diff --git a/Gopkg.lock b/Gopkg.lock
index 4488ed197..f3dc4f95c 100644
--- a/Gopkg.lock
+++ b/Gopkg.lock
@@ -296,15 +296,6 @@
   revision = "30b4db38fcaf4bf35a545d95c655622b05d8ac35"
   version = "v0.3.0"
 
-[[projects]]
-  name = "github.com/ory/hydra"
-  packages = [
-    "pkg",
-    "rand/sequence"
-  ]
-  revision = "93dcbcf3b9e0726c03b45b7e74ec9ca4c89eab03"
-  version = "v1.0.0-beta.8"
-
 [[projects]]
   name = "github.com/ory/ladon"
   packages = [
diff --git a/policy/handler.go b/policy/handler.go
index f143b04b7..8c78c68dd 100644
--- a/policy/handler.go
+++ b/policy/handler.go
@@ -26,7 +26,6 @@ import (
 
 	"github.com/julienschmidt/httprouter"
 	"github.com/ory/herodot"
-	"github.com/ory/hydra/pkg"
 	"github.com/ory/ladon"
 	"github.com/ory/pagination"
 	"github.com/pborman/uuid"
@@ -143,7 +142,7 @@ func (h *Handler) Get(w http.ResponseWriter, r *http.Request, ps httprouter.Para
 	policy, err := h.Manager.Get(ps.ByName("id"))
 	if err != nil {
 		if err.Error() == "Not found" {
-			h.H.WriteError(w, r, errors.WithStack(pkg.ErrNotFound))
+			h.H.WriteError(w, r, errors.WithStack(&herodot.ErrorNotFound))
 			return
 		}
 		h.H.WriteError(w, r, errors.WithStack(err))
diff --git a/role/manager_memory.go b/role/manager_memory.go
index 8f50c8624..6d0901f72 100644
--- a/role/manager_memory.go
+++ b/role/manager_memory.go
@@ -23,7 +23,7 @@ package role
 import (
 	"sync"
 
-	"github.com/ory/hydra/pkg"
+	"github.com/ory/herodot"
 	"github.com/ory/pagination"
 	"github.com/pborman/uuid"
 	"github.com/pkg/errors"
@@ -54,7 +54,7 @@ func (m *MemoryManager) CreateRole(r *Role) error {
 
 func (m *MemoryManager) GetRole(id string) (*Role, error) {
 	if r, ok := m.Roles[id]; !ok {
-		return nil, errors.WithStack(pkg.ErrNotFound)
+		return nil, errors.WithStack(&herodot.ErrorNotFound)
 	} else {
 		return &r, nil
 	}
diff --git a/role/manager_sql.go b/role/manager_sql.go
index be643bb08..0051c25e5 100644
--- a/role/manager_sql.go
+++ b/role/manager_sql.go
@@ -26,7 +26,7 @@ import (
 	"fmt"
 
