diff --git a/includes/service.inc b/includes/service.inc
index 105cdd2..d829762 100644
--- a/includes/service.inc
+++ b/includes/service.inc
@@ -1604,7 +1604,6 @@ class SearchApiSolrService extends SearchApiAbstractService {
     if ($value === NULL) {
       return ($operator == '=' ? '*:* AND -' : '') . "$field:[* TO *]";
     }
-    $value = trim($value);
     $value = $this->formatFilterValue($value, search_api_extract_inner_type($field_info['type']));
     switch ($operator) {
       case '<>':