diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 07d5545e2e..30136f56fb 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,5 +1,8 @@
 name: build
 
+env:
+  DUNE_CONFIG__BACKGROUND_DIGESTS: disabled
+
 on:
   pull_request:
   push:
diff --git a/dune-workspace b/dune-workspace
deleted file mode 100644
index aa57780bad..0000000000
--- a/dune-workspace
+++ /dev/null
@@ -1,6 +0,0 @@
-(lang dune 3.7)
-
-(env
- (_
-  (env-vars
-   (DUNE_CONFIG__BACKGROUND_DIGESTS disabled))))