diff --git a/nettests/facebook_messenger.go b/nettests/facebook_messenger.go
index 7ec7880..4285365 100644
--- a/nettests/facebook_messenger.go
+++ b/nettests/facebook_messenger.go
@@ -12,9 +12,6 @@ func (h FacebookMessenger) Run(ctl *Controller) error {
 	if err != nil {
 		return err
 	}
-	if err := builder.SetOptionString("LogLevel", "INFO"); err != nil {
-		return err
-	}
 	return ctl.Run(builder, []string{""})
 }
 
diff --git a/nettests/http_header_field_manipulation.go b/nettests/http_header_field_manipulation.go
index 6aada04..b9094df 100644
--- a/nettests/http_header_field_manipulation.go
+++ b/nettests/http_header_field_manipulation.go
@@ -16,9 +16,6 @@ func (h HTTPHeaderFieldManipulation) Run(ctl *Controller) error {
 	if err != nil {
 		return err
 	}
-	if err := builder.SetOptionString("LogLevel", "INFO"); err != nil {
-		return err
-	}
 	return ctl.Run(builder, []string{""})
 }
 
diff --git a/nettests/http_invalid_request_line.go b/nettests/http_invalid_request_line.go
index dcaf95a..0b62f36 100644
--- a/nettests/http_invalid_request_line.go
+++ b/nettests/http_invalid_request_line.go
@@ -16,9 +16,6 @@ func (h HTTPInvalidRequestLine) Run(ctl *Controller) error {
 	if err != nil {
 		return err
 	}
-	if err := builder.SetOptionString("LogLevel", "INFO"); err != nil {
-		return err
-	}
 	return ctl.Run(builder, []string{""})
 }
 
diff --git a/nettests/whatsapp.go b/nettests/whatsapp.go
index d05002b..b3aa424 100644
--- a/nettests/whatsapp.go
+++ b/nettests/whatsapp.go
@@ -12,9 +12,6 @@ func (h WhatsApp) Run(ctl *Controller) error {
 	if err != nil {
 		return err
 	}
-	if err := builder.SetOptionString("LogLevel", "INFO"); err != nil {
-		return err
-	}
 	return ctl.Run(builder, []string{""})
 }