diff --git a/d2ast/d2ast.go b/d2ast/d2ast.go
index 2ffb448f1..d824ef367 100644
--- a/d2ast/d2ast.go
+++ b/d2ast/d2ast.go
@@ -1,3 +1,5 @@
+// TODO: Remove boxes and cleanup like d2ir
+//
 // d2ast implements the d2 language's abstract syntax tree.
 //
 // Special characters to think about in parser:
diff --git a/lib/env/env.go b/lib/env/env.go
index eee0ddc65..07ba22eef 100644
--- a/lib/env/env.go
+++ b/lib/env/env.go
@@ -23,5 +23,5 @@ func DevOnly() bool {
 }
 
 func SkipGraphDiffTests() bool {
-	return os.Getenv("SKIP_GRAPH_DIFF_TESTS") == "on"
+	return os.Getenv("SKIP_GRAPH_DIFF_TESTS") != ""
 }