diff --git a/.github/workflows/python_actions.yml b/.github/workflows/python_actions.yml
index f497ff9..83868fe 100644
--- a/.github/workflows/python_actions.yml
+++ b/.github/workflows/python_actions.yml
@@ -43,7 +43,7 @@ jobs:
       uses: ./support/actions/install-spinn-deps
       with:
         repositories: >
-          SpiNNUtils SpiNNMachine SpiNNMan PACMAN DataSpecification spalloc
+          SpiNNUtils SpiNNMachine SpiNNMan PACMAN spalloc
           SpiNNFrontEndCommon sPyNNaker
         install: true
 
diff --git a/.ratexcludes b/.ratexcludes
index e3ce47c..f63e490 100644
--- a/.ratexcludes
+++ b/.ratexcludes
@@ -4,7 +4,6 @@
 **/SpiNNMachine/**
 **/SpiNNMan/**
 **/PACMAN/**
-**/DataSpecification/**
 **/spalloc/**
 **/SpiNNFrontEndCommon/**
 **/sPyNNaker/**