diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 8a212e6..3ee49ca 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -7,6 +7,10 @@ on:
     branches: [ main ]
   workflow_dispatch:
 
+env:
+  MYPYPATH: /tmp/abjad
+  PYTHONUNBUFFERED: TRUE
+
 jobs:
   build:
 
@@ -40,10 +44,8 @@ jobs:
 
     - name: Write environment variables
       run: |
-        echo "MYPYPATH=$MYPYPATH:/tmp/abjad" >> $GITHUB_ENV
         PATH="/tmp/lilypond-${{ matrix.lilypond-version }}/bin:home/runner/bin:$PATH"
         echo "PATH=$PATH" >> $GITHUB_ENV
-        echo "PYTHONUNBUFFERED=TRUE" >> $GITHUB_ENV
 
     - name: Log environment variables
       run: |
@@ -69,7 +71,7 @@ jobs:
         git clone -b trevor/dev https://github.com/Abjad/abjad.git /tmp/abjad
         python -m pip install /tmp/abjad[dev]
 
-    - name: Install rmakers
+    - name: Install this package
       run: |
         # Namespace packages require -e installation;
         # remove -e after rmakers is changed back to a vanilla package