diff --git a/src/collections_me.c b/src/collections_me.c
index 7db055e..9bb2430 100644
--- a/src/collections_me.c
+++ b/src/collections_me.c
@@ -122,14 +122,6 @@ ZEND_BEGIN_ARG_INFO(binary_search_by_arginfo, 0)
     ZEND_ARG_TYPE_INFO(0, to_index, IS_LONG, 0)
 ZEND_END_ARG_INFO()
 
-ZEND_BEGIN_ARG_INFO(binary_search_with_arginfo, 0)
-    ZEND_ARG_INFO(0, element)
-    ZEND_ARG_CALLABLE_INFO(0, comparator, 0)
-    ZEND_ARG_TYPE_INFO(0, flags, IS_LONG, 0)
-    ZEND_ARG_TYPE_INFO(0, from_index, IS_LONG, 0)
-    ZEND_ARG_TYPE_INFO(0, to_index, IS_LONG, 0)
-ZEND_END_ARG_INFO()
-
 ZEND_BEGIN_ARG_INFO(chuncked_arginfo, 0)
     ZEND_ARG_TYPE_INFO(0, size, IS_LONG, 0)
     ZEND_ARG_CALLABLE_INFO(0, transform, 0)
@@ -156,7 +148,6 @@ const zend_function_entry collection_methods[] = {
     PHP_ME(Collection, average, NULL, ZEND_ACC_PUBLIC)
     PHP_ME(Collection, binarySearch, binary_search_arginfo, ZEND_ACC_PUBLIC)
     PHP_ME(Collection, binarySearchBy, binary_search_by_arginfo, ZEND_ACC_PUBLIC)
-    PHP_ME(Collection, binarySearchWith, binary_search_with_arginfo, ZEND_ACC_PUBLIC)
     PHP_ME(Collection, chunked, chuncked_arginfo, ZEND_ACC_PUBLIC)
     PHP_ME(Collection, containsAll, other_arginfo, ZEND_ACC_PUBLIC)
     PHP_ME(Collection, containsAllKeys, other_arginfo, ZEND_ACC_PUBLIC)
diff --git a/src/collections_methods.c b/src/collections_methods.c
index 7964a83..d5e1973 100644
--- a/src/collections_methods.c
+++ b/src/collections_methods.c
@@ -987,7 +987,7 @@ PHP_METHOD(Collection, binarySearchBy)
     Bucket* end = current->arData + to_idx;
     for (; bucket < end; ++bucket) {
         CALLBACK_KEYVAL_INVOKE(params, bucket);
-        memcpy(&ref[idx++].val, &bucket->val, sizeof(zval));
+        memcpy(&ref[idx++].val, &retval, sizeof(zval));
         if (UNEXPECTED(cmp == NULL)) {
             cmp = compare_func_init(&retval, 0, flags);
         }
@@ -1000,11 +1000,6 @@ PHP_METHOD(Collection, binarySearchBy)
     free(ref);
 }
 
-PHP_METHOD(Collection, binarySearchWith)
-{
-
-}
-
 PHP_METHOD(Collection, chunked)
 {
     zend_long size;
diff --git a/src/php_collections_me.h b/src/php_collections_me.h
index 89867b9..c2344b5 100644
--- a/src/php_collections_me.h
+++ b/src/php_collections_me.h
@@ -20,7 +20,6 @@ PHP_METHOD(Collection, associateByTo);
 PHP_METHOD(Collection, average);
 PHP_METHOD(Collection, binarySearch);
 PHP_METHOD(Collection, binarySearchBy);
-PHP_METHOD(Collection, binarySearchWith);
 PHP_METHOD(Collection, chunked);
 PHP_METHOD(Collection, containsAll);
 PHP_METHOD(Collection, containsAllKeys);
diff --git a/stubs/Collection.php b/stubs/Collection.php
index 3dca4fa..93fee83 100644
--- a/stubs/Collection.php
+++ b/stubs/Collection.php
@@ -124,21 +124,6 @@ class Collection implements ArrayAccess, Countable
      */
     function binarySearchBy($element, $selector, $flags, $from_index, $to_index) {}
 
-    /**
-     * Searches the array or the range of the array for the provided element using the
-     * binary search algorithm.
-     * 
-     * The array is expected to be packed and sorted into ascending order according to
-     * the specified comparator, otherwise the result is undefined.
-     * 
-     * @param mixed $element
-     * @param callable $comparator (Pair($key, $value), Pair($key, $value)) -> int
-     * @param int $from_index[optional]
-     * @param int $to_index[optional]
-     * @return int|null
-     */
-    function binarySearchWith($element, $comparator, $from_index, $to_index) {}
-
     /**
      * Splits this collection into a collection of arrays each not exceeding the given size.
      * 
diff --git a/tests/058-binary-search-by.phpt b/tests/058-binary-search-by.phpt
index de91d05..912da9d 100644
--- a/tests/058-binary-search-by.phpt
+++ b/tests/058-binary-search-by.phpt
@@ -23,6 +23,7 @@ $array = array_map(function ($value) {
 $selector = function ($value) {
     return $value[0];
 };
+$collection = Collection::init($array);
 if ($collection->binarySearchBy($which, $selector, 0, $from, $to) != $idx) {
     echo 'Collection::binarySearchBy() failed.', PHP_EOL;
 }