diff --git a/parse.inc.js b/parse.inc.js
index 4b818f7b..eef9af5d 100644
--- a/parse.inc.js
+++ b/parse.inc.js
@@ -294,8 +294,6 @@ function generate (packet) {
         `)
     }
 
-    // TODO Vivify through a funciton so that `object = vivify()`.
-    // TOOO Write directly to object, I think, get rid of `$_`?
     const object = `parsers.inc.${packet.name}`
     return $(`
         ${object} = function (${signature.join(', ')}) {
diff --git a/serialize.inc.js b/serialize.inc.js
index 24da3ae3..1d3ebf80 100644
--- a/serialize.inc.js
+++ b/serialize.inc.js
@@ -64,9 +64,7 @@ function generate (packet) {
     // TODO I don't need to push and pop $i.
     function lengthEncoded (path, packet) {
         variables.i = true
-        variables.I = true
         const i = `$i[${$i}]`
-        const I = `$I[${$i}]`
         const again = $step
         const source = $(`
             `, dispatch(`${path}[${i}]`, packet.element), `
@@ -75,8 +73,6 @@ function generate (packet) {
                     $step = ${again}
                     continue
                 }
-
-                $i.pop()
         `)
         $i--
         return source
@@ -86,7 +82,7 @@ function generate (packet) {
         $i++
         return $(`
             `, integer(path + '.length', packet), `
-                $i.push(0)
+                $i[${$i}] = 0
         `)
 
     }
@@ -225,8 +221,7 @@ function generate (packet) {
     const signatories = {
         packet: `${packet.name}`,
         step: '$step = 0',
-        i: '$i = []',
-        I: '$I = []'
+        i: '$i = []'
     }
     const signature = Object.keys(signatories)
                             .filter(key => variables[key])
diff --git a/test/generated/length-encoded-fixed.serializer.inc.js b/test/generated/length-encoded-fixed.serializer.inc.js
index c3dcd30d..f6804d1d 100644
--- a/test/generated/length-encoded-fixed.serializer.inc.js
+++ b/test/generated/length-encoded-fixed.serializer.inc.js
@@ -1,5 +1,5 @@
 module.exports = function (serializers) {
-    serializers.inc.object = function (object, $step = 0, $i = [], $I = []) {
+    serializers.inc.object = function (object, $step = 0, $i = []) {
         let $bite, $stop, $_
 
         return function serialize ($buffer, $start, $end) {
@@ -21,7 +21,7 @@ module.exports = function (serializers) {
                         $bite--
                     }
 
-                    $i.push(0)
+                    $i[0] = 0
 
                 case 2:
 
@@ -62,8 +62,6 @@ module.exports = function (serializers) {
                         continue
                     }
 
-                    $i.pop()
-
                     $step = 6
 
                 case 6:
diff --git a/test/generated/length-encoded-variable.serializer.inc.js b/test/generated/length-encoded-variable.serializer.inc.js
index b1fd6f99..d9bd2633 100644
--- a/test/generated/length-encoded-variable.serializer.inc.js
+++ b/test/generated/length-encoded-variable.serializer.inc.js
@@ -1,5 +1,5 @@
 module.exports = function (serializers) {
-    serializers.inc.object = function (object, $step = 0, $i = [], $I = []) {
+    serializers.inc.object = function (object, $step = 0, $i = []) {
         let $bite, $stop, $_
 
         return function serialize ($buffer, $start, $end) {
@@ -21,7 +21,7 @@ module.exports = function (serializers) {
                         $bite--
                     }
 
-                    $i.push(0)
+                    $i[0] = 0
 
                 case 2:
 
@@ -39,7 +39,7 @@ module.exports = function (serializers) {
                         $bite--
                     }
 
-                    $i.push(0)
+                    $i[1] = 0
 
                 case 4:
 
@@ -63,15 +63,11 @@ module.exports = function (serializers) {
                         continue
                     }
 
-                    $i.pop()
-
                     if (++$i[0] != object.array.length) {
                         $step = 2
                         continue
                     }
 
-                    $i.pop()
-
                     $step = 6
 
                 case 6:
diff --git a/test/generated/length-encoded-words.serializer.inc.js b/test/generated/length-encoded-words.serializer.inc.js
index 3f3046a2..f75433be 100644
--- a/test/generated/length-encoded-words.serializer.inc.js
+++ b/test/generated/length-encoded-words.serializer.inc.js
@@ -1,5 +1,5 @@
 module.exports = function (serializers) {
-    serializers.inc.object = function (object, $step = 0, $i = [], $I = []) {
+    serializers.inc.object = function (object, $step = 0, $i = []) {
         let $bite, $stop, $_
 
         return function serialize ($buffer, $start, $end) {
@@ -21,7 +21,7 @@ module.exports = function (serializers) {
                         $bite--
                     }
 
-                    $i.push(0)
+                    $i[0] = 0
 
                 case 2:
 
@@ -45,8 +45,6 @@ module.exports = function (serializers) {
                         continue
                     }
 
-                    $i.pop()
-
                     $step = 4
 
                 case 4: