diff --git a/pkgs/development/python-modules/azure-mgmt-network/default.nix b/pkgs/development/python-modules/azure-mgmt-network/default.nix
index d8e9e7eb1792..63457d6f5423 100644
--- a/pkgs/development/python-modules/azure-mgmt-network/default.nix
+++ b/pkgs/development/python-modules/azure-mgmt-network/default.nix
@@ -15,12 +15,6 @@ buildPythonPackage rec {
     sha256 = "cef9bf5d36700966e52f7cea86e29c622bc5bbb92d0ce7a75420e29fb0e75f45";
   };
 
-  preConfigure = ''
-    # Patch to make this package work on requests >= 2.11.x
-    # CAN BE REMOVED ON NEXT PACKAGE UPDATE
-    sed -i 's|len(request_content)|str(len(request_content))|' azure/mgmt/network/networkresourceprovider.py
-  '';
-
   postInstall = ''
     echo "__import__('pkg_resources').declare_namespace(__name__)" >> "$out/lib/${python.libPrefix}"/site-packages/azure/__init__.py
     echo "__import__('pkg_resources').declare_namespace(__name__)" >> "$out/lib/${python.libPrefix}"/site-packages/azure/mgmt/__init__.py