diff --git a/lib/fp/mapping.js b/lib/fp/mapping.js
index de71807fe..ac97db231 100644
--- a/lib/fp/mapping.js
+++ b/lib/fp/mapping.js
@@ -47,6 +47,7 @@ module.exports = {
     'findLast': 1,
     'findLastIndex': 1,
     'findLastKey': 1,
+    'flatMap': 1,
     'forEach': 1,
     'forEachRight': 1,
     'forIn': 1,
@@ -80,11 +81,11 @@ module.exports = {
       'add,ary,assign,at,bind,bindKey,cloneDeepWith,cloneWith,concat,countBy,curryN,' +
       'debounce,defaults,defaultsDeep,delay,difference,drop,dropRight,dropRightWhile,' +
       'dropWhile,endsWith,every,extend,filter,find,find,findIndex,findKey,findLast,' +
-      'findLastIndex,findLastKey,forEach,forEachRight,forIn,forInRight,forOwn,' +
-      'forOwnRight,get,groupBy,includes,indexBy,indexOf,intersection,invoke,isMatch,' +
-      'lastIndexOf,map,mapKeys,mapValues,matchesProperty,maxBy,mean,minBy,merge,' +
-      'modArgs,modArgsSet,omit,pad,padLeft,padRight,parseInt,partition,pick,pull,' +
-      'pullAll,pullAt,random,range,rearg,reject,remove,repeat,result,sampleSize,' +
+      'findLastIndex,findLastKey,flatMap,forEach,forEachRight,forIn,forInRight,' +
+      'forOwn,forOwnRight,get,groupBy,includes,indexBy,indexOf,intersection,invoke,' +
+      'isMatch,lastIndexOf,map,mapKeys,mapValues,matchesProperty,maxBy,mean,minBy,' +
+      'merge,modArgs,modArgsSet,omit,pad,padLeft,padRight,parseInt,partition,pick,' +
+      'pull,pullAll,pullAt,random,range,rearg,reject,remove,repeat,result,sampleSize,' +
       'set,some,sortBy,sortByOrder,sortedIndexBy,sortedLastIndexBy,sortedUniqBy,' +
       'startsWith,subtract,sumBy,take,takeRight,takeRightWhile,takeWhile,throttle,' +
       'times,truncate,union,uniqBy,without,wrap,xor,zip,zipObject').split(','),
@@ -119,10 +120,7 @@ module.exports = {
   'keyMap': {
     'curryN': 'curry',
     'curryRightN': 'curryRight',
-    'debounceOpt': 'debounce',
-    'fromPairs': 'zipObject',
-    'getOr': 'get',
-    'throttleOpt': 'throttle'
+    'getOr': 'get'
   },
 
   /** Used to identify methods which mutate arrays or objects. */