diff --git a/src/array.js b/src/array.js
index 462e528137..fea5c56280 100644
--- a/src/array.js
+++ b/src/array.js
@@ -15,7 +15,6 @@ var Delete;
 var GlobalArray = global.Array;
 var InternalArray = utils.InternalArray;
 var InternalPackedArray = utils.InternalPackedArray;
-var MathMin;
 var ObjectHasOwnProperty;
 var ObjectIsFrozen;
 var ObjectIsSealed;
@@ -24,7 +23,6 @@ var unscopablesSymbol = utils.ImportNow("unscopables_symbol");
 
 utils.Import(function(from) {
   Delete = from.Delete;
-  MathMin = from.MathMin;
   ObjectHasOwnProperty = from.ObjectHasOwnProperty;
   ObjectIsFrozen = from.ObjectIsFrozen;
   ObjectIsSealed = from.ObjectIsSealed;
@@ -260,7 +258,7 @@ function SparseMove(array, start_i, del_count, len, num_additional_args) {
   // Move data to new array.
   var new_array = new InternalArray(
       // Clamp array length to 2^32-1 to avoid early RangeError.
-      MathMin(len - del_count + num_additional_args, 0xffffffff));
+      MIN_SIMPLE(len - del_count + num_additional_args, 0xffffffff));
   var big_indices;
   var indices = %GetArrayKeys(array, len);
   if (IS_NUMBER(indices)) {
diff --git a/src/arraybuffer.js b/src/arraybuffer.js
index 2c1e9bd263..338124a1f7 100644
--- a/src/arraybuffer.js
+++ b/src/arraybuffer.js
@@ -13,15 +13,8 @@
 
 var GlobalArrayBuffer = global.ArrayBuffer;
 var GlobalObject = global.Object;
-var MathMax;
-var MathMin;
 var toStringTagSymbol = utils.ImportNow("to_string_tag_symbol");
 
-utils.Import(function(from) {
-  MathMax = from.MathMax;
-  MathMin = from.MathMin;
-});
-
 // -------------------------------------------------------------------
 
 function ArrayBufferConstructor(length) { // length = 1
@@ -55,16 +48,16 @@ function ArrayBufferSlice(start, end) {
   var first;
   var byte_length = %_ArrayBufferGetByteLength(this);
   if (relativeStart < 0) {
-    first = MathMax(byte_length + relativeStart, 0);
+    first = MAX_SIMPLE(byte_length + relativeStart, 0);
   } else {
-    first = MathMin(relativeStart, byte_length);
+    first = MIN_SIMPLE(relativeStart, byte_length);
   }
   var relativeEnd = IS_UNDEFINED(end) ? byte_length : end;
   var fin;
   if (relativeEnd < 0) {
-    fin = MathMax(byte_length + relativeEnd, 0);
+    fin = MAX_SIMPLE(byte_length + relativeEnd, 0);
   } else {
-    fin = MathMin(relativeEnd, byte_length);
+    fin = MIN_SIMPLE(relativeEnd, byte_length);
   }
 
   if (fin < first) {
diff --git a/src/harmony-array.js b/src/harmony-array.js
index 61bdbb689e..4cea1a4649 100644
--- a/src/harmony-array.js
+++ b/src/harmony-array.js
@@ -15,16 +15,12 @@ var GetIterator;
 var GetMethod;
 var GlobalArray = global.Array;
 var iteratorSymbol = utils.ImportNow("iterator_symbol");
-var MathMax;
-var MathMin;
 var ObjectIsFrozen;
 var ObjectDefineProperty;
 
 utils.Import(function(from) {
   GetIterator = from.GetIterator;
   GetMethod = from.GetMethod;
-  MathMax = from.MathMax;
-  MathMin = from.MathMin;
   ObjectIsFrozen = from.ObjectIsFrozen;
   ObjectDefineProperty = from.ObjectDefineProperty;
 });
@@ -35,28 +31,28 @@ function InnerArrayCopyWithin(target, start, end, array, length) {
   target = TO_INTEGER(target);
   var to;
   if (target < 0) {
-    to = MathMax(length + target, 0);
+    to = MAX_SIMPLE(length + target, 0);
   } else {
-    to = MathMin(target, length);
+    to = MIN_SIMPLE(target, length);
   }
 
   start = TO_INTEGER(start);
   var from;
   if (start < 0) {
-    from = MathMax(length + start, 0);
+    from = MAX_SIMPLE(length + start, 0);
   } else {
-    from = MathMin(start, length);
+    from = MIN_SIMPLE(start, length);
   }
 
   end = IS_UNDEFINED(end) ? length : TO_INTEGER(end);
   var final;
   if (end < 0) {
-    final = MathMax(length + end, 0);
+    final = MAX_SIMPLE(length + end, 0);
   } else {
-    final = MathMin(end, length);
+    final = MIN_SIMPLE(end, length);
   }
 
