diff --git a/pkgs/development/python-modules/google-api-python-client/default.nix b/pkgs/development/python-modules/google-api-python-client/default.nix
index 89c7c6b8df8..291d038258f 100644
--- a/pkgs/development/python-modules/google-api-python-client/default.nix
+++ b/pkgs/development/python-modules/google-api-python-client/default.nix
@@ -4,7 +4,6 @@
 buildPythonPackage rec {
   pname = "google-api-python-client";
   version = "1.7.8";
-  #disabled = !isPy3k; # TODO: Python 2.7 was deprecated but weboob still depends on it.
 
   src = fetchPypi {
     inherit pname version;
diff --git a/pkgs/development/python-modules/weboob/default.nix b/pkgs/development/python-modules/weboob/default.nix
index a3d06a248c3..26eca0d24cc 100644
--- a/pkgs/development/python-modules/weboob/default.nix
+++ b/pkgs/development/python-modules/weboob/default.nix
@@ -6,18 +6,7 @@
 , unidecode
 }:
 
-let
-  # Support for Python 2.7 was dropped in 1.7.7
-  google_api_python_client_python27 = google_api_python_client.overrideDerivation
-    (oldAttrs: rec {
-      pname = "google-api-python-client";
-      version = "1.7.6";
-      src = fetchPypi {
-        inherit pname version;
-        sha256 = "14w5sdrp0bk9n0r2lmpqmrbf2zclpfq6q7giyahnskkfzdkb165z";
-      };
-    });
-in buildPythonPackage rec {
+buildPythonPackage rec {
   pname = "weboob";
   version = "1.3";
   disabled = ! isPy27;
@@ -40,21 +29,16 @@ in buildPythonPackage rec {
     }; p' weboob/browser/browsers.py weboob/browser/pages.py
   '';
 
-  # Would fail with `Could not find executable: pyuic5`.
-  # That executable will be looked up from an environment variable
-  # in this format when available
-  #
-  # See: https://git.weboob.org/weboob/weboob/blob/1.3/setup.py#L32
-  PYUIC5_EXECUTABLE = "${pyqt5}/bin/pyuic5";
-
   setupPyBuildFlags = ["--qt" "--xdg"];
 
   checkInputs = [ nose ];
 
+  nativeBuildInputs = [ pyqt5 ];
+
   propagatedBuildInputs = [ pillow prettytable pyyaml dateutil
     gdata requests mechanize feedparser lxml gnupg pyqt5 libyaml
     simplejson cssselect futures pdfminer termcolor
-    google_api_python_client_python27 html2text unidecode ];
+    google_api_python_client html2text unidecode ];
 
   checkPhase = ''
     nosetests
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 9a837bca465..5045aaa9255 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -2689,7 +2689,17 @@ in {
 
   google_api_core = callPackage ../development/python-modules/google_api_core { };
 
-  google_api_python_client = callPackage ../development/python-modules/google-api-python-client { };
+  google_api_python_client = let
+    google_api_python_client = callPackage ../development/python-modules/google-api-python-client { };
+  in if isPy3k then google_api_python_client else
+    # Python 2.7 support was deprecated but is still needed by weboob
+    google_api_python_client.overridePythonAttrs (old: rec {
+      version = "1.7.6";
+      src = old.src.override {
+        inherit version;
+        sha256 = "14w5sdrp0bk9n0r2lmpqmrbf2zclpfq6q7giyahnskkfzdkb165z";
+      };
+    });
 
   google_apputils = callPackage ../development/python-modules/google_apputils { };