diff --git a/.internal/apply.js b/.internal/apply.js
deleted file mode 100644
index 45295ac6e..000000000
--- a/.internal/apply.js
+++ /dev/null
@@ -1,21 +0,0 @@
-/**
- * A faster alternative to `Function#apply`, this function invokes `func`
- * with the `this` binding of `thisArg` and the arguments of `args`.
- *
- * @private
- * @param {Function} func The function to invoke.
- * @param {*} thisArg The `this` binding of `func`.
- * @param {Array} args The arguments to invoke `func` with.
- * @returns {*} Returns the result of `func`.
- */
-function apply(func, thisArg, args) {
-  switch (args.length) {
-    case 0: return func.call(thisArg)
-    case 1: return func.call(thisArg, args[0])
-    case 2: return func.call(thisArg, args[0], args[1])
-    case 3: return func.call(thisArg, args[0], args[1], args[2])
-  }
-  return func.apply(thisArg, args)
-}
-
-export default apply
diff --git a/attempt.js b/attempt.js
index c335dc6cf..8f792de79 100644
--- a/attempt.js
+++ b/attempt.js
@@ -1,4 +1,3 @@
-import apply from './.internal/apply.js'
 import isError from './isError.js'
 
 /**
@@ -22,7 +21,7 @@ import isError from './isError.js'
  */
 function attempt(func, ...args) {
   try {
-    return apply(func, undefined, args)
+    return func.apply(undefined, args)
   } catch (e) {
     return isError(e) ? e : new Error(e)
   }
diff --git a/cond.js b/cond.js
index 5c632a7ad..3f5743746 100644
--- a/cond.js
+++ b/cond.js
@@ -1,4 +1,3 @@
-import apply from './.internal/apply.js'
 import arrayMap from './.internal/arrayMap.js'
 
 /**
@@ -42,8 +41,8 @@ function cond(pairs) {
     let index = -1
     while (++index < length) {
       const pair = pairs[index]
-      if (apply(pair[0], this, args)) {
-        return apply(pair[1], this, args)
+      if (pair[0].apply(this, args)) {
+        return pair[1].apply(this, args)
       }
     }
   }
diff --git a/defaultsDeep.js b/defaultsDeep.js
index 1ee4bdf6a..ae942f0cb 100644
--- a/defaultsDeep.js
+++ b/defaultsDeep.js
@@ -1,4 +1,3 @@
-import apply from './.internal/apply.js'
 import customDefaultsMerge from './.internal/customDefaultsMerge.js'
 import mergeWith from './mergeWith.js'
 
@@ -21,7 +20,7 @@ import mergeWith from './mergeWith.js'
  */
 function defaultsDeep(...args) {
   args.push(undefined, customDefaultsMerge)
-  return apply(mergeWith, undefined, args)
+  return mergeWith.apply(undefined, args)
 }
 
 export default defaultsDeep
diff --git a/invoke.js b/invoke.js
index 006977e1f..6767b99d2 100644
--- a/invoke.js
+++ b/invoke.js
@@ -1,4 +1,3 @@
-import apply from './.internal/apply.js'
 import castPath from './.internal/castPath.js'
 import last from './last.js'
 import parent from './.internal/parent.js'
@@ -24,7 +23,7 @@ function invoke(object, path, args) {
   path = castPath(path, object)
   object = parent(object, path)
   const func = object == null ? object : object[toKey(last(path))]
-  return func == null ? undefined : apply(func, object, args)
+  return func == null ? undefined : func.apply(object, args)
 }
 
 export default invoke
diff --git a/invokeMap.js b/invokeMap.js
index b485c2d8f..330b197c1 100644
--- a/invokeMap.js
+++ b/invokeMap.js
@@ -1,4 +1,3 @@
-import apply from './.internal/apply.js'
 import baseEach from './.internal/baseEach.js'
 import invoke from './invoke.js'
 import isArrayLike from './isArrayLike.js'
@@ -30,7 +29,7 @@ function invokeMap(collection, path, args) {
   const result = isArrayLike(collection) ? Array(collection.length) : []
 
   baseEach(collection, value => {
-    result[++index] = isFunc ? apply(path, value, args) : invoke(value, path, args)
+    result[++index] = isFunc ? path.apply(value, args) : invoke(value, path, args)
   })
   return result
 }
diff --git a/over.js b/over.js
index a769a24ae..df3684e62 100644
--- a/over.js
+++ b/over.js
@@ -1,4 +1,3 @@
-import apply from './.internal/apply.js'
 import arrayMap from './.internal/arrayMap.js'
 
 /**
@@ -19,8 +18,7 @@ import arrayMap from './.internal/arrayMap.js'
  */
 function over(iteratees) {
   return function(...args) {
-    const thisArg = this
-    return arrayMap(iteratees, iteratee => apply(iteratee, thisArg, args))
+    return arrayMap(iteratees, iteratee => iteratee.apply(this, args))
   }
 }
 
diff --git a/overArgs.js b/overArgs.js
index b0b13df2e..7a1479ec6 100644
--- a/overArgs.js
+++ b/overArgs.js
@@ -1,4 +1,3 @@
-import apply from './.internal/apply.js'
 
 /**
  * Creates a function that invokes `func` with its arguments transformed.
@@ -35,7 +34,7 @@ function overArgs(func, transforms) {
     while (++index < length) {
       args[index] = transforms[index].call(this, args[index])
     }
-    return apply(func, this, args)
+    return func.apply(this, args)
   }
 }
 
diff --git a/overEvery.js b/overEvery.js
index 6607435b4..1b8a20ad4 100644
--- a/overEvery.js
+++ b/overEvery.js
@@ -1,4 +1,3 @@
-import apply from './.internal/apply.js'
 import arrayEvery from './.internal/arrayEvery.js'
 
 /**
@@ -25,8 +24,7 @@ import arrayEvery from './.internal/arrayEvery.js'
  */
 function overEvery(iteratees) {
   return function(...args) {
-    const thisArg = this
-    return arrayEvery(iteratees, iteratee => apply(iteratee, thisArg, args))
+    return arrayEvery(iteratees, iteratee => iteratee.apply(this, args))
   }
 }
 
diff --git a/overSome.js b/overSome.js
index b9342caef..bf36b7754 100644
--- a/overSome.js
+++ b/overSome.js
@@ -1,4 +1,3 @@
-import apply from './.internal/apply.js'
 import arraySome from './.internal/arraySome.js'
 
 /**
@@ -25,8 +24,7 @@ import arraySome from './.internal/arraySome.js'
  */
 function overSome(iteratees) {
   return function(...args) {
-    const thisArg = this
-    return arraySome(iteratees, iteratee => apply(iteratee, thisArg, args))
+    return arraySome(iteratees, iteratee => iteratee.apply(this, args))
   }
 }
 
diff --git a/unzipWith.js b/unzipWith.js
index bbca749f9..c174859ac 100644
--- a/unzipWith.js
+++ b/unzipWith.js
@@ -1,4 +1,3 @@
-import apply from './.internal/apply.js'
 import arrayMap from './.internal/arrayMap.js'
 import unzip from './unzip.js'
 
@@ -26,7 +25,7 @@ function unzipWith(array, iteratee) {
     return []
   }
   const result = unzip(array)
-  return arrayMap(result, group => apply(iteratee, undefined, group))
+  return arrayMap(result, group => iteratee.apply(undefined, group))
 }
 
 export default unzipWith