-  var count = MathMin(final - from, length - to);
+  var count = MIN_SIMPLE(final - from, length - to);
   var direction = 1;
   if (from < to && to < (from + count)) {
     direction = -1;
diff --git a/src/harmony-atomics.js b/src/harmony-atomics.js
index 7412494e30..e06008a16d 100644
--- a/src/harmony-atomics.js
+++ b/src/harmony-atomics.js
@@ -12,13 +12,8 @@
 // Imports
 
 var GlobalObject = global.Object;
-var MathMax;
 var toStringTagSymbol = utils.ImportNow("to_string_tag_symbol");
 
-utils.Import(function(from) {
-  MathMax = from.MathMax;
-});
-
 // -------------------------------------------------------------------
 
 
@@ -146,7 +141,7 @@ function AtomicsFutexWaitJS(ia, index, value, timeout) {
     if (NUMBER_IS_NAN(timeout)) {
       timeout = INFINITY;
     } else {
-      timeout = MathMax(0, timeout);
+      timeout = MAX_SIMPLE(0, timeout);
     }
   }
   return %AtomicsFutexWait(ia, index, value, timeout);
@@ -158,14 +153,14 @@ function AtomicsFutexWakeJS(ia, index, count) {
   if (index < 0 || index >= %_TypedArrayGetLength(ia)) {
     return UNDEFINED;
   }
-  count = MathMax(0, TO_INTEGER(count));
+  count = MAX_SIMPLE(0, TO_INTEGER(count));
   return %AtomicsFutexWake(ia, index, count);
 }
 
 function AtomicsFutexWakeOrRequeueJS(ia, index1, count, value, index2) {
   CheckSharedInteger32TypedArray(ia);
   index1 = TO_INTEGER(index1);
-  count = MathMax(0, TO_INTEGER(count));
+  count = MAX_SIMPLE(0, TO_INTEGER(count));
   value = TO_INT32(value);
   index2 = TO_INTEGER(index2);
   if (index1 < 0 || index1 >= %_TypedArrayGetLength(ia) ||
diff --git a/src/harmony-typedarray.js b/src/harmony-typedarray.js
index 45e66fddcf..b9b3173e7f 100644
--- a/src/harmony-typedarray.js
+++ b/src/harmony-typedarray.js
@@ -48,8 +48,6 @@ var InnerArraySome;
 var InnerArraySort;
 var InnerArrayToLocaleString;
 var IsNaN;
-var MathMax;
-var MathMin;
 var PackedArrayReverse;
 
 utils.Import(function(from) {
@@ -72,8 +70,6 @@ utils.Import(function(from) {
   InnerArraySort = from.InnerArraySort;
   InnerArrayToLocaleString = from.InnerArrayToLocaleString;
   IsNaN = from.IsNaN;
-  MathMax = from.MathMax;
-  MathMin = from.MathMin;
   PackedArrayReverse = from.PackedArrayReverse;
 });
 
@@ -319,9 +315,9 @@ function TypedArraySlice(start, end) {
 
   var k;
   if (relativeStart < 0) {
-    k = MathMax(len + relativeStart, 0);
+    k = MAX_SIMPLE(len + relativeStart, 0);
   } else {
-    k = MathMin(relativeStart, len);
+    k = MIN_SIMPLE(relativeStart, len);
   }
 
   var relativeEnd;
@@ -333,12 +329,12 @@ function TypedArraySlice(start, end) {
 
   var final;
   if (relativeEnd < 0) {
-    final = MathMax(len + relativeEnd, 0);
+    final = MAX_SIMPLE(len + relativeEnd, 0);
   } else {
-    final = MathMin(relativeEnd, len);
+    final = MIN_SIMPLE(relativeEnd, len);
   }
 
-  var count = MathMax(final - k, 0);
+  var count = MAX_SIMPLE(final - k, 0);
   var array = ConstructTypedArrayLike(this, count);
   // The code below is the 'then' branch; the 'else' branch species
   // a memcpy. Because V8 doesn't canonicalize NaN, the difference is
diff --git a/src/json.js b/src/json.js
index 8ec30ff6ea..41d73ffd29 100644
--- a/src/json.js
+++ b/src/json.js
@@ -13,14 +13,10 @@
 
 var GlobalJSON = global.JSON;
 var InternalArray = utils.InternalArray;
-var MathMax;
-var MathMin;
 var ObjectHasOwnProperty;
 var toStringTagSymbol = utils.ImportNow("to_string_tag_symbol");
 
 utils.Import(function(from) {
-  MathMax = from.MathMax;
-  MathMin = from.MathMin;
   ObjectHasOwnProperty = from.ObjectHasOwnProperty;
 });
 
@@ -215,7 +211,7 @@ function JSONStringify(value, replacer, space) {
   }
   var gap;
   if (IS_NUMBER(space)) {
-    space = MathMax(0, MathMin(TO_INTEGER(space), 10));
+    space = MAX_SIMPLE(0, MIN_SIMPLE(TO_INTEGER(space), 10));
     gap = %_SubString("          ", 0, space);
   } else if (IS_STRING(space)) {
     if (space.length > 10) {