diff --git a/arangod/Aql/IndexBlock.cpp b/arangod/Aql/IndexBlock.cpp
index e2ca6fa872..c99c6b24d7 100644
--- a/arangod/Aql/IndexBlock.cpp
+++ b/arangod/Aql/IndexBlock.cpp
@@ -91,8 +91,6 @@ IndexBlock::~IndexBlock () {
 }
 
 void IndexBlock::buildExpressions () {
-  size_t posInExpressions = 0;
-
   // The following are needed to evaluate expressions with local data from
   // the current incoming item: