diff --git a/common/compiler/solidity.go b/common/compiler/solidity.go
index 02346a1615..7ed9c2633e 100644
--- a/common/compiler/solidity.go
+++ b/common/compiler/solidity.go
@@ -23,7 +23,6 @@ import (
 	"errors"
 	"fmt"
 	"os/exec"
-	"regexp"
 	"strconv"
 	"strings"
 )