diff --git a/debian/changelog b/debian/changelog
index 89374d809..5c5f5e471 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -2,6 +2,7 @@ cmake (3.12.1-1) UNRELEASED; urgency=medium
 
   * New upstream release.
     - Fixes FTBFS with recent version of libuv1. (Closes: #905140)
+  * Drop qt_import_dir_variable.diff, not needed anymore.
 
  -- Felix Geyer <fgeyer@debian.org>  Thu, 09 Aug 2018 18:07:18 +0200
 
diff --git a/debian/patches/qt_import_dir_variable.diff b/debian/patches/qt_import_dir_variable.diff
deleted file mode 100644
index eebcc04fb..000000000
--- a/debian/patches/qt_import_dir_variable.diff
+++ /dev/null
@@ -1,25 +0,0 @@
-From: Jonathan Riddell <jriddell@ubuntu.com>
-Subject: FindQt4: define QT_IMPORTS_DIR variable even if it is not present on the system.
-Date: 2012-01-18 16:00:49 UTC
-Bug: http://public.kitware.com/Bug/view.php?id=14155
-Bug-Ubuntu: https://bugs.launchpad.net/ubuntu/+source/cmake/+bug/894805
-Forwarded: yes
-Origin: vendor
-
-This happens when there are no plugins currently installed.
-
----
- Modules/FindQt4.cmake |    2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
---- a/Modules/FindQt4.cmake
-+++ b/Modules/FindQt4.cmake
-@@ -736,7 +736,7 @@ if (QT_QMAKE_EXECUTABLE AND
-   if (QT_LIBRARY_DIR AND NOT QT_IMPORTS_DIR OR QT_QMAKE_CHANGED)
-     _qt4_query_qmake(QT_INSTALL_IMPORTS qt_imports_dir)
-     if(qt_imports_dir)
--      set(QT_IMPORTS_DIR NOTFOUND)
-+      set(QT_IMPORTS_DIR "${qt_imports_dir}")
-       foreach(qt_cross_path ${CMAKE_FIND_ROOT_PATH})
-         set(qt_cross_paths ${qt_cross_paths} "${qt_cross_path}/imports")
-       endforeach()
diff --git a/debian/patches/series b/debian/patches/series
index e9e2070cc..eba29532d 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -1,3 +1,2 @@
 FindBoost_add_-lpthread_#563479.diff
-qt_import_dir_variable.diff
 fix-ftbfs-on-kfreebsd.patch