diff --git a/rpc-pool.go b/rpc-pool.go
index 6a509b1..a7c1b24 100644
--- a/rpc-pool.go
+++ b/rpc-pool.go
@@ -126,6 +126,12 @@ func (p *RemoteGrainPool) findOrCreateGrain(id CartId) *RemoteGrain {
 	return grain
 }
 
+func (p *RemoteGrainPool) Delete(id CartId) {
+	p.mu.Lock()
+	delete(p.grains, id)
+	p.mu.Unlock()
+}
+
 func (p *RemoteGrainPool) Process(id CartId, messages ...Message) ([]byte, error) {
 	var result []byte
 	var err error
diff --git a/synced-pool.go b/synced-pool.go
index faeea64..7e46500 100644
--- a/synced-pool.go
+++ b/synced-pool.go
@@ -228,6 +228,7 @@ func (p *SyncedPool) RemoveHostMappedCarts(host *RemoteHost) {
 	defer p.mu.Unlock()
 	for id, r := range p.remoteIndex {
 		if r == host.Pool {
+			p.remoteIndex[id].Delete(id)
 			delete(p.remoteIndex, id)
 		}
 	}
@@ -376,6 +377,7 @@ func (p *SyncedPool) getGrainPool(id CartId) (GrainPool, error) {
 		p.mu.RUnlock()
 		if ok {
 			if remotePool == nil {
+				p.remoteIndex[id].Delete(id)
 				p.mu.Lock()
 				delete(p.remoteIndex, id)
 				p.mu.Unlock()