diff --git a/pkgs/applications/misc/semnotes/default.nix b/pkgs/applications/misc/semnotes/default.nix
deleted file mode 100644
index 52a575130c0..00000000000
--- a/pkgs/applications/misc/semnotes/default.nix
+++ /dev/null
@@ -1,26 +0,0 @@
-{ stdenv, fetchurl, cmake, qt4, kdelibs, soprano, automoc4, phonon, shared_desktop_ontologies }:
-stdenv.mkDerivation {
-  name = "semnotes-0.4.0-1";
-
-  src = fetchurl {
-    url = "mirror://sourceforge/semn/0.4.0/semnotes-0.4.0-1-src.tar.bz2";
-    sha256 = "1zh5jfh7pyhyz5fbzcgzyckdg0ny7sf8s16yy6rjw9n021zz5i7m";
-  };
-
-  buildInputs = [ cmake qt4 kdelibs automoc4 phonon soprano shared_desktop_ontologies ];
-
-  meta = with stdenv.lib; {
-    description = "Semantic note-taking tool for KDE based on Nepomuk-KDE";
-    longDescription = ''
-      SemNotes links notes to the data that is available on the user's desktop.
-      The data stored about a note consists of: a title, content, tags, creation
-      and last modification time. The notes and all the information about them
-      are stored as RDF resources in the Nepomuk repository. They are
-      automatically linked to the resources they reference.
-    '';
-    license = "GPL";
-    homepage = http://smile.deri.ie/projects/semn;
-    maintainers = [ maintainers.phreedom ];
-    platforms = platforms.linux;
-  };
-}
\ No newline at end of file
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index b467f95b58d..99b4176596b 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -16721,8 +16721,6 @@ with pkgs;
 
         massif-visualizer = callPackage ../development/tools/analysis/massif-visualizer { };
 
-        semnotes = callPackage ../applications/misc/semnotes { };
-
         telepathy = callPackage ../applications/networking/instant-messengers/telepathy/kde {};
 
         zanshin = callPackage ../applications/office/zanshin { };