diff --git a/scripts/benchmarks.clj b/scripts/benchmarks.clj
index e057a92..5dcc561 100644
--- a/scripts/benchmarks.clj
+++ b/scripts/benchmarks.clj
@@ -90,6 +90,7 @@
 (let [data [1 2 3 4 5 6 7 8 9 10]]
   (run-benchmark "filter a sequence" 1000000
     (doall (filter even? data))
+    (filterv even? data)
     (select [ALL even?] data)
     (select-any (filterer even?) data)
     ))
diff --git a/src/clj/com/rpl/specter/impl.cljx b/src/clj/com/rpl/specter/impl.cljx
index 341612d..c53766e 100644
--- a/src/clj/com/rpl/specter/impl.cljx
+++ b/src/clj/com/rpl/specter/impl.cljx
@@ -7,7 +7,7 @@
             )
   (:use [com.rpl.specter.protocols :only
           [select* transform* collect-val]]
-        [com.rpl.specter.util-macros :only [doseqres]]
+        #+clj [com.rpl.specter.util-macros :only [doseqres]]
 )
   (:require [com.rpl.specter.protocols :as p]
             [clojure.walk :as walk]
@@ -22,12 +22,6 @@
 
 (def NONE ::NONE)
 
-#+clj
-(def kw-identical? identical?)
-
-#+cljs
-(def kw-identical? keyword-identical?)
-
 (defn spy [e]
   (println "SPY:")
   (println (pr-str e))
@@ -590,8 +584,8 @@
 
 ;; amazingly doing this as a macro shows a big effect in the 
 ;; benchmark for getting a value out of a nested map
-(defmacro compiled-traverse*
-  [path result-fn structure]
+#+clj
+(defmacro compiled-traverse* [path result-fn structure]
   `(let [tfns# (transform-fns-field ~path)
          ex# (executors-field tfns#)]
     ((traverse-executor-field ex#)
@@ -602,6 +596,19 @@
       ~structure)
     ))
 
+#+cljs
+(defn compiled-traverse* [path result-fn structure]
+  (let [tfns (transform-fns-field path)
+        ex (executors-field tfns)]
+    ((traverse-executor-field ex)
+      (params-field path)
+      (params-idx-field path)
+      (selector-field tfns)
+      result-fn
+      structure)
+    ))
+
+
 (defn compiled-select* [path structure]
   (let [res (mutable-cell (transient []))
         result-fn (fn [structure]
@@ -613,44 +620,44 @@
     ))
 
 (defn compiled-select-one* [path structure]
-  (let [res (mutable-cell ::NOTHING)
+  (let [res (mutable-cell NONE)
         result-fn (fn [structure]
                     (let [curr (get-cell res)]
-                      (if (kw-identical? curr ::NOTHING)
+                      (if (identical? curr NONE)
                         (set-cell! res structure)
                         (throw-illegal "More than one element found in structure: " structure)
                         )))]
     (compiled-traverse* path result-fn structure)
     (let [ret (get-cell res)]
-      (if (kw-identical? ret ::NOTHING)
+      (if (identical? ret NONE)
         nil
         ret
         ))))
 
 (defn compiled-select-one!* [path structure]
-  (let [res (mutable-cell ::NOTHING)
+  (let [res (mutable-cell NONE)
         result-fn (fn [structure]
                     (let [curr (get-cell res)]
-                      (if (kw-identical? curr ::NOTHING)
+                      (if (identical? curr NONE)
                         (set-cell! res structure)
                         (throw-illegal "More than one element found in structure: " structure)
                         )))]
     (compiled-traverse* path result-fn structure)
     (let [ret (get-cell res)]
-      (if (kw-identical? ::NOTHING ret)
+      (if (identical? NONE ret)
         (throw-illegal "Found no elements for select-one! on " structure))
       ret
       )))
 
 (defn compiled-select-first* [path structure]
-  (let [res (mutable-cell ::NOTHING)
+  (let [res (mutable-cell NONE)
         result-fn (fn [structure]
                     (let [curr (get-cell res)]
-                      (if (kw-identical? curr ::NOTHING)
+                      (if (identical? curr NONE)
                         (set-cell! res structure))))]
     (compiled-traverse* path result-fn structure)
     (let [ret (get-cell res)]
-      (if (kw-identical? ret ::NOTHING)
+      (if (identical? ret NONE)
         nil
         ret
         ))))
@@ -669,7 +676,7 @@
   [compiled-path structure]
   (->> structure
        (compiled-select-any* compiled-path)
-       (kw-identical? NONE)))
+       (identical? NONE)))
 
 (defn selected?*
   [compiled-path structure]
@@ -680,7 +687,7 @@
         walker (fn this [structure]
                  (if (pred structure)
                    (let [r (continue-fn structure)]
-                     (if-not (kw-identical? r NONE)
+                     (if-not (identical? r NONE)
                        (set-cell! ret r))
                      r
                      )
diff --git a/src/clj/com/rpl/specter/util_macros.clj b/src/clj/com/rpl/specter/util_macros.clj
index 3a015e5..b4726db 100644
--- a/src/clj/com/rpl/specter/util_macros.clj
+++ b/src/clj/com/rpl/specter/util_macros.clj
@@ -1,15 +1,13 @@
 (ns com.rpl.specter.util-macros)
 
-(defmacro doseqres [backup-res-kw [n aseq] & body]
-  (let [platform (if (contains? &env :locals) :cljs :clj)
-        idfn (if (= platform :clj) 'identical? 'keyword-identical?)]
-    `(reduce
-       (fn [curr# ~n]
-         (let [ret# (do ~@body)]
-           (if (~idfn ret# ~backup-res-kw)
-             curr#
-             ret#
-             )))
-       ~backup-res-kw
-       ~aseq
-       )))
+(defmacro doseqres [backup-res [n aseq] & body]
+  `(reduce
+     (fn [curr# ~n]
+       (let [ret# (do ~@body)]
+         (if (identical? ret# ~backup-res)
+           curr#
+           ret#
+           )))
+     ~backup-res
+     ~aseq
+     ))