diff --git a/test/Performance/benchmark/pdo_sqlsrv/PDOCRUDBench.php b/test/Performance/benchmark/pdo_sqlsrv/PDOCRUDBench.php
index 866d5521..dd9e3660 100644
--- a/test/Performance/benchmark/pdo_sqlsrv/PDOCRUDBench.php
+++ b/test/Performance/benchmark/pdo_sqlsrv/PDOCRUDBench.php
@@ -61,7 +61,7 @@ class PDOSqlsrvCRUDBench extends CRUDBaseBenchmark
         {
             PDOSqlsrvUtil::insertWithPrepare( $this->conn, $this->tableName, $this->insertValues );
             PDOSqlsrvUtil::fetchWithPrepare( $this->conn, $this->tableName );
-            $stmt = PDOSqlsrvUtil::updateWithPrepare( $this->conn, $this->tableName, $this->updateValues, $this->updateParams );
+            PDOSqlsrvUtil::updateWithPrepare( $this->conn, $this->tableName, $this->updateValues, $this->updateParams );
             PDOSqlsrvUtil::deleteWithPrepare( $this->conn, $this->tableName );
         }
     }
diff --git a/test/Performance/benchmark/pdo_sqlsrv/PDOUpdateBench.php b/test/Performance/benchmark/pdo_sqlsrv/PDOUpdateBench.php
index cceaac60..21a25106 100644
--- a/test/Performance/benchmark/pdo_sqlsrv/PDOUpdateBench.php
+++ b/test/Performance/benchmark/pdo_sqlsrv/PDOUpdateBench.php
@@ -57,7 +57,7 @@ class PDOUpdateBench extends CRUDBaseBenchmark
     {
         for( $i=0; $i<PDOSqlsrvUtil::$loopsPerCRUDIter; $i++ )
         {
-            $stmt = PDOSqlsrvUtil::updateWithPrepare( $this->conn, $this->tableName, $this->updateValues, $this->updateParams );
+            PDOSqlsrvUtil::updateWithPrepare( $this->conn, $this->tableName, $this->updateValues, $this->updateParams );
         }
     }
 
diff --git a/test/Performance/benchmark/sqlsrv/SqlsrvCRUDBench.php b/test/Performance/benchmark/sqlsrv/SqlsrvCRUDBench.php
index bcc93513..5a3550ba 100644
--- a/test/Performance/benchmark/sqlsrv/SqlsrvCRUDBench.php
+++ b/test/Performance/benchmark/sqlsrv/SqlsrvCRUDBench.php
@@ -61,7 +61,7 @@ class SqlsrvCRUDBench extends CRUDBaseBenchmark
         {
             SqlsrvUtil::insertWithPrepare( $this->conn, $this->tableName, $this->insertValues );
             SqlsrvUtil::fetchWithPrepare( $this->conn, $this->tableName );
-            $stmt = SqlsrvUtil::updateWithPrepare( $this->conn, $this->tableName, $this->updateValues, $this->updateParams );
+            SqlsrvUtil::updateWithPrepare( $this->conn, $this->tableName, $this->updateValues, $this->updateParams );
             SqlsrvUtil::delete( $this->conn, $this->tableName );
         }
     }
diff --git a/test/Performance/benchmark/sqlsrv/SqlsrvUpdateBench.php b/test/Performance/benchmark/sqlsrv/SqlsrvUpdateBench.php
index de86cc82..eb41dfac 100644
--- a/test/Performance/benchmark/sqlsrv/SqlsrvUpdateBench.php
+++ b/test/Performance/benchmark/sqlsrv/SqlsrvUpdateBench.php
@@ -57,7 +57,7 @@ class SqlsrvUpdateBench extends CRUDBaseBenchmark
     {
         for( $i=0; $i<SqlsrvUtil::$loopsPerCRUDIter; $i++ )
         {
-            $stmt = SqlsrvUtil::updateWithPrepare( $this->conn, $this->tableName, $this->updateValues, $this->updateParams );
+            SqlsrvUtil::updateWithPrepare( $this->conn, $this->tableName, $this->updateValues, $this->updateParams );
         }
     }