:function(t,e){return st(this,G(this,t,e))},takeUntil:function(t,e){return this.takeWhile(pe(t),e)},update:function(t){return t(this)},valueSeq:function(){return this.toIndexedSeq()},hashCode:function(){return this.__hash||(this.__hash=ye(this))}});var Fr=Le.prototype;Fr[je]=!0,Fr[He]=Fr.values,Fr.toJSON=Fr.toArray,Fr.__toStringMapper=yt,Fr.inspect=Fr.toSource=function(){return""+this},Fr.chain=Fr.flatMap,Fr.contains=Fr.includes,ne(Te,{flip:function(){return st(this,N(this))},mapEntries:function(t,e){var r=this,n=0;return st(this,this.toSeq().map(function(i,o){return t.call(e,[o,i],n++,r)}).fromEntrySeq())},mapKeys:function(t,e){var r=this;return st(this,this.toSeq().flip().map(function(n,i){return t.call(e,n,i,r)}).flip())}});var Gr=Te.prototype;Gr[Ae]=!0,Gr[He]=Fr.entries,Gr.toJSON=Fr.toObject,Gr.__toStringMapper=function(t,e){return yt(e)+": "+yt(t)},ne(Ce,{toKeyedSeq:function(){return new vr(this,!1)},filter:function(t,e){return st(this,Y(this,t,e,!1))},
 findIndex:function(t,e){var r=this.findEntry(t,e);return r?r[0]:-1},indexOf:function(t){var e=this.keyOf(t);return void 0===e?-1:e},lastIndexOf:function(t){var e=this.lastKeyOf(t);return void 0===e?-1:e},reverse:function(){return st(this,H(this,!1))},slice:function(t,e){return st(this,F(this,t,e,!1))},splice:function(t,e){var r=arguments.length;if(e=Math.max(e||0,0),0===r||2===r&&!e)return this;t=c(t,t<0?this.count():this.size);var n=this.slice(0,t);return st(this,1===r?n:n.concat(i(arguments,2),this.slice(t+e)))},findLastIndex:function(t,e){var r=this.findLastEntry(t,e);return r?r[0]:-1},first:function(){return this.get(0)},flatten:function(t){return st(this,tt(this,t,!1))},get:function(t,e){return t=u(this,t),t<0||this.size===1/0||void 0!==this.size&&t>this.size?e:this.find(function(e,r){return r===t},void 0,e)},has:function(t){return(t=u(this,t))>=0&&(void 0!==this.size?this.size===1/0||t<this.size:this.indexOf(t)!==-1)},interpose:function(t){return st(this,rt(this,t))},interleave:function(){var t=[this].concat(i(arguments)),e=ut(this.toSeq(),Fe.of,t),r=e.flatten(!0);return e.size&&(r.size=e.size*t.length),st(this,r)},keySeq:function(){return Xr(0,this.size)},last:function(){return this.get(-1)},skipWhile:function(t,e){return st(this,Z(this,t,e,!1))},zip:function(){return st(this,ut(this,le,[this].concat(i(arguments))))},zipWith:function(t){var e=i(arguments);return e[0]=this,st(this,ut(this,t,e))}});var Zr=Ce.prototype;Zr[Re]=!0,Zr[Ue]=!0,ne(We,{get:function(t,e){return this.has(t)?t:e},includes:function(t){return this.has(t)},keySeq:function(){return this.valueSeq()}}),We.prototype.has=Fr.includes,We.prototype.contains=We.prototype.includes,ne(Xe,Te.prototype),ne(Fe,Ce.prototype),ne(Ge,We.prototype);var $r=function(t){function e(t){return null===t||void 0===t?ze():me(t)?t:ze().withMutations(function(e){var r=We(t);vt(r.size),r.forEach(function(t){return e.add(t)})})}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.of=function(){return this(arguments)},
-e.fromKeys=function(t){return this(Te(t).keySeq())},e.prototype.toString=function(){return this.__toString("OrderedSet {","}")},e}(Nr);$r.isOrderedSet=me;var tn=$r.prototype;tn[Ue]=!0,tn.zip=Zr.zip,tn.zipWith=Zr.zipWith,tn.__empty=ze,tn.__make=we;var en,rn=function(t,e){var r,n=function(o){var u=this;if(o instanceof n)return o;if(!(this instanceof n))return new n(o);if(!r){r=!0;var s=Object.keys(t),a=i._indices={};i._name=e,i._keys=s,i._defaultValues=t;for(var c=0;c<s.length;c++){var h=s[c];a[h]=c,i[h]?"object"==typeof console&&console.warn&&console.warn("Cannot define "+Ie(u)+' with property "'+h+'" since that property name is part of the Record API.'):Oe(i,h)}}this.__ownerID=void 0,this._values=kr().withMutations(function(t){t.setSize(u._keys.length),Te(o).forEach(function(e,r){t.set(u._indices[r],e===u._defaultValues[r]?void 0:e)})})},i=n.prototype=Object.create(nn);return i.constructor=n,n};rn.prototype.toString=function(){for(var t,e=this,r=Ie(this)+" { ",n=this._keys,i=0,o=n.length;i!