diff --git a/pkgs/applications/graphics/gimp/default.nix b/pkgs/applications/graphics/gimp/default.nix
index 55c95c95cf73..cefba7ff7747 100644
--- a/pkgs/applications/graphics/gimp/default.nix
+++ b/pkgs/applications/graphics/gimp/default.nix
@@ -115,6 +115,8 @@ in stdenv.mkDerivation rec {
     libwebp
     libheif
     python
+    # Duplicated here because python.withPackages does not expose the dev output with pkg-config files
+    python2.pkgs.pygtk
     libexif
     xorg.libXpm
     glib-networking
diff --git a/pkgs/applications/networking/remote/teamviewer/default.nix b/pkgs/applications/networking/remote/teamviewer/default.nix
index 7ee1cc9ab4fa..ba6d3d3c0f85 100644
--- a/pkgs/applications/networking/remote/teamviewer/default.nix
+++ b/pkgs/applications/networking/remote/teamviewer/default.nix
@@ -6,6 +6,8 @@
 
 mkDerivation rec {
   pname = "teamviewer";
+  # teamviewer itself has not development files but the dev output removes propagated other dev outputs from runtime
+  outputs = [ "out" "dev" ];
   version = "15.29.4";
 
   src = fetchurl {
diff --git a/pkgs/development/python2-modules/pygtk/default.nix b/pkgs/development/python2-modules/pygtk/default.nix
index 465d711ec6ff..08e1520c4c85 100644
--- a/pkgs/development/python2-modules/pygtk/default.nix
+++ b/pkgs/development/python2-modules/pygtk/default.nix
@@ -3,6 +3,7 @@
 
 buildPythonPackage rec {
   pname = "pygtk";
+  outputs = [ "out" "dev" ];
   version = "2.24.0";
 
   disabled = isPy3k;