diff --git a/mica-http/src/main/java/net/dreamlu/mica/http/FormBuilder.java b/mica-http/src/main/java/net/dreamlu/mica/http/FormBuilder.java
index db5d147ab..dcd171d05 100644
--- a/mica-http/src/main/java/net/dreamlu/mica/http/FormBuilder.java
+++ b/mica-http/src/main/java/net/dreamlu/mica/http/FormBuilder.java
@@ -17,7 +17,6 @@
 package net.dreamlu.mica.http;
 
 import okhttp3.FormBody;
-import okhttp3.MultipartBody;
 
 import javax.annotation.Nullable;
 import java.util.Map;