diff --git a/cmd/mesh-controller/checks_stop_integration_test.go b/cmd/mesh-controller/checks_stop_integration_test.go
index d6f32d1d..0ed5b21a 100644
--- a/cmd/mesh-controller/checks_stop_integration_test.go
+++ b/cmd/mesh-controller/checks_stop_integration_test.go
@@ -33,6 +33,12 @@ func TestThePullRequestChecksAreAskedOnlyForARepositoryTheCheckerDoesNotJudge(t
 		inventory.Source{Repository: "novox/mesh-controller", Ref: "main", BuiltFrom: "c0", Head: "c0"}); err != nil {
 		t.Fatal(err)
 	}
+	// hq is cloned as a module built from it is, from its URL: no forge is held in this test.
+	if err := open.inventory.RegisterModule(ctx, catalogue.Manifest{Module: "hq-docs", Version: "1"},
+		inventory.Source{Repository: "http://forge.invalid/novox/hq.git", Ref: "main", Path: "docs", BuiltFrom: "c0",
+			Head: "c0"}); err != nil {
+		t.Fatal(err)
+	}
 	required := map[string][]string{"novox/mesh-controller": {"mesh/check"}, "novox/hq": {"mesh/repo-check"}}
 	was := requiredStatusesOf
 	requiredStatusesOf = func(_ context.Context, owner, repo, _ string) ([]string, error) {
diff --git a/cmd/mesh-controller/main.go b/cmd/mesh-controller/main.go
index 0b506f2a..1bc06227 100644
--- a/cmd/mesh-controller/main.go
+++ b/cmd/mesh-controller/main.go
@@ -495,5 +495,11 @@ func removedByName(command string) error {
 		"forget-checks": "build-agent makes no check build from R4e (ADR 0503 §3), so there is nothing to let go of",
 		"delivery-plan": "a delivery's plan is read with `delivery-order` and the checker's verdict (ADR 0503 §3)",
 	}[command]
-	return fmt.Errorf("`%s` is removed: %s", command, replacement)
+	return &removedCommand{msg: fmt.Sprintf("`%s` is removed: %s", command, replacement)}
 }
+
+// removedCommand is a command or verb the controller no longer has: a refusal that is the verb's whole answer, not a
+// verb of a newer build this one cannot run.
+type removedCommand struct{ msg string }
+
+func (r *removedCommand) Error() string { return r.msg }
diff --git a/cmd/mesh-controller/pending.go b/cmd/mesh-controller/pending.go
index 724a6b1a..0a48d957 100644
--- a/cmd/mesh-controller/pending.go
+++ b/cmd/mesh-controller/pending.go
@@ -241,7 +241,7 @@ func notRegistered(ctx context.Context, open *stores, node, module string, opts
 			"at the controller's terminal, and the indexer holds no %s", inventory.ErrNoSuchModule, where.said, module)
 	}
 	answer := strings.TrimPrefix(where.said, inventory.ErrNoSuchModule.Error()) +
-		"\n  a module in a repository is registered from the builder's done key once a merge adds it, then assigned"
+		"\n  a module in a repository is registered from the builder's done key of it, then assigned"
 	if opts.Build {
 		answer += "\n  build \"true\" asks for nothing: the controller asks no build (ADR 0501 §5), and the indexer " +
 			"holds no module of that name"
diff --git a/cmd/mesh-controller/replay867_test.go b/cmd/mesh-controller/replay867_test.go
index a8316cee..1918e261 100644
--- a/cmd/mesh-controller/replay867_test.go
+++ b/cmd/mesh-controller/replay867_test.go
@@ -323,44 +323,3 @@ exit 1
 	t.Setenv("PATH", dir+string(os.PathListSeparator)+os.Getenv("PATH"))
 	t.Setenv("GOTOOLCHAIN", "local")
 }
-
-// A recheck runs as a command of its own (`delivery check` with one member), where the controller is not the serving
-// one and holds no connection: it dials the bus for the moment and asks mesh-delivery's `groups` as the daemon does.
-// This drives the verb on a test bus with a fake mesh-delivery answering `groups`, with no stub of the seam between.
