diff --git a/packages/timer/src/index.ts b/packages/timer/src/index.ts
index 8cfb7a5..dc2fd80 100644
--- a/packages/timer/src/index.ts
+++ b/packages/timer/src/index.ts
@@ -21,8 +21,7 @@ export function boot(ds: Ref) {
     spawn named 'timer/PeriodicTick' {
         at ds {
             during Observe({
-                "pattern": :pattern PeriodicTick(\Q.lit($intervalMS)),
-                "observer": _,
+                "pattern": :pattern PeriodicTick(\Q.lit($intervalMS))
             }) => spawn linked named (preserves`PeriodicTick(${intervalMS})`) {
                 const thisFacet = Turn.activeFacet;
                 thisFacet.preventInertCheck();
@@ -37,8 +36,7 @@ export function boot(ds: Ref) {
     spawn named 'timer/TimeLaterThan' {
         at ds {
             during Observe({
-                "pattern": :pattern TimeLaterThan(\Q.lit($deadlineMS)),
-                "observer": _,
+                "pattern": :pattern TimeLaterThan(\Q.lit($deadlineMS))
             }) => spawn linked named (preserves`TimeLaterThan(${deadlineMS})`) {
                 const thisFacet = Turn.activeFacet;
                 thisFacet.preventInertCheck();