==o;i++)t=n[i],r+=(i?", ":"")+t+": "+yt(e.get(t));return r+" }"},rn.prototype.equals=function(t){return this===t||this._keys===t._keys&&this._values.equals(t._values)},rn.prototype.hashCode=function(){return this._values.hashCode()},rn.prototype.has=function(t){return this._indices.hasOwnProperty(t)},rn.prototype.get=function(t,e){if(!this.has(t))return e;var r=this._indices[t],n=this._values.get(r);return void 0===n?this._defaultValues[t]:n},rn.prototype.set=function(t,e){if(this.has(t)){var r=this._values.set(this._indices[t],e===this._defaultValues[t]?void 0:e);if(r!==this._values&&!this.__ownerID)return Se(this,r)}return this},rn.prototype.wasAltered=function(){return this._values.wasAltered()},rn.prototype.toSeq=function(){return be(this)},rn.prototype.toJS=function(){return be(this).toJS()},rn.prototype.__iterator=function(t,e){return be(this).__iterator(t,e)},rn.prototype.__iterate=function(t,e){return be(this).__iterate(t,e)},rn.prototype.__ensureOwner=function(t){if(t===this.__ownerID)return this
-;var e=this._values.__ensureOwner(t);return t?Se(this,e,t):(this.__ownerID=t,this._values=e,this)},rn.isRecord=g,rn.getDescriptiveName=Ie;var nn=rn.prototype;nn[Ke]=!0,nn.getIn=Fr.getIn,nn.hasIn=Fr.hasIn,nn.merge=zr.merge,nn.mergeWith=zr.mergeWith,nn.mergeIn=zr.mergeIn,nn.mergeDeep=zr.mergeDeep,nn.mergeDeepWith=zr.mergeDeepWith,nn.mergeDeepIn=zr.mergeDeepIn,nn.setIn=zr.setIn,nn.update=zr.update,nn.updateIn=zr.updateIn,nn.withMutations=zr.withMutations,nn.asMutable=zr.asMutable,nn.asImmutable=zr.asImmutable,nn[He]=Fr.entries,nn.toJSON=nn.toObject=Fr.toObject,nn.inspect=nn.toSource=Fr.toSource;var on,un=function(t){function e(t,r){if(!(this instanceof e))return new e(t,r);if(this._value=t,0===(this.size=void 0===r?1/0:Math.max(0,r))){if(on)return on;on=this}}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.toString=function(){return 0===this.size?"Repeat []":"Repeat [ "+this._value+" "+this.size+" times ]"},e.prototype.get=function(t,e){return this.has(t)?this._value:e},e.prototype.includes=function(t){return A(this._value,t)},e.prototype.slice=function(t,r){var n=this.size;return a(t,r,n)?this:new e(this._value,h(r,n)-c(t,n))},e.prototype.reverse=function(){return this},e.prototype.indexOf=function(t){return A(this._value,t)?0:-1},e.prototype.lastIndexOf=function(t){return A(this._value,t)?this.size:-1},e.prototype.__iterate=function(t,e){for(var r=this,n=this.size,i=0;i!==n&&t(r._value,e?n-++i:i++,r)!==!1;);return i},e.prototype.__iterator=function(t,e){var r=this,n=this.size,i=0;return new Ye(function(){return i===n?z():w(t,e?n-++i:i++,r._value)})},e.prototype.equals=function(t){return t instanceof e?A(this._value,t._value):re(t)},e}(Fe),sn={Collection:Le,Iterable:Le,Seq:Qe,Map:mr,OrderedMap:Tr,List:kr,Stack:Wr,Set:Nr,OrderedSet:$r,Record:rn,Range:Xr,Repeat:un,is:A,fromJS:R,hash:C,isImmutable:p,isCollection:_,isKeyed:l,isIndexed:v,isAssociative:y,isOrdered:d,isValueObject:m},an=Le;t.default=sn,t.Collection=Le,t.Iterable=an,t.Seq=Qe,t.Map=mr,
-t.OrderedMap=Tr,t.List=kr,t.Stack=Wr,t.Set=Nr,t.OrderedSet=$r,t.Record=rn,t.Range=Xr,t.Repeat=un,t.is=A,t.fromJS=R,t.hash=C,t.isImmutable=p,t.isCollection=_,t.isKeyed=l,t.isIndexed=v,t.isAssociative=y,t.isOrdered=d,t.isValueObject=m,Object.defineProperty(t,"__esModule",{value:!0})});
\ No newline at end of file
+e.fromKeys=function(t){return this(Te(t).keySeq())},e.prototype.toString=function(){return this.__toString("OrderedSet {","}")},e}(Nr);$r.isOrderedSet=me;var tn=$r.prototype;tn[Ue]=!0,tn.zip=Zr.zip,tn.zipWith=Zr.zipWith,tn.__empty=ze,tn.__make=we;var en,rn=function(t,e){var r,n=function(o){var u=this;if(o instanceof n)return o;if(!(this instanceof n))return new n(o);if(!r){r=!0;var s=Object.keys(t),a=i._indices={};i._name=e,i._keys=s,i._defaultValues=t;for(var c=0;c<s.length;c++){var h=s[c];a[h]=c,i[h]?"object"==typeof console&&console.warn&&console.warn("Cannot define "+Ie(u)+' with property "'+h+'" since that property name is part of the Record API.'):Oe(i,h)}}this.