diff --git a/db/vars.go b/db/vars.go
index 9de4999c..12a91ee2 100644
--- a/db/vars.go
+++ b/db/vars.go
@@ -16,7 +16,6 @@ package db
 
 import (
 	"errors"
-	"runtime"
 )
 
 type method int8
@@ -86,7 +85,7 @@ const (
 var (
 	// workerCount specifies how many workers should be used
 	// to process each query statement concurrently.
-	workerCount = runtime.NumCPU()
+	workerCount = 1
 
 	// maxRecursiveQueries specifies how many queries will be
 	// processed recursively before the query is cancelled.