diff --git a/debian/changelog b/debian/changelog
index bad022337..0ce098a89 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -3,6 +3,9 @@ cmake (2.8.0~rc5-1) UNRELEASED; urgency=low
   * New upstream development release.
     - FindJNI.cmake does no longer get confused about multiple JVM installs
       (Closes: #553151).
+  * Switch to dpkg-source format 3.0 (quilt):
+    - drop build dependency on quilt;
+    - drop quilt.make snippet include from debian/rules.
 
  -- Modestas Vainius <modestas@vainius.eu>  Fri, 06 Nov 2009 22:09:00 +0200
 
diff --git a/debian/control b/debian/control
index 6daca654a..da4db1fd8 100644
--- a/debian/control
+++ b/debian/control
@@ -4,7 +4,7 @@ Priority: optional
 Maintainer: A. Maitland Bottoms <bottoms@debian.org>
 Uploaders: Modestas Vainius <modestas@vainius.eu>
 DM-Upload-Allowed: yes
-Build-Depends: debhelper (>= 7), tcl8.4, quilt,
+Build-Depends: debhelper (>= 7), tcl8.4,
  libcurl4-gnutls-dev, libxmlrpc-c3-dev, libexpat1-dev, zlib1g-dev,
  libncurses5-dev, libqt4-dev (>= 4.4.0)
 Standards-Version: 3.8.3
diff --git a/debian/rules b/debian/rules
index dde59e619..9bb34c551 100755
--- a/debian/rules
+++ b/debian/rules
@@ -1,7 +1,5 @@
 #!/usr/bin/make -f
 
-include /usr/share/quilt/quilt.make
-
 # The next line will cause Dart to be used if it is installed...
 #USE_DARTP:=$(shell if [ -d /usr/share/Dart ]; then echo true; fi )
 USE_DARTP:=
@@ -54,7 +52,7 @@ build-stamp: configure-stamp
 	cd Build && $(MAKE) $(if $(USE_DARTP),Experimental && $(MAKE) ExperimentalSubmit)
 	touch $@
 
-clean: unpatch
+clean:
 	dh_testdir
 	dh_testroot
 	rm -rf build-stamp configure-stamp $(BUILD_FLAGS_FILE)
diff --git a/debian/source/format b/debian/source/format
new file mode 100644
index 000000000..163aaf8d8
--- /dev/null
+++ b/debian/source/format
@@ -0,0 +1 @@
+3.0 (quilt)