__ownerID=void 0,this._values=jr().withMutations(function(t){t.setSize(u._keys.length),Te(o).forEach(function(e,r){t.set(u._indices[r],e===u._defaultValues[r]?void 0:e)})})},i=n.prototype=Object.create(nn);return i.constructor=n,n};rn.prototype.toString=function(){for(var t,e=this,r=Ie(this)+" { ",n=this._keys,i=0,o=n.length;i!==o;i++)t=n[i],r+=(i?", ":"")+t+": "+yt(e.get(t));return r+" }"},rn.prototype.equals=function(t){return this===t||this._keys===t._keys&&be(this).equals(be(t))},rn.prototype.hashCode=function(){return be(this).hashCode()},rn.prototype.has=function(t){return this._indices.hasOwnProperty(t)},rn.prototype.get=function(t,e){if(!this.has(t))return e;var r=this._indices[t],n=this._values.get(r);return void 0===n?this._defaultValues[t]:n},rn.prototype.set=function(t,e){if(this.has(t)){var r=this._values.set(this._indices[t],e===this._defaultValues[t]?void 0:e);if(r!==this._values&&!this.__ownerID)return Se(this,r)}return this},rn.prototype.remove=function(t){return this.set(t)},rn.prototype.clear=function(){var t=this._values.clear().setSize(this._keys.length);return this.__ownerID?this:Se(this,t)},rn.prototype.wasAltered=function(){return this._values.wasAltered()},rn.prototype.toSeq=function(){return be(this)},rn.prototype.toJS=function(){return be(this).toJS()},rn.prototype.__iterator=function(t,e){return be(this).__iterator(t,e)},
+rn.prototype.__iterate=function(t,e){return be(this).__iterate(t,e)},rn.prototype.__ensureOwner=function(t){if(t===this.__ownerID)return this;var e=this._values.__ensureOwner(t);return t?Se(this,e,t):(this.__ownerID=t,this._values=e,this)},rn.isRecord=g,rn.getDescriptiveName=Ie;var nn=rn.prototype;nn[Ke]=!0,nn.delete=nn.remove,nn.getIn=Fr.getIn,nn.hasIn=Fr.hasIn,nn.merge=zr.merge,nn.mergeWith=zr.mergeWith,nn.mergeIn=zr.mergeIn,nn.mergeDeep=zr.mergeDeep,nn.mergeDeepWith=zr.mergeDeepWith,nn.mergeDeepIn=zr.mergeDeepIn,nn.setIn=zr.setIn,nn.update=zr.update,nn.updateIn=zr.updateIn,nn.withMutations=zr.withMutations,nn.asMutable=zr.asMutable,nn.asImmutable=zr.asImmutable,nn[He]=Fr.entries,nn.toJSON=nn.toObject=Fr.toObject,nn.inspect=nn.toSource=Fr.toSource;var on,un=function(t){function e(t,r){if(!(this instanceof e))return new e(t,r);if(this._value=t,0===(this.size=void 0===r?1/0:Math.max(0,r))){if(on)return on;on=this}}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.toString=function(){return 0===this.size?"Repeat []":"Repeat [ "+this._value+" "+this.size+" times ]"},e.prototype.get=function(t,e){return this.has(t)?this._value:e},e.prototype.includes=function(t){return A(this._value,t)},e.prototype.slice=function(t,r){var n=this.size;return a(t,r,n)?this:new e(this._value,h(r,n)-c(t,n))},e.prototype.reverse=function(){return this},e.prototype.indexOf=function(t){return A(this._value,t)?0:-1},e.prototype.lastIndexOf=function(t){return A(this._value,t)?this.size:-1},e.prototype.__iterate=function(t,e){for(var r=this,n=this.size,i=0;i!==n&&t(r._value,e?n-++i:i++,r)!==!1;);return i},e.prototype.__iterator=function(t,e){var r=this,n=this.size,i=0;return new Ye(function(){return i===n?z():w(t,e?n-++i:i++,r._value)})},e.prototype.equals=function(t){return t instanceof e?A(this._value,t._value):re(t)},e}(Fe),sn={Collection:Le,Iterable:Le,Seq:Qe,Map:mr,OrderedMap:Tr,List:jr,Stack:Wr,Set:Nr,OrderedSet:$r,Record:rn,Range:Xr,Repeat:un,is:A,fromJS:R,hash:C,isImmutable:p,
+isCollection:_,isKeyed:l,isIndexed:v,isAssociative:y,isOrdered:d,isValueObject:m},an=Le;t.default=sn,t.Collection=Le,t.Iterable=an,t.Seq=Qe,t.Map=mr,t.OrderedMap=Tr,t.List=jr,t.Stack=Wr,t.Set=Nr,t.OrderedSet=$r,t.Record=rn,t.Range=Xr,t.Repeat=un,t.is=A,t.fromJS=R,t.hash=C,t.isImmutable=p,t.isCollection=_,t.isKeyed=l,t.isIndexed=v,t.isAssociative=y,t.isOrdered=d,t.isValueObject=m,Object.defineProperty(t,"__esModule",{value:!0})});
\ No newline at end of file
diff --git a/src/Record.js b/src/Record.js
index a690c38426..dcb0a43166 100644
--- a/src/Record.js
+++ b/src/Record.js
@@ -14,6 +14,7 @@ import { List } from './List';
 import { ITERATOR_SYMBOL } from './Iterator';
 import { isRecord, IS_RECORD_SENTINEL } from './Predicates';
 import { CollectionPrototype } from './CollectionImpl';
+import { DELETE } from './TrieUtils';
 
