diff --git a/perf/perf.js b/perf/perf.js
index ea9c78129..6a9b3315d 100644
--- a/perf/perf.js
+++ b/perf/perf.js
@@ -829,22 +829,6 @@
       )
   );
 
-  suites.push(
-    Benchmark.Suite('`_.each` iterating an array with `thisArg` (slow path)')
-      .add(buildName, '\
-        var result = [];\
-        lodash.each(numbers, function(num, index) {\
-          result.push(num + this["key" + index]);\
-        }, object)'
-      )
-      .add(otherName, '\
-        var result = [];\
-        _.each(numbers, function(num, index) {\
-          result.push(num + this["key" + index]);\
-        }, object)'
-      )
-  );
-
   suites.push(
     Benchmark.Suite('`_.each` iterating an object')
       .add(buildName, '\
@@ -907,20 +891,6 @@
       )
   );
 
-  suites.push(
-    Benchmark.Suite('`_.filter` iterating an array with `thisArg` (slow path)')
-      .add(buildName, '\
-        lodash.filter(numbers, function(num, index) {\
-          return this["key" + index] % 2;\
-        }, object)'
-      )
-      .add(otherName, '\
-        _.filter(numbers, function(num, index) {\
-           return this["key" + index] % 2;\
-        }, object)'
-      )
-  );
-
   suites.push(
     Benchmark.Suite('`_.filter` iterating an object')
       .add(buildName, '\
@@ -1400,20 +1370,6 @@
       )
   );
 
-  suites.push(
-    Benchmark.Suite('`_.map` with `thisArg` iterating an array (slow path)')
-      .add(buildName, '\
-        lodash.map(objects, function(value, index) {\
-          return this["key" + index] + value.num;\
-        }, object)'
-      )
-      .add(otherName, '\
-        _.map(objects, function(value, index) {\
-          return this["key" + index] + value.num;\
-        }, object)'
-      )
-  );
-
   suites.push(
     Benchmark.Suite('`_.map` iterating an object')
       .add(buildName, '\
@@ -1530,20 +1486,6 @@
       )
   );
 
-  suites.push(
-    Benchmark.Suite('`_.partition` iterating an array with `thisArg` (slow path)')
-      .add(buildName, '\
-        lodash.partition(numbers, function(num, index) {\
-          return this["key" + index] % 2;\
-        }, object)'
-      )
-      .add(otherName, '\
-        _.partition(numbers, function(num, index) {\
-           return this["key" + index] % 2;\
-        }, object)'
-      )
-  );
-
   suites.push(
     Benchmark.Suite('`_.partition` iterating an object')
       .add(buildName, '\
@@ -1666,20 +1608,6 @@
       )
   );
 
-  suites.push(
-    Benchmark.Suite('`_.reject` iterating an array with `thisArg` (slow path)')
-      .add(buildName, '\
-        lodash.reject(numbers, function(num, index) {\
-          return this["key" + index] % 2;\
-        }, object)'
-      )
-      .add(otherName, '\
-        _.reject(numbers, function(num, index) {\
-           return this["key" + index] % 2;\
-        }, object)'
-      )
-  );
-
   suites.push(
     Benchmark.Suite('`_.reject` iterating an object')
       .add(buildName, '\
@@ -1746,20 +1674,6 @@
       )
   );
 
-  suites.push(
-    Benchmark.Suite('`_.some` with `thisArg` iterating an array (slow path)')
-      .add(buildName, '\
-        lodash.some(objects, function(value, index) {\
-          return this["key" + index] == (limit - 1);\
-        }, object)'
-      )
-      .add(otherName, '\
-        _.some(objects, function(value, index) {\
-          return this["key" + index] == (limit - 1);\
-        }, object)'
-      )
-  );
-
   suites.push(
     Benchmark.Suite('`_.some` iterating an object')
       .add(buildName, '\
@@ -1786,16 +1700,6 @@
       )
   );
 
-  suites.push(
-    Benchmark.Suite('`_.sortBy` with `callback` and `thisArg` (slow path)')
-      .add(buildName, '\
-        lodash.sortBy(numbers, function(num) { return this.sin(num); }, Math)'
-      )
-      .add(otherName, '\
-        _.sortBy(numbers, function(num) { return this.sin(num); }, Math)'
-      )
-  );
-
   suites.push(
     Benchmark.Suite('`_.sortBy` with `property` name')
       .add(buildName, {
@@ -1902,18 +1806,6 @@
       )
   );
 
-  suites.push(
-    Benchmark.Suite('`_.times` with `thisArg` (slow path)')
-      .add(buildName, '\
-        var result = [];\
-        lodash.times(limit, function(n) { result.push(this.sin(n)); }, Math)'
-      )
-      .add(otherName, '\
-        var result = [];\
-        _.times(limit, function(n) { result.push(this.sin(n)); }, Math)'
-      )
-  );
-
   /*--------------------------------------------------------------------------*/
 
   suites.push(