diff --git a/packages/SwingSet/src/vats/comms/clist-inbound.js b/packages/SwingSet/src/vats/comms/clist-inbound.js
index 4b41bc312c8..1d0b3c3a639 100644
--- a/packages/SwingSet/src/vats/comms/clist-inbound.js
+++ b/packages/SwingSet/src/vats/comms/clist-inbound.js
@@ -35,7 +35,6 @@ export function makeInbound(state) {
     insistRemoteType('promise', rpid);
     const remote = state.getRemote(remoteID);
     const lpid = remote.mapFromRemote(flipRemoteSlot(rpid));
-    remote.deleteToRemoteMapping(lpid);
     remote.enqueueRetirement(rpid);
     cdebug(`comms begin retiring ${remoteID} ${rpid} ${lpid}`);
   }
diff --git a/packages/SwingSet/src/vats/comms/remote.js b/packages/SwingSet/src/vats/comms/remote.js
index d0c46075119..9f681cfe1aa 100644
--- a/packages/SwingSet/src/vats/comms/remote.js
+++ b/packages/SwingSet/src/vats/comms/remote.js
@@ -67,10 +67,6 @@ export function makeRemote(state, store, remoteID) {
     state.decrementRefCount(lref, `{rref}|${remoteID}|clist`);
   }
 
-  function deleteToRemoteMapping(lref) {
-    store.delete(`${remoteID}.c.${lref}`);
-  }
-
   function nextSendSeqNum() {
     return Number(store.getRequired(`${remoteID}.sendSeq`));
   }
@@ -150,7 +146,6 @@ export function makeRemote(state, store, remoteID) {
     mapToRemote,
     addRemoteMapping,
     deleteRemoteMapping,
-    deleteToRemoteMapping,
     allocateRemoteObject,
     skipRemoteObjectID,
     allocateRemotePromise,
diff --git a/packages/SwingSet/test/test-comms.js b/packages/SwingSet/test/test-comms.js
index 9f4ead32fb8..cdcf986524d 100644
--- a/packages/SwingSet/test/test-comms.js
+++ b/packages/SwingSet/test/test-comms.js
@@ -426,12 +426,12 @@ test('retire result promise on inbound message', t => {
   _('k>r', [pResult, false, 42]);
   _('a<r', [paResult, false, 42]);
 
-  // Now the kernel c-list entries and the outbound remote c-list entry should
-  // be gone but the inbound remote c-list entry should still be there.  The
-  // result promise should also still be there, but be in a resolved state.
+  // Now the kernel c-list entries should be gone but the inbound/outbound
+  // remote c-list entries should still be there. The result promise should
+  // also still be there, but be in a resolved state.
   t.falsy(state.mapFromKernel(refOf(pResult)));
   t.falsy(state.mapToKernel(plResult));
-  t.falsy(remoteA.mapToRemote(plResult));
+  t.truthy(remoteA.mapToRemote(plResult));
   t.truthy(remoteA.mapFromRemote(refOf(paResult)));
   t.is(state.getPromiseStatus(plResult), 'fulfilled');
 
@@ -439,8 +439,8 @@ test('retire result promise on inbound message', t => {
   _('a>m', oaLarry, 'more', undefined);
   _('k<m', oLarry, 'more', undefined);
 
-  // And now the inbound remote c-list entry and the promise itself should be
-  // gone too.
+  // And now the remote c-list entries and the promise itself should be gone
+  t.falsy(remoteA.mapToRemote(plResult));
   t.falsy(remoteA.mapFromRemote(refOf(paResult)));
   t.is(state.getPromiseStatus(plResult), undefined);
 
@@ -555,16 +555,16 @@ test('retire outbound promises', t => {
   _('k>r', [pPromise1, false, [pPromise2]], [pPromise2, false, [pPromise1]]);
   _('a<r', [paPromise1, false, [paPromise2]], [paPromise2, false, [paPromise1]]);
 
-  // Now the kernel c-list entries and the outbound remote c-list entries should
-  // be gone but the inbound remote c-list entries should still be there
+  // Now the kernel c-list entries should be gone, but the inbound/outgoung
+  // remote c-list entries should still be there
   t.falsy(state.mapFromKernel(refOf(pPromise1)));
   t.falsy(state.mapToKernel(plPromise1));
-  t.falsy(remoteA.mapToRemote(plPromise1));
+  t.truthy(remoteA.mapToRemote(plPromise1));
   t.truthy(remoteA.mapFromRemote(refOf(paPromise1)));
 
   t.falsy(state.mapFromKernel(refOf(pPromise2)));
   t.falsy(state.mapToKernel(plPromise2));
-  t.falsy(remoteA.mapToRemote(plPromise2));
+  t.truthy(remoteA.mapToRemote(plPromise2));
   t.truthy(remoteA.mapFromRemote(refOf(paPromise2)));
 
   // Then the remote sends some traffic, which will contain an ack
@@ -572,7 +572,9 @@ test('retire outbound promises', t => {
   _('k<m', oLarry, 'more', undefined);
 
   // And now the inbound remote c-list entries should be gone too.
+  t.falsy(remoteA.mapToRemote(plPromise1));
   t.falsy(remoteA.mapFromRemote(refOf(paPromise1)));
+  t.falsy(remoteA.mapToRemote(plPromise2));
   t.falsy(remoteA.mapFromRemote(refOf(paPromise2)));
 
   done();