diff --git a/pkgs/development/python-modules/keras/default.nix b/pkgs/development/python-modules/keras/default.nix
index 83ef2328279..dde820876d8 100644
--- a/pkgs/development/python-modules/keras/default.nix
+++ b/pkgs/development/python-modules/keras/default.nix
@@ -25,14 +25,6 @@ buildPythonPackage rec {
     keras-applications keras-preprocessing
   ];
 
-  # Keras 2.2.2 expects older versions of keras_applications
-  # and keras_preprocessing. These substitutions can be removed
-  # for for the next Keras release.
-  postPatch = ''
-    substituteInPlace setup.py --replace "keras_applications==1.0.4" "keras_applications==1.0.5"
-    substituteInPlace setup.py --replace "keras_preprocessing==1.0.2" "keras_preprocessing==1.0.3"
-  '';
-
   # Couldn't get tests working
   doCheck = false;