diff --git a/requirements.txt b/requirements.txt
index 7764c23c..d2f44f1a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,3 @@
-# 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
 alembic>=0.9.6 # MIT
 debtcollector>=1.2.0 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index 75b9f7e0..dde2d0b8 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,7 +1,4 @@
-# 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.
-hacking>=3.0.1,<3.1.0 # Apache-2.0
+hacking>=6.1.0,<6.2.0 # Apache-2.0
 coverage!=4.4,>=4.0 # Apache-2.0
 eventlet!=0.18.3,!=0.20.1,>=0.18.2 # MIT
 fixtures>=3.0.0 # Apache-2.0/BSD