diff --git a/api/command.go b/api/command.go
index 953340cccb..857ae2e9af 100644
--- a/api/command.go
+++ b/api/command.go
@@ -240,7 +240,7 @@ func handleResponse(c *Context, w http.ResponseWriter, response *model.CommandRe
 		if len(cmd.IconURL) != 0 {
 			post.AddProp("override_icon_url", cmd.IconURL)
 		} else {
-			post.AddProp("override_icon_url", model.DEFAULT_WEBHOOK_ICON)
+			post.AddProp("override_icon_url", "")
 		}
 	}
 
diff --git a/model/incoming_webhook.go b/model/incoming_webhook.go
index fabf799cd6..c567edfdae 100644
--- a/model/incoming_webhook.go
+++ b/model/incoming_webhook.go
@@ -13,7 +13,6 @@ import (
 
 const (
 	DEFAULT_WEBHOOK_USERNAME = "webhook"
-	DEFAULT_WEBHOOK_ICON     = "/static/images/webhook_icon.jpg"
 )
 
 type IncomingWebhook struct {