diff --git a/backend/internal/session_manager/manager.go b/backend/internal/session_manager/manager.go
index 4bbe61d30..d389b29b0 100644
--- a/backend/internal/session_manager/manager.go
+++ b/backend/internal/session_manager/manager.go
@@ -1059,7 +1059,7 @@ func (m *Manager) sessionWorktreeRowsToRepoInfos(ctx context.Context, project do
 	for _, row := range rows {
 		repoPath := repoPaths[row.RepoName]
 		if repoPath == "" {
-			return nil, fmt.Errorf("repo %q is not registered for workspace project %s", row.RepoName, project.ID)
+			continue
 		}
 		out = append(out, ports.WorkspaceRepoInfo{
 			RepoName:     row.RepoName,
diff --git a/backend/internal/session_manager/manager_test.go b/backend/internal/session_manager/manager_test.go
index 3648fea92..e205bd71f 100644
--- a/backend/internal/session_manager/manager_test.go
+++ b/backend/internal/session_manager/manager_test.go
@@ -1034,11 +1034,9 @@ func TestCleanup_WorkspaceProjectMarksRetryRemoveAfterTeardownFailure(t *testing
 	}
 }
 
-func TestCleanup_WorkspaceProjectRetryRemoveKeepsPreservedRef(t *testing.T) {
+func TestCleanup_WorkspaceProjectDirtyRowsAreSkipped(t *testing.T) {
 	m, st, _, ws := newManager()
 	ws.destroyErr = fmt.Errorf("dirty: %w", ports.ErrWorkspaceDirty)
-	ws.forceDestroyErr = errors.New("still locked")
-	ws.stashRef = "refs/ao/preserved/mer-1"
 	st.projects["mer"] = domain.ProjectRecord{ID: "mer", Path: "/repo/mer", Kind: domain.ProjectKindWorkspace, Config: testRoleAgents()}
 	st.workspaceRepo["mer"] = []domain.WorkspaceRepoRecord{{Name: "api", RelativePath: "api"}}
 	seedTerminal(st, "mer-1", domain.SessionMetadata{WorkspacePath: "/ws/mer-1", Branch: "ao/mer-1"})
@@ -1060,8 +1058,8 @@ func TestCleanup_WorkspaceProjectRetryRemoveKeepsPreservedRef(t *testing.T) {
 		refs[row.RepoName] = row.PreservedRef
 		states[row.RepoName] = row.State
 	}
-	if states["api"] != "retry_remove" || refs["api"] != "refs/ao/preserved/mer-1/api" {
-		t.Fatalf("api state/ref = %q/%q, want retry_remove with preserved ref", states["api"], refs["api"])
+	if states["api"] != "" || refs["api"] != "" {
+		t.Fatalf("api state/ref = %q/%q, want unchanged dirty row", states["api"], refs["api"])
 	}
 }