diff --git a/.amateras b/.amateras
deleted file mode 100644
index 060ad2690..000000000
--- a/.amateras
+++ /dev/null
@@ -1,12 +0,0 @@
-#EclipseHTMLEditor configuration file
-#Mon May 18 05:57:06 JST 2009
-validateDTD=true
-javaScriptCompleters=
-useDTD=true
-validateJSP=true
-validateXML=true
-validateJS=true
-removeMarkers=false
-root=/src/main/webapp
-validateHTML=true
-javaScripts=
diff --git a/.tomcatplugin b/.tomcatplugin
deleted file mode 100644
index 715fd13a2..000000000
--- a/.tomcatplugin
+++ /dev/null
@@ -1,11 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<tomcatProjectProperties>
-    <rootDir>src/main/webapp/</rootDir>
-    <exportSource>false</exportSource>
-    <reloadable>false</reloadable>
-    <redirectLogger>true</redirectLogger>
-    <updateXml>true</updateXml>
-    <warLocation></warLocation>
-    <extraInfo></extraInfo>
-    <webPath>/fess</webPath>
-</tomcatProjectProperties>