diff --git a/cmd/tsdb/main.go b/cmd/tsdb/main.go
index d4fdc6251f..e7b33c855e 100644
--- a/cmd/tsdb/main.go
+++ b/cmd/tsdb/main.go
@@ -15,7 +15,6 @@ package main
 
 import (
 	"bufio"
-	"flag"
 	"fmt"
 	"io"
 	"io/ioutil"
@@ -107,9 +106,6 @@ func main() {
 		}
 		dumpSamples(db, *dumpMinTime, *dumpMaxTime)
 	}
-	if err := flag.CommandLine.Set("log.level", "debug"); err != nil {
-		exitWithError(err)
-	}
 }
 
 type writeBenchmark struct {