diff --git a/pkg/service/tenant.go b/pkg/service/tenant.go
index 200214c..c254ad1 100644
--- a/pkg/service/tenant.go
+++ b/pkg/service/tenant.go
@@ -52,26 +52,32 @@ func (s *tenantService) Update(ctx context.Context, req *v1.TenantUpdateRequest)
 
 func (s *tenantService) Delete(ctx context.Context, req *v1.TenantDeleteRequest) (*v1.TenantResponse, error) {
 	tenant := req.NewTenant()
-	tenantFilter := map[string]any{
+	tenantIsHostFilter := map[string]any{
 		"tenantmember ->> 'tenant_id'": tenant.Meta.Id,
 	}
-	memberFilter := map[string]any{
+	tenantIsMemberFilter := map[string]any{
 		"tenantmember ->> 'member_id'": tenant.Meta.Id,
 	}
-	tenantMemberships, _, err := s.tenantMemberStore.Find(ctx, tenantFilter, nil)
+	tenantIsHostMemberships, _, err := s.tenantMemberStore.Find(ctx, tenantIsHostFilter, nil)
 	if err != nil {
 		return nil, err
 	}
-	memberMemberships, _, err := s.tenantMemberStore.Find(ctx, memberFilter, nil)
+	tenantIsMemberMemberships, _, err := s.tenantMemberStore.Find(ctx, tenantIsMemberFilter, nil)
 	if err != nil {
 		return nil, err
 	}
-	var ids []string
-	for _, m := range tenantMemberships {
-		ids = append(ids, m.Meta.Id)
+
+	unionMap := make(map[string]bool)
+	for _, m := range tenantIsHostMemberships {
+		unionMap[m.Meta.Id] = true
+	}
+	for _, m := range tenantIsMemberMemberships {
+		unionMap[m.Meta.Id] = true
 	}
-	for _, m := range memberMemberships {
-		ids = append(ids, m.Meta.Id)
+
+	var ids []string
+	for k := range unionMap {
+		ids = append(ids, k)
 	}
 
 	if len(ids) > 0 {
diff --git a/pkg/service/tenant_test.go b/pkg/service/tenant_test.go
index d88addb..0240504 100644
--- a/pkg/service/tenant_test.go
+++ b/pkg/service/tenant_test.go
@@ -112,8 +112,25 @@ func TestDeleteTenant(t *testing.T) {
 	var paging *v1.Paging
 
 	storageMock.On("Delete", ctx, t3.Meta.Id).Return(nil)
-	memberStorageMock.On("Find", ctx, tfilter, paging).Return([]*v1.TenantMember{}, nil, nil)
-	memberStorageMock.On("Find", ctx, mfilter, paging).Return([]*v1.TenantMember{}, nil, nil)
+	memberStorageMock.On("Find", ctx, tfilter, paging).Return([]*v1.TenantMember{
+		{
+			Meta: &v1.Meta{
+				Id: "t3",
+			},
+			TenantId: t3.Meta.Id,
+			MemberId: t3.Meta.Id,
+		},
+	}, nil, nil)
+	memberStorageMock.On("Find", ctx, mfilter, paging).Return([]*v1.TenantMember{
+		{
+			Meta: &v1.Meta{
+				Id: "t3",
+			},
+			TenantId: t3.Meta.Id,
+			MemberId: t3.Meta.Id,
+		},
+	}, nil, nil)
+	memberStorageMock.On("DeleteAll", ctx, "t3").Return(nil)
 	resp, err := ts.Delete(ctx, tdr)
 	require.NoError(t, err)
 	assert.NotNil(t, resp)