 import invariant from './utils/invariant';
 import quoteString from './utils/quoteString';
@@ -86,11 +87,11 @@ export class Record {
 
   equals(other) {
     return this === other ||
-      (this._keys === other._keys && this._values.equals(other._values));
+      (this._keys === other._keys && recordSeq(this).equals(recordSeq(other)));
   }
 
   hashCode() {
-    return this._values.hashCode();
+    return recordSeq(this).hashCode();
   }
 
   // @pragma Access
@@ -123,6 +124,15 @@ export class Record {
     return this;
   }
 
+  remove(k) {
+    return this.set(k);
+  }
+
+  clear() {
+    const newValues = this._values.clear().setSize(this._keys.length);
+    return this.__ownerID ? this : makeRecord(this, newValues);
+  }
+
   wasAltered() {
     return this._values.wasAltered();
   }
@@ -161,6 +171,7 @@ Record.isRecord = isRecord;
 Record.getDescriptiveName = recordName;
 const RecordPrototype = Record.prototype;
 RecordPrototype[IS_RECORD_SENTINEL] = true;
+RecordPrototype[DELETE] = RecordPrototype.remove;
 RecordPrototype.getIn = CollectionPrototype.getIn;
 RecordPrototype.hasIn = CollectionPrototype.hasIn;
 RecordPrototype.merge = MapPrototype.merge;
diff --git a/type-definitions/Immutable.d.ts b/type-definitions/Immutable.d.ts
index 471536348e..367201a4fc 100644
--- a/type-definitions/Immutable.d.ts
+++ b/type-definitions/Immutable.d.ts
@@ -2162,6 +2162,21 @@ declare module Immutable {
         ...collections: Array<Partial<T> | Iterable<[string, any]>>
       ): this;
 
+      /**
+       * Returns a new instance of this Record type with the value for the
+       * specific key set to its default value.
+       *
+       * @alias remove
+       */
+      delete<K extends keyof T>(key: K): this;
+      remove<K extends keyof T>(key: K): this;
+
+      /**
+       * Returns a new instance of this Record type with all values set
+       * to their default values.
+       */
+      clear(): this;
+
       // Deep persistent changes
 
       setIn(keyPath: Iterable<any>, value: any): this;
diff --git a/type-definitions/immutable.js.flow b/type-definitions/immutable.js.flow
index b70f35b914..e1513dcd26 100644
--- a/type-definitions/immutable.js.flow
+++ b/type-definitions/immutable.js.flow
@@ -1091,6 +1091,10 @@ declare class RecordInstance<T: Object> {
     ...collections: Array<$Shape<T> | Iterable<[string, any]>>
   ): this;
 
+  delete<K: $Keys<T>>(key: K): this;
+  remove<K: $Keys<T>>(key: K): this;
+  clear(): this;
+
   setIn(keyPath: Iterable<any>, value: any): this;
   updateIn(keyPath: Iterable<any>, updater: (value: any) => any): this;
   mergeIn(keyPath: Iterable<any>, ...collections: Array<any>): this;