diff --git a/debian/nimf.install.default b/debian/nimf.install.default
deleted file mode 100644
index 996648d..0000000
--- a/debian/nimf.install.default
+++ /dev/null
@@ -1,18 +0,0 @@
-etc/input.d/nimf.conf
-etc/xdg/autostart
-usr/bin
-usr/lib/*/gtk-*
-usr/lib/*/nimf/modules/libnimf-system-keyboard.so
-usr/lib/*/nimf/modules/services
-usr/lib/*/qt*
-usr/share/applications
-usr/share/glib-2.0/schemas/org.nimf.clients.*
-usr/share/glib-2.0/schemas/org.nimf.engines.nimf-system-keyboard.gschema.xml
-usr/share/glib-2.0/schemas/org.nimf.gschema.xml
-usr/share/glib-2.0/schemas/org.nimf.settings.gschema.xml
-usr/share/icons/hicolor/*/status/nimf-focus-out.*
-usr/share/icons/hicolor/*/status/nimf-logo.*
-usr/share/icons/hicolor/*/status/nimf-system-keyboard.*
-usr/share/im-config
-usr/share/locale
-usr/share/man
diff --git a/debian/nimf.install.kumkang b/debian/nimf.install.kumkang
deleted file mode 100644
index 42a06f0..0000000
--- a/debian/nimf.install.kumkang
+++ /dev/null
@@ -1,19 +0,0 @@
-etc/input.d/nimf.conf
-etc/xdg/autostart
-usr/bin
-usr/lib/*/gtk-*
-usr/lib/*/nimf/modules/libnimf-system-keyboard.so
-usr/lib/*/nimf/modules/services
-usr/lib/*/qt*
-usr/lib/qt6 /usr/lib/x86_64-linux-gnu
-usr/share/applications
-usr/share/glib-2.0/schemas/org.nimf.clients.*
-usr/share/glib-2.0/schemas/org.nimf.engines.nimf-system-keyboard.gschema.xml
-usr/share/glib-2.0/schemas/org.nimf.gschema.xml
-usr/share/glib-2.0/schemas/org.nimf.settings.gschema.xml
-usr/share/icons/hicolor/*/status/nimf-focus-out.*
-usr/share/icons/hicolor/*/status/nimf-logo.*
-usr/share/icons/hicolor/*/status/nimf-system-keyboard.*
-usr/share/im-config
-usr/share/locale
-usr/share/man
diff --git a/debian/rules b/debian/rules
index 1c639e9..0142f25 100755
--- a/debian/rules
+++ b/debian/rules
@@ -6,9 +6,6 @@
 %:
 	dh $@ --with autoreconf
 
-# Detect OS version
-OS_VERSION := $(shell lsb_release -rs)
-
 override_dh_autoreconf:
 	./autogen.sh
 
@@ -25,17 +22,6 @@ override_dh_clean:
 	rm -f aclocal.m4 config.log config.status
 	rm -rf debian/tmp
 	
-override_dh_auto_install:
-# hamonikr kumkang
-ifeq ($(OS_VERSION), 7.0)
-	cp debian/nimf.install.kumkang debian/nimf.install
-else
-	cp debian/nimf.install.default debian/nimf.install
-endif
-	dh_auto_install
-	# Remove .la files to avoid libtool conflicts
-	find debian/tmp/usr/lib -name "*.la" -delete
-
 override_dh_shlibdeps:
 	dh_shlibdeps --dpkg-shlibdeps-params=--ignore-missing-info -l/usr/lib/x86_64-linux-gnu