diff --git a/src/main/java/org/ntlab/amaryllis/server/ServletInitializer.java b/src/main/java/org/ntlab/amaryllis/server/ServletInitializer.java
deleted file mode 100644
index 265671d..0000000
--- a/src/main/java/org/ntlab/amaryllis/server/ServletInitializer.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package org.ntlab.amaryllis.server;
-
-import org.springframework.boot.builder.SpringApplicationBuilder;
-import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;
-
-public class ServletInitializer extends SpringBootServletInitializer {
-
-    @Override
-    protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
-        return application.sources(ServerApplication.class);
-    }
-
-}
\ No newline at end of file