diff --git a/pkgs/applications/misc/khal/default.nix b/pkgs/applications/misc/khal/default.nix
index 85720f644831..7f7f1308eb13 100644
--- a/pkgs/applications/misc/khal/default.nix
+++ b/pkgs/applications/misc/khal/default.nix
@@ -22,13 +22,13 @@ pythonPackages.buildPythonPackage rec {
     requests_toolbelt
     tzlocal
     urwid
+    python.modules.sqlite3
   ];
 
-  meta = {
+  meta = with stdenv.lib; {
     homepage = http://lostpackets.de/khal/;
     description = "CLI calendar application";
-    license = stdenv.lib.licenses.mit;
-    maintainers = with stdenv.lib.maintainers; [ matthiasbeyer ];
+    license = licenses.mit;
+    maintainers = with maintainers; [ matthiasbeyer jgeerds ];
   };
 }
-
diff --git a/pkgs/tools/misc/vdirsyncer/default.nix b/pkgs/tools/misc/vdirsyncer/default.nix
index 5312445563a6..86e424ad08be 100644
--- a/pkgs/tools/misc/vdirsyncer/default.nix
+++ b/pkgs/tools/misc/vdirsyncer/default.nix
@@ -1,4 +1,4 @@
-{ lib, fetchurl, pythonPackages }:
+{ stdenv, fetchurl, pythonPackages }:
 
 pythonPackages.buildPythonPackage rec {
   version = "0.4.3";
@@ -10,10 +10,9 @@ pythonPackages.buildPythonPackage rec {
     sha256 = "0jrxmq8lq0dvqflmh42hhyvc3jjrg1cg3gzfhdcsskj9zz0m6wai";
   };
 
-  pythonPath = with pythonPackages; [
+  propagatedBuildInputs = with pythonPackages; [
     icalendar
     click
-    requests
     lxml
     setuptools
     requests_toolbelt
@@ -21,12 +20,11 @@ pythonPackages.buildPythonPackage rec {
     atomicwrites
   ];
 
-  meta = {
+  meta = with stdenv.lib; {
     homepage = https://github.com/untitaker/vdirsyncer;
     description = "Synchronize calendars and contacts";
-    maintainers = [ lib.maintainers.matthiasbeyer ];
-    platforms = lib.platforms.all;
-    license = lib.licenses.mit;
+    maintainers = with maintainers; [ matthiasbeyer jgeerds ];
+    platforms = platforms.all;
+    license = licenses.mit;
   };
 }
-
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 77268cb088fd..2bba940c49a6 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -11615,9 +11615,7 @@ let
 
   keymon = callPackage ../applications/video/key-mon { };
 
-  khal = callPackage ../applications/misc/khal {
-    pythonPackages = python3Packages;
-  };
+  khal = callPackage ../applications/misc/khal { };
 
   kid3 = callPackage ../applications/audio/kid3 {
     qt = qt4;
@@ -12689,9 +12687,7 @@ let
 
   vcprompt = callPackage ../applications/version-management/vcprompt { };
 
- vdirsyncer = callPackage ../tools/misc/vdirsyncer {
-   pythonPackages = python3Packages;
- };
+  vdirsyncer = callPackage ../tools/misc/vdirsyncer { };
 
   vdpauinfo = callPackage ../tools/X11/vdpauinfo { };