diff --git a/.github/workflows/qc.yml b/.github/workflows/qc.yml
index b4e43cb..5253f17 100644
--- a/.github/workflows/qc.yml
+++ b/.github/workflows/qc.yml
@@ -6,9 +6,9 @@ name: CI
 on:
   # Triggers the workflow on push or pull request events but only for the main branch
   push:
-    branches: [ main ]
+    branches: [ master ]
   pull_request:
-    branches: [ main ]
+    branches: [ master ]
 
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
@@ -28,6 +28,6 @@ jobs:
 
       - name: Run ontology QC checks
         env:
-          DEFAULT_BRANCH: main
+          DEFAULT_BRANCH: master
         run: cd src/ontology && make ROBOT_ENV='ROBOT_JAVA_ARGS=-Xmx6G' test IMP=false PAT=false
 
diff --git a/.gitignore b/.gitignore
index bed78eb..0978b2a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -43,3 +43,5 @@ src/_patterns
 src/_sparql
 .cogs
 pull-request.md
+omrse/catalog-v001.xml
+omrse/language/catalog-v001.xml
diff --git a/omrse/catalog-v001.xml b/omrse/catalog-v001.xml
deleted file mode 100644
index d6337c7..0000000
--- a/omrse/catalog-v001.xml
+++ /dev/null
@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<catalog prefer="public" xmlns="urn:oasis:names:tc:entity:xmlns:xml:catalog">
-    <group id="Folder Repository, directory=, recursive=true, Auto-Update=true, version=2" prefer="public" xml:base="">
-        <uri id="Automatically generated entry, Timestamp=1607724018363" name="http://purl.obolibrary.org/obo/omrse.owl/" uri="omrse.owl"/>
-        <uri id="Automatically generated entry, Timestamp=1607724018363" name="http://purl.obolibrary.org/obo/omrse/dev/language.owl/" uri="language/omrse-language.owl"/>
-        <uri id="Automatically generated entry, Timestamp=1607724018363" name="http://purl.obolibrary.org/obo/omrse/dev/omrse-core.owl" uri="omrse-core.owl"/>
-        <uri id="Automatically generated entry, Timestamp=1607724018363" name="http://purl.obolibrary.org/obo/omrse/language-individuals/" uri="language/language-individuals.owl"/>
-        <uri id="Automatically generated entry, Timestamp=1607724018363" name="http://purl.obolibrary.org/obo/omrse/omrse-education.owl/" uri="education/omrse-education.owl"/>
-    </group>
-</catalog>
diff --git a/omrse/language/catalog-v001.xml b/omrse/language/catalog-v001.xml
deleted file mode 100644
index aa5bede..0000000
--- a/omrse/language/catalog-v001.xml
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<catalog prefer="public" xmlns="urn:oasis:names:tc:entity:xmlns:xml:catalog">
-    <group id="Folder Repository, directory=, recursive=true, Auto-Update=true, version=2" prefer="public" xml:base="">
-        <uri id="Automatically generated entry, Timestamp=1610393208830" name="http://purl.obolibrary.org/obo/omrse/dev/language.owl/" uri="omrse-language.owl"/>
-        <uri id="Automatically generated entry, Timestamp=1610393208830" name="http://purl.obolibrary.org/obo/omrse/language-individuals/" uri="language-individuals.owl"/>
-    </group>
-</catalog>