diff --git a/Facade.h b/Facade.h
index 442e767..4e16c15 100644
--- a/Facade.h
+++ b/Facade.h
@@ -38,16 +38,14 @@ struct Facade {
               m.type == weaselab::VersionedMap::Set || m.param2Len == 0
                   ? String(m.param1, m.param1Len) + zero
                   : String(m.param2, m.param2Len);
-          auto remaining =
-              facade->unversionedRead(mEnd, readUntil, limit, true);
-          result.insert(result.end(), remaining.begin(), remaining.end());
+          facade->unversionedRead(mEnd, readUntil, limit, true, result);
           if (limit == 0) {
             return result;
           }
           switch (m.type) {
           case weaselab::VersionedMap::Set: {
-            result.push_back(
-                {String(m.param1, m.param1Len), String(m.param2, m.param2Len)});
+            result.emplace_back(String(m.param1, m.param1Len),
+                                String(m.param2, m.param2Len));
             --limit;
             if (limit == 0) {
               return result;
@@ -59,8 +57,7 @@ struct Facade {
             break;
           }
         }
-        auto remaining = facade->unversionedRead(begin, readUntil, limit, true);
-        result.insert(result.end(), remaining.begin(), remaining.end());
+        facade->unversionedRead(begin, readUntil, limit, true, result);
         return result;
       } else {
         weaselab::VersionedMap::Iterator iter = versionedIter[0];
@@ -69,15 +66,13 @@ struct Facade {
         for (; iter != endIter; ++iter) {
           auto m = *iter;
           const auto mBegin = String(m.param1, m.param1Len);
-          auto remaining =
-              facade->unversionedRead(readThrough, mBegin, limit, false);
-          result.insert(result.end(), remaining.begin(), remaining.end());
+          facade->unversionedRead(readThrough, mBegin, limit, false, result);
           if (limit == 0) {
             return result;
           }
           switch (m.type) {
           case weaselab::VersionedMap::Set: {
-            result.push_back({mBegin, String(m.param2, m.param2Len)});
+            result.emplace_back(mBegin, String(m.param2, m.param2Len));
             --limit;
             if (limit == 0) {
               return result;
@@ -89,9 +84,7 @@ struct Facade {
             break;
           }
         }
-        auto remaining =
-            facade->unversionedRead(readThrough, end, limit, false);
-        result.insert(result.end(), remaining.begin(), remaining.end());
+        facade->unversionedRead(readThrough, end, limit, false, result);
         return result;
       }
     }
@@ -138,29 +131,27 @@ struct Facade {
   int64_t getVersion() const { return versioned.getVersion(); }
   int64_t getOldestVersion() const { return versioned.getOldestVersion(); }
 
-  std::vector<std::pair<String, String>> unversionedRead(const String &begin,
-                                                         const String &end,
-                                                         int &limit,
-                                                         bool reverse) const {
+  void unversionedRead(const String &begin, const String &end, int &limit,
+                       bool reverse,
+                       std::vector<std::pair<String, String>> &result) const {
     if (begin >= end) {
-      return {};
+      return;
     }
-    std::vector<std::pair<String, String>> result;
     if (reverse) {
       if (unversioned.empty()) {
-        return result;
+        return;
       }
       auto iter = unversioned.lower_bound(end);
       const auto beginIter = unversioned.begin();
       if (iter == beginIter) {
-        return result;
+        return;
       }
       --iter;
       for (; iter->first >= begin && limit > 0; --iter) {
         result.push_back(*iter);
         --limit;
         if (iter == beginIter) {
-          return result;
+          return;
         }
       }
     } else {
@@ -171,7 +162,6 @@ struct Facade {
         --limit;
       }
     }
-    return result;
   }
 
   std::map<String, String> unversioned;