diff --git a/debian/changelog b/debian/changelog
index cbf2710..379c9ea 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -2,6 +2,9 @@
 
   * New upstream release (r105).
   * Update patches/support-kfreebsd.patch.
+  * Remove unnecessary patches.
+    - patches/add_tegaki_ui_scim_mozc.patch 
+    - patches/add_tegaki_ui_ibus_mozc.patch
 
  -- Nobuhiro Iwamatsu <iwamatsu@debian.org>  Wed, 28 Mar 2012 12:34:56 +0900
 
diff --git a/debian/patches/add_tegaki_ui_ibus_mozc.patch b/debian/patches/add_tegaki_ui_ibus_mozc.patch
deleted file mode 100644
index d630b19..0000000
--- a/debian/patches/add_tegaki_ui_ibus_mozc.patch
+++ /dev/null
@@ -1,35 +0,0 @@
-Description: Add tegaki UI for ibus mozc.
-Forwarded: none
-Author: Nobuhiro iwamatsu <iwamatsut@debian.org>
-Last-Update: 2011-12-06
-
-
-diff --git a/unix/ibus/mozc_engine_property.cc b/unix/ibus/mozc_engine_property.cc
-index 63bb411..29a0d8e 100755
---- a/unix/ibus/mozc_engine_property.cc
-+++ b/unix/ibus/mozc_engine_property.cc
-@@ -121,6 +121,24 @@ const MozcEngineToolProperty kMozcEngineToolProperties[] = {
-     "character_palette.png",
-   },
-   {
-+    "Tool.WordRegisterDialog",
-+    "word_register_dialog",
-+    "Word register tool",
-+    NULL,
-+  },
-+  {
-+    "Tool.InputPad",
-+    "character_palette",
-+    "Character Input palette",
-+    NULL,
-+  },
-+  {
-+    "Tool.HandWriting",
-+    "hand_writing",
-+    "Hand-written character recognition",
-+    NULL,
-+  },
-+  {
-     "Tool.AboutDialog",
-     "about_dialog",
-     "About Mozc",
diff --git a/debian/patches/add_tegaki_ui_scim_mozc.patch b/debian/patches/add_tegaki_ui_scim_mozc.patch
deleted file mode 100644
index 773942e..0000000
--- a/debian/patches/add_tegaki_ui_scim_mozc.patch
+++ /dev/null
@@ -1,35 +0,0 @@
-Description: Add tegaki UI for scim mozc.
-Forwarded: none
-Author: Nobuhiro iwamatsu <iwamatsut@debian.org>
-Last-Update: 2011-10-04
-
-diff --git a/unix/scim/scim_mozc.cc b/unix/scim/scim_mozc.cc
-index 742aa3f..2fa0218 100755
---- a/unix/scim/scim_mozc.cc
-+++ b/unix/scim/scim_mozc.cc
-@@ -48,6 +48,12 @@ const char kPropTool[] = "/Mozc/Tool";
- const char kPropToolIcon[] = SCIM_ICONDIR "/scim-mozc-tool.png";
- const char kPropToolDictionary[] = "/Mozc/Tool/dictionary";
- const char kPropToolDictionaryIcon[] = SCIM_ICONDIR "/scim-mozc-dictionary.png";
-+const char kPropToolWordregister[] = "/Mozc/Tool/wordregister";
-+const char kPropToolWordregisterIcon[] = "";
-+const char kPropToolInputpad[] = "/Mozc/Tool/inputpad";
-+const char kPropToolInputpadIcon[] = "";
-+const char kPropToolHandwriting[] = "/Mozc/Tool/handwriting";
-+const char kPropToolHandwritingIcon[] = "";
- const char kPropToolProperty[] = "/Mozc/Tool/property";
- const char kPropToolPropertyIcon[] = SCIM_ICONDIR "/scim-mozc-properties.png";
-
-@@ -260,6 +266,12 @@ void ScimMozc::trigger_property(const scim::String &property) {
-     args = "--mode=dictionary_tool";
-   } else if (property == kPropToolProperty) {
-     args = "--mode=config_dialog";
-+  } else if (property == kPropToolWordregister) {
-+    args = "--mode=word_register_dialog";
-+  } else if (property == kPropToolInputpad) {
-+    args = "--mode=character_palette";
-+  } else if (property == kPropToolHandwriting) {
-+    args = "--mode=hand_writing";
-   } else {
-     // Unknown property.
-     return;
diff --git a/debian/patches/series b/debian/patches/series
index a64559a..4f78b9d 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -1,5 +1,3 @@
 support-kfreebsd.patch
 uim-mozc.patch
 # add_file_to_gypfile_check.patch
-add_tegaki_ui_scim_mozc.patch
-add_tegaki_ui_ibus_mozc.patch