diff --git a/moonscript/compile/value.lua b/moonscript/compile/value.lua
index b0cab82..0e6fad0 100644
--- a/moonscript/compile/value.lua
+++ b/moonscript/compile/value.lua
@@ -185,16 +185,13 @@ local value_compilers = {
           }
         })
       end
-      local self_arg_values = (function()
-        local _accum_0 = { }
-        local _len_0 = 1
-        for _index_0 = 1, #self_args do
-          local arg = self_args[_index_0]
-          _accum_0[_len_0] = arg[2]
-          _len_0 = _len_0 + 1
-        end
-        return _accum_0
-      end)()
+      local self_arg_values = { }
+      local _len_0 = 1
+      for _index_0 = 1, #self_args do
+        local arg = self_args[_index_0]
+        self_arg_values[_len_0] = arg[2]
+        _len_0 = _len_0 + 1
+      end
       if #self_args > 0 then
         _with_0:stm({
           "assign",
@@ -204,16 +201,13 @@ local value_compilers = {
       end
       _with_0:stms(block)
       if #args > #arg_names then
-        arg_names = (function()
-          local _accum_0 = { }
-          local _len_0 = 1
-          for _index_0 = 1, #args do
-            local arg = args[_index_0]
-            _accum_0[_len_0] = arg[1]
-            _len_0 = _len_0 + 1
-          end
-          return _accum_0
-        end)()
+        arg_names = { }
+        local _len_1 = 1
+        for _index_0 = 1, #args do
+          local arg = args[_index_0]
+          arg_names[_len_1] = arg[1]
+          _len_1 = _len_1 + 1
+        end
       end
       _with_0.header = "function(" .. concat(arg_names, ", ") .. ")"
       return _with_0
diff --git a/moonscript/dump.lua b/moonscript/dump.lua
index 5b5fea2..3536bab 100644
--- a/moonscript/dump.lua
+++ b/moonscript/dump.lua
@@ -9,16 +9,13 @@ flat_value = function(op, depth)
   if type(op) ~= "table" then
     return tostring(op)
   end
-  local items = (function()
-    local _accum_0 = { }
-    local _len_0 = 1
-    for _index_0 = 1, #op do
-      local item = op[_index_0]
-      _accum_0[_len_0] = flat_value(item, depth + 1)
-      _len_0 = _len_0 + 1
-    end
-    return _accum_0
-  end)()
+  local items = { }
+  local _len_0 = 1
+  for _index_0 = 1, #op do
+    local item = op[_index_0]
+    items[_len_0] = flat_value(item, depth + 1)
+    _len_0 = _len_0 + 1
+  end
   local pos = op[-1]
   return "{" .. (pos and "[" .. pos .. "] " or "") .. table.concat(items, ", ") .. "}"
 end
diff --git a/moonscript/errors.lua b/moonscript/errors.lua
index af3c98e..83e701d 100644
--- a/moonscript/errors.lua
+++ b/moonscript/errors.lua
@@ -42,18 +42,15 @@ truncate_traceback = function(traceback, chunk_func)
     end
     stop = stop - 1
   end
-  traceback = (function()
-    local _accum_0 = { }
-    local _len_0 = 1
-    local _list_0 = traceback
-    local _max_0 = stop
-    for _index_0 = 1, _max_0 < 0 and #_list_0 + _max_0 or _max_0 do
-      local t = _list_0[_index_0]
-      _accum_0[_len_0] = t
-      _len_0 = _len_0 + 1
-    end
-    return _accum_0
-  end)()
+  traceback = { }
+  local _len_0 = 1
+  local _list_0 = traceback
+  local _max_0 = stop
+  for _index_0 = 1, _max_0 < 0 and #_list_0 + _max_0 or _max_0 do
+    local t = _list_0[_index_0]
+    traceback[_len_0] = t
+    _len_0 = _len_0 + 1
+  end
   local rep = "function '" .. chunk_func .. "'"
   traceback[#traceback] = traceback[#traceback]:gsub(rep, "main chunk")
   return concat(traceback, "\n")
diff --git a/moonscript/transform.lua b/moonscript/transform.lua
index 00d89fe..be33939 100644
--- a/moonscript/transform.lua
+++ b/moonscript/transform.lua
@@ -1109,17 +1109,14 @@ Statement = Transformer({
           end
           return self:set("super", function(block, chain)
             if chain then
-              local slice = (function()
-                local _accum_0 = { }
-                local _len_0 = 1
-                local _list_0 = chain
-                for _index_0 = 3, #_list_0 do
-                  local item = _list_0[_index_0]
-                  _accum_0[_len_0] = item
-                  _len_0 = _len_0 + 1
-                end
-                return _accum_0
-              end)()
+              local slice = { }
+              local _len_0 = 1
+              local _list_0 = chain
+              for _index_0 = 3, #_list_0 do
+                local item = _list_0[_index_0]
+                slice[_len_0] = item
+                _len_0 = _len_0 + 1
+              end
               local new_chain = {
                 "chain",
                 parent_cls_name
diff --git a/moonscript/util.lua b/moonscript/util.lua
index 090a9d0..d0e6bb0 100644
--- a/moonscript/util.lua
+++ b/moonscript/util.lua
@@ -119,24 +119,21 @@ dump = function(what)
 end
 local debug_posmap
 debug_posmap = function(posmap, moon_code, lua_code)
-  local tuples = (function()
-    local _accum_0 = { }
-    local _len_0 = 1
-    for k, v in pairs(posmap) do
-      _accum_0[_len_0] = {
-        k,
-        v
-      }
-      _len_0 = _len_0 + 1
-    end
-    return _accum_0
-  end)()
+  local tuples = { }
+  local _len_0 = 1
+  for k, v in pairs(posmap) do
+    tuples[_len_0] = {
+      k,
+      v
+    }
+    _len_0 = _len_0 + 1
+  end
   table.sort(tuples, function(a, b)
     return a[1] < b[1]
   end)
   local lines = (function()
     local _accum_0 = { }
-    local _len_0 = 1
+    local _len_1 = 1
     for _index_0 = 1, #tuples do
       local pair = tuples[_index_0]
       local lua_line, pos = unpack(pair)
@@ -144,8 +141,8 @@ debug_posmap = function(posmap, moon_code, lua_code)
       local lua_text = get_line(lua_code, lua_line)
       local moon_text = get_closest_line(moon_code, moon_line)
       local _value_0 = tostring(pos) .. "\t " .. tostring(lua_line) .. ":[ " .. tostring(trim(lua_text)) .. " ] >> " .. tostring(moon_line) .. ":[ " .. tostring(trim(moon_text)) .. " ]"
-      _accum_0[_len_0] = _value_0
-      _len_0 = _len_0 + 1
+      _accum_0[_len_1] = _value_0
+      _len_1 = _len_1 + 1
     end
     return _accum_0
   end)()