diff --git a/cue/instance.go b/cue/instance.go
index 956e011..d5b43f3 100644
--- a/cue/instance.go
+++ b/cue/instance.go
@@ -285,9 +285,7 @@
 
 // Merge unifies the given instances into a single one.
 //
-// Errors regarding conflicts are included in the result, but not reported, so
-// that these will only surface during manifestation. This allows
-// non-conflicting parts to be used.
+// Deprecated: do not use.
 func Merge(inst ...*Instance) *Instance {
 	v := &adt.Vertex{}