-func TestTheRecheckVerbAsksMeshDeliveryOnABusOfItsOwn(t *testing.T) {
-	realAsk := askDeliveryOwner
-	r := theGroupOfIssue867(t)
-	askDeliveryOwner = realAsk
-	js, _ := aBuildQueue(t)
-	if servingBus.Load() != nil {
-		t.Fatal("this test is of a process that is not the serving controller")
-	}
-	asked := 0
-	wrapped, _ := json.Marshal(map[string]any{"content": []map[string]any{{"type": "text", "text": r.groups}}})
-	sub, err := js.Conn().Subscribe(link.SeatToolSubject(catalogue.DeliverySeat, "groups"), func(m *nats.Msg) {
-		asked++
-		body, _ := json.Marshal(link.Answer{Result: wrapped})
-		_ = m.Respond(body)
-	})
-	if err != nil {
-		t.Fatal(err)
-	}
-	t.Cleanup(func() { _ = sub.Unsubscribe() })
-	member := `[{"id":"novox/mesh-host@` + r.hostHead[:12] + `","repository":"novox/mesh-host","base":"main","head":"` +
-		r.hostHead + `","number":114,"paths":["notes.txt"],"module_dirs_said":true}]`
-	if err := deliveryCommand(t.Context(), []string{"check", "--members", member}); err != nil {
-		t.Fatal(err)
-	}
-	q, err := link.ReadQueue(t.Context(), js, link.TheBuildMachine)
-	if err != nil || len(q.Asks) == 0 {
-		t.Fatalf("nothing was asked of the build seat: %v", err)
-	}
-	c := q.Asks[len(q.Asks)-1].Request.Check
-	if c.SiblingsUnknown != "" || len(c.Siblings) != 1 || c.Siblings[0].Repository != "novox/mesh-controller" ||
-		c.Siblings[0].Number != 346 || c.Siblings[0].Head != r.controllerHead {
-		t.Fatalf("the recheck learned siblings %+v, unknown %q", c.Siblings, c.SiblingsUnknown)
-	}
-	if asked != 1 {
-		t.Fatalf("mesh-delivery was asked %d times", asked)
-	}
-}
diff --git a/cmd/mesh-controller/seatverbs.go b/cmd/mesh-controller/seatverbs.go
index b27187f3..737c89ec 100644
--- a/cmd/mesh-controller/seatverbs.go
+++ b/cmd/mesh-controller/seatverbs.go
@@ -1325,7 +1325,8 @@ func seatToolHandlers() (map[string]link.ToolHandler, []string, error) {
 			continue
 		}
 		var policy *heldAtTheTerminal
-		if _, err := argvFor(verb, sampleArguments(v)); err != nil && !errors.As(err, &policy) {
+		var removed *removedCommand
+		if _, err := argvFor(verb, sampleArguments(v)); err != nil && !errors.As(err, &policy) && !errors.As(err, &removed) {
 			// **A row ahead of this binary is not a reason to go silent.**
 			//
 			// The row is the store's and a control plane follows it (novox/hq ADR 0154), so a verb
diff --git a/cmd/mesh-controller/seatverbs_schema_integration_test.go b/cmd/mesh-controller/seatverbs_schema_integration_test.go
index c955119d..10ac2c9f 100644
--- a/cmd/mesh-controller/seatverbs_schema_integration_test.go
+++ b/cmd/mesh-controller/seatverbs_schema_integration_test.go
@@ -38,7 +38,7 @@ func servedSchemas(t *testing.T) map[string]catalogue.Verb {
 
 func TestNoArgumentAVerbIsGivenIsPassedOver(t *testing.T) {
 	for name, v := range servedSchemas(t) {
-		if inProcess[name] {
+		if inProcess[name] || removedVerbs[name] {
 			continue
 		}
 		names, switches := declaredArguments(v)
@@ -78,7 +78,7 @@ func TestAnArgumentAVerbDoesNotDeclareIsRefused(t *testing.T) {
 			args := sampleArguments(v)
 			args[stranger] = "x"
 			_, err := argvFor(name, args)
-			if inProcess[name] {
+			if inProcess[name] || removedVerbs[name] {
 				_, err = readArguments(name, args)
 			}
 			if err == nil || !strings.Contains(err.Error(), strconv.Quote(stranger)) {
@@ -105,7 +105,7 @@ func TestEveryFlagOfAVerbsCommandIsAnArgumentOrAccountedFor(t *testing.T) {
 	reached := map[string]map[string]bool{} // verb → flag sets its command lines reach
