Fix builds.

dist/lodash.underscore.js

@@ -104,60 +104,6 @@
     return -1;
   }
 
-  /**
-   * An implementation of `_.contains` for cache objects that mimics the return
-   * signature of `_.indexOf` by returning `0` if the value is found, else `-1`.
-   *
-   * @private
-   * @param {Object} cache The cache object to inspect.
-   * @param {*} value The value to search for.
-   * @returns {number} Returns `0` if `value` is found, else `-1`.
-   */
-  function cacheIndexOf(cache, value) {
-    var type = typeof value;
-    cache = cache.cache;
-
-    if (type == 'boolean' || value == null) {
-      return cache[value] ? 0 : -1;
-    }
-    if (type != 'number' && type != 'string') {
-      type = 'object';
-    }
-    var key = type == 'number' ? value : keyPrefix + value;
-    cache = (cache = cache[type]) && cache[key];
-
-    return type == 'object'
-      ? (cache && baseIndexOf(cache, value) > -1 ? 0 : -1)
-      : (cache ? 0 : -1);
-  }
-
-  /**
-   * Adds a given value to the corresponding cache object.
-   *
-   * @private
-   * @param {*} value The value to add to the cache.
-   */
-  function cachePush(value) {
-    var cache = this.cache,
-        type = typeof value;
-
-    if (type == 'boolean' || value == null) {
-      cache[value] = true;
-    } else {
-      if (type != 'number' && type != 'string') {
-        type = 'object';
-      }
-      var key = type == 'number' ? value : keyPrefix + value,
-          typeCache = cache[type] || (cache[type] = {});
-
-      if (type == 'object') {
-        (typeCache[key] || (typeCache[key] = [])).push(value);
-      } else {
-        typeCache[key] = true;
-      }
-    }
-  }
-
   /**
    * Used by `sortBy` to compare transformed `collection` elements, stable sorting
    * them in ascending order.
@@ -188,38 +134,6 @@
     return a.index - b.index;
   }
 
-  /**
-   * Creates a cache object to optimize linear searches of large arrays.
-   *
-   * @private
-   * @param {Array} [array=[]] The array to search.
-   * @returns {null|Object} Returns the cache object or `null` if caching should not be used.
-   */
-  function createCache(array) {
-    var index = -1,
-        length = array.length,
-        first = array[0],
-        mid = array[(length / 2) | 0],
-        last = array[length - 1];
-
-    if (first && typeof first == 'object' &&
-        mid && typeof mid == 'object' && last && typeof last == 'object') {
-      return false;
-    }
-    var cache = getObject();
-    cache['false'] = cache['null'] = cache['true'] = cache['undefined'] = false;
-
-    var result = getObject();
-    result.array = array;
-    result.cache = cache;
-    result.push = cachePush;
-
-    while (++index < length) {
-      result.push(array[index]);
-    }
-    return result;
-  }
-
   /**
    * Used by `template` to escape characters for inclusion in compiled
    * string literals.