diff --git a/compiler/lineinfos.nim b/compiler/lineinfos.nim
index db0569fdaa..a0b1d19654 100644
--- a/compiler/lineinfos.nim
+++ b/compiler/lineinfos.nim
@@ -214,7 +214,7 @@ type
   TNoteKinds* = set[TNoteKind]
 
 proc computeNotesVerbosity(): array[0..3, TNoteKinds] =
-  result[3] = {low(TNoteKind)..high(TNoteKind)} - {}
+  result[3] = {low(TNoteKind)..high(TNoteKind)} - {warnObservableStores}
   result[2] = result[3] - {hintStackTrace, warnUninit, hintExtendedContext}
   result[1] = result[2] - {warnProveField, warnProveIndex,
     warnGcUnsafe, hintPath, hintDependency, hintCodeBegin, hintCodeEnd,