 	served := servedSchemas(t)
 	for name, v := range served {
-		if inProcess[name] || name == "command" {
+		if inProcess[name] || removedVerbs[name] || name == "command" {
 			continue
 		}
 		names, switches := declaredArguments(v)
diff --git a/cmd/mesh-controller/seatverbs_schema_test.go b/cmd/mesh-controller/seatverbs_schema_test.go
index a14f1041..0aed1a96 100644
--- a/cmd/mesh-controller/seatverbs_schema_test.go
+++ b/cmd/mesh-controller/seatverbs_schema_test.go
@@ -177,11 +177,8 @@ var accountedFlags = map[string]map[string]string{
 		"all": "withheld: the verb naming no machine is --behind, and a push of every machine is said at a " +
 			"shell (novox/hq ADR 0217); `command` reaches it",
 	},
-	"build": {
-		"wait":    "set by the verb to 0: the id follows the build (issue 176)",
-		"self":    "set by the verb from the repository's form: a path on the forge, or a URL",
-		"dry-run": "withheld: a dry run answers only when the build ends, which a call cannot wait for; `command` reaches it",
-	},
+	// Kept only to be refused by name, naming what replaced it (novox/hq ADR 0501 §5, ADR 0429 §18).
+	"replay": {"register": "withheld: refused by name, a registered replay being removed (ADR 0501 §5)"},
 	"builds": {"n": "=limit"},
 	"plans":  {"n": "=limit", "what-if": "=repository"},
 	// The machine's tunnel key, named as the verb's other arguments are (novox/hq ADR 0169).
diff --git a/internal/inventory/seats_test.go b/internal/inventory/seats_test.go
index c300e97c..fb6cb9c7 100644
--- a/internal/inventory/seats_test.go
+++ b/internal/inventory/seats_test.go
@@ -230,48 +230,3 @@ func TestASeatsVerbGainsTheArgumentsTheBinaryNames(t *testing.T) {
 		}
 	}
 }
-
-// **A stored row's build verb takes on and behind** (novox/hq ADR 0246: arguments added to a verb are
-// additive): a row seeded before them described build with a repository it required, so the console
-// would refuse both and a call naming neither would be refused for want of a repository. Re-seeding
-// gives the row this binary's build.
-func TestAStoredRowsBuildVerbTakesOnAndBehind(t *testing.T) {
-	inv := ForTest(t)
-	ctx := t.Context()
-	if _, err := inv.SeedSeats(ctx, catalogue.DefaultSeats()); err != nil {
-		t.Fatal(err)
-	}
-	old := `[{"name":"build","description":"Have the build machine build a repository.","input":{"type":"object",
-	          "properties":{"repository":{"type":"string"},"path":{"type":"string"},"ref":{"type":"string"}},
-	          "required":["repository"]}}]`
-	if _, err := inv.store.Pool().Exec(ctx, `update seat set serves = $1 where name = $2`,
-		[]byte(old), catalogue.ControllerSeatName); err != nil {
-		t.Fatal(err)
-	}
-	if _, err := inv.SeedSeats(ctx, catalogue.DefaultSeats()); err != nil {
-		t.Fatal(err)
-	}
-	seats, err := inv.Seats(ctx)
-	if err != nil {
-		t.Fatal(err)
-	}
-	var build catalogue.Verb
-	for _, s := range seats {
-		if s.Name == catalogue.ControllerSeatName {
-			for _, v := range s.Serves {
-				if v.Name == "build" {
-					build = v
-				}
-			}
-		}
-	}
-	props, _ := build.Input["properties"].(map[string]any)
-	for _, arg := range []string{"repository", "path", "ref", "on", "behind"} {
-		if _, has := props[arg]; !has {
-			t.Errorf("build in the row does not take %s: %v", arg, props)
-		}
-	}
-	if req, _ := build.Input["required"].([]any); len(req) != 0 {
-		t.Errorf("build in the row still requires %v, so on and behind alone are refused", req)
-	}
-}