diff --git a/requirements.txt b/requirements.txt
index 8e9f61c..d8553c1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,2 @@
-# The order of packages is significant, because pip processes them in the order
-# of appearance. Changing the order has an impact on the overall integration
-# process, which may cause wedges in the gate later.
-
-pbr!=2.1.0,>=2.0.0 # Apache-2.0
 importlib_metadata>=1.7.0;python_version<'3.8' # Apache-2.0
 wrapt>=1.7.0 # BSD License