diff --git a/.internal/createRange.js b/.internal/createRange.js
index 9e1525f28..dd4612911 100644
--- a/.internal/createRange.js
+++ b/.internal/createRange.js
@@ -1,5 +1,4 @@
 import baseRange from './baseRange.js'
-import isIterateeCall from './isIterateeCall.js'
 import toFinite from '../toFinite.js'
 
 /**
@@ -11,9 +10,6 @@ import toFinite from '../toFinite.js'
  */
 function createRange(fromRight) {
   return (start, end, step) => {
-    if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {
-      end = step = undefined
-    }
     // Ensure the sign of `-0` is preserved.
     start = toFinite(start)
     if (end === undefined) {
diff --git a/.internal/isIterateeCall.js b/.internal/isIterateeCall.js
deleted file mode 100644
index 0bad8adec..000000000
--- a/.internal/isIterateeCall.js
+++ /dev/null
@@ -1,30 +0,0 @@
-import eq from '../eq.js'
-import isArrayLike from '../isArrayLike.js'
-import isIndex from './isIndex.js'
-import isObject from '../isObject.js'
-
-/**
- * Checks if the given arguments are from an iteratee call.
- *
- * @private
- * @param {*} value The potential iteratee value argument.
- * @param {*} index The potential iteratee index or key argument.
- * @param {*} object The potential iteratee object argument.
- * @returns {boolean} Returns `true` if the arguments are from an iteratee call,
- *  else `false`.
- */
-function isIterateeCall(value, index, object) {
-  if (!isObject(object)) {
-    return false
-  }
-  const type = typeof index
-  if (type == 'number'
-        ? (isArrayLike(object) && isIndex(index, object.length))
-        : (type == 'string' && index in object)
-      ) {
-    return eq(object[index], value)
-  }
-  return false
-}
-
-export default isIterateeCall
diff --git a/chunk.js b/chunk.js
index 53395ce16..fd04f13be 100644
--- a/chunk.js
+++ b/chunk.js
@@ -1,5 +1,4 @@
 import baseSlice from './.internal/baseSlice.js'
-import isIterateeCall from './.internal/isIterateeCall.js'
 import toInteger from './toInteger.js'
 
 /* Built-in method references for those with the same name as other `lodash` methods. */
@@ -15,7 +14,6 @@ const nativeMax = Math.max
  * @category Array
  * @param {Array} array The array to process.
  * @param {number} [size=1] The length of each chunk
- * @param- {Object} [guard] Enables use as an iteratee for methods like `map`.
  * @returns {Array} Returns the new array of chunks.
  * @example
  *
@@ -25,12 +23,8 @@ const nativeMax = Math.max
  * chunk(['a', 'b', 'c', 'd'], 3)
  * // => [['a', 'b', 'c'], ['d']]
  */
-function chunk(array, size, guard) {
-  if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {
-    size = 1
-  } else {
-    size = nativeMax(toInteger(size), 0)
-  }
+function chunk(array, size) {
+  size = nativeMax(toInteger(size), 0)
   const length = array == null ? 0 : array.length
   if (!length || size < 1) {
     return []
diff --git a/every.js b/every.js
index 5f29f7b79..3e3037d6a 100644
--- a/every.js
+++ b/every.js
@@ -1,6 +1,5 @@
 import arrayEvery from './.internal/arrayEvery.js'
 import baseEvery from './.internal/baseEvery.js'
-import isIterateeCall from './.internal/isIterateeCall.js'
 
 /**
  * Checks if `predicate` returns truthy for **all** elements of `collection`.
@@ -16,7 +15,6 @@ import isIterateeCall from './.internal/isIterateeCall.js'
  * @category Collection
  * @param {Array|Object} collection The collection to iterate over.
  * @param {Function} predicate The function invoked per iteration.
- * @param- {Object} [guard] Enables use as an iteratee for methods like `map`.
  * @returns {boolean} Returns `true` if all elements pass the predicate check,
  *  else `false`.
  * @example
@@ -24,11 +22,8 @@ import isIterateeCall from './.internal/isIterateeCall.js'
  * every([true, 1, null, 'yes'], Boolean)
  * // => false
  */
-function every(collection, predicate, guard) {
+function every(collection, predicate) {
   const func = Array.isArray(collection) ? arrayEvery : baseEvery
-  if (guard && isIterateeCall(collection, predicate, guard)) {
-    predicate = undefined
-  }
   return func(collection, predicate)
 }
 
diff --git a/random.js b/random.js
index 6a8ffb31b..a10a1b475 100644
--- a/random.js
+++ b/random.js
@@ -1,4 +1,3 @@
-import isIterateeCall from './.internal/isIterateeCall.js'
 import toFinite from './toFinite.js'
 
 /** Built-in method references without a dependency on `root`. */
@@ -38,9 +37,6 @@ const nativeRandom = Math.random
  * // => a floating-point number between 1.2 and 5.2
  */
 function random(lower, upper, floating) {
-  if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {
-    upper = floating = undefined
-  }
   if (floating === undefined) {
     if (typeof upper == 'boolean') {
       floating = upper
diff --git a/repeat.js b/repeat.js
index 856edaed0..0e3d51d6e 100644
--- a/repeat.js
+++ b/repeat.js
@@ -1,5 +1,4 @@
 import baseRepeat from './.internal/baseRepeat.js'
-import isIterateeCall from './.internal/isIterateeCall.js'
 import toInteger from './toInteger.js'
 import toString from './toString.js'
 
@@ -10,7 +9,6 @@ import toString from './toString.js'
  * @category String
  * @param {string} [string=''] The string to repeat.
  * @param {number} [n=1] The number of times to repeat the string.
- * @param- {Object} [guard] Enables use as an iteratee for methods like `map`.
  * @returns {string} Returns the repeated string.
  * @example
  *
@@ -23,12 +21,8 @@ import toString from './toString.js'
  * repeat('abc', 0)
  * // => ''
  */
-function repeat(string, n, guard) {
-  if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {
-    n = 1
-  } else {
-    n = toInteger(n)
-  }
+function repeat(string, n) {
+  n = toInteger(n)
   return baseRepeat(toString(string), n)
 }
 
diff --git a/sampleSize.js b/sampleSize.js
index 1d10f94ee..a903edbf0 100644
--- a/sampleSize.js
+++ b/sampleSize.js
@@ -1,4 +1,3 @@
-import isIterateeCall from './.internal/isIterateeCall.js'
 import copyArray from './.internal/copyArray.js'
 import toInteger from './toInteger.js'
 
@@ -10,7 +9,6 @@ import toInteger from './toInteger.js'
  * @category Array
  * @param {Array} array The array to sample.
  * @param {number} [n=1] The number of elements to sample.
- * @param- {Object} [guard] Enables use as an iteratee for methods like `map`.
  * @returns {Array} Returns the random elements.
  * @example
  *
@@ -20,12 +18,8 @@ import toInteger from './toInteger.js'
  * sampleSize([1, 2, 3], 4)
  * // => [2, 3, 1]
  */
-function sampleSize(array, n, guard) {
-  if ((guard ? isIterateeCall(array, n, guard) : n === undefined)) {
-    n = 1
-  } else {
-    n = toInteger(n)
-  }
+function sampleSize(array, n) {
+  n = toInteger(n)
   const length = array == null ? 0 : array.length
   if (!length || n < 1) {
     return []
diff --git a/slice.js b/slice.js
index 378bdb781..2f344d1aa 100644
--- a/slice.js
+++ b/slice.js
@@ -1,5 +1,4 @@
 import baseSlice from './.internal/baseSlice.js'
-import isIterateeCall from './.internal/isIterateeCall.js'
 import toInteger from './toInteger.js'
 
 /**
@@ -21,14 +20,8 @@ function slice(array, start, end) {
   if (!length) {
     return []
   }
-  if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {
-    start = 0
-    end = length
-  }
-  else {
-    start = start == null ? 0 : toInteger(start)
-    end = end === undefined ? length : toInteger(end)
-  }
+  start = start == null ? 0 : toInteger(start)
+  end = end === undefined ? length : toInteger(end)
   return baseSlice(array, start, end)
 }
 
diff --git a/some.js b/some.js
index 399209485..b57ef96bd 100644
--- a/some.js
+++ b/some.js
@@ -1,6 +1,5 @@
 import arraySome from './.internal/arraySome.js'
 import baseSome from './.internal/baseSome.js'
-import isIterateeCall from './.internal/isIterateeCall.js'
 
 /**
  * Checks if `predicate` returns truthy for **any** element of `collection`.
@@ -11,7 +10,6 @@ import isIterateeCall from './.internal/isIterateeCall.js'
  * @category Collection
  * @param {Array|Object} collection The collection to iterate over.
  * @param {Function} predicate The function invoked per iteration.
- * @param- {Object} [guard] Enables use as an iteratee for methods like `map`.
  * @returns {boolean} Returns `true` if any element passes the predicate check,
  *  else `false`.
  * @example
@@ -19,11 +17,8 @@ import isIterateeCall from './.internal/isIterateeCall.js'
  * some([null, 0, 'yes', false], Boolean)
  * // => true
  */
-function some(collection, predicate, guard) {
+function some(collection, predicate) {
   const func = Array.isArray(collection) ? arraySome : baseSome
-  if (guard && isIterateeCall(collection, predicate, guard)) {
-    predicate = undefined
-  }
   return func(collection, predicate)
 }
 
diff --git a/split.js b/split.js
index 4c8d756cc..46e0fed42 100644
--- a/split.js
+++ b/split.js
@@ -1,7 +1,6 @@
 import baseToString from './.internal/baseToString.js'
 import castSlice from './.internal/castSlice.js'
 import hasUnicode from './.internal/hasUnicode.js'
-import isIterateeCall from './.internal/isIterateeCall.js'
 import isRegExp from './isRegExp.js'
 import stringToArray from './.internal/stringToArray.js'
 import toString from './toString.js'
@@ -27,9 +26,6 @@ const MAX_ARRAY_LENGTH = 4294967295
  * // => ['a', 'b']
  */
 function split(string, separator, limit) {
-  if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {
-    separator = limit = undefined
-  }
   limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0
   if (!limit) {
     return []
diff --git a/template.js b/template.js
index 1f067c44b..39e4c9a98 100644
--- a/template.js
+++ b/template.js
@@ -3,7 +3,6 @@ import attempt from './attempt.js'
 import baseValues from './.internal/baseValues.js'
 import customDefaultsAssignIn from './.internal/customDefaultsAssignIn.js'
 import isError from './isError.js'
-import isIterateeCall from './.internal/isIterateeCall.js'
 import keys from './keys.js'
 import reInterpolate from './.internal/reInterpolate.js'
 import templateSettings from './templateSettings.js'
@@ -69,7 +68,6 @@ const stringEscapes = {
  *  The sourceURL of the compiled template.
  * @param {string} [options.variable='obj']
  *  The data object variable name.
- * @param- {Object} [guard] Enables use as an iteratee for methods like `map`.
  * @returns {Function} Returns the compiled template function.
  * @example
  *
@@ -138,15 +136,12 @@ const stringEscapes = {
  *   };\
  * ')
  */
-function template(string, options, guard) {
+function template(string, options) {
   // Based on John Resig's `tmpl` implementation
   // (http://ejohn.org/blog/javascript-micro-templating/)
   // and Laura Doktorova's doT.js (https://github.com/olado/doT).
   const settings = templateSettings.imports.templateSettings || templateSettings
 
-  if (guard && isIterateeCall(string, options, guard)) {
-    options = undefined
-  }
   string = toString(string)
   options = assignInWith({}, options, settings, customDefaultsAssignIn)