diff --git a/script/prune_mocks.go b/script/prune_mocks.go
index 0c3705930..00e5f73b5 100644
--- a/script/prune_mocks.go
+++ b/script/prune_mocks.go
@@ -11,7 +11,6 @@ package main
 import (
 	"bufio"
 	"flag"
-	"fmt"
 	"io/ioutil"
 	"log"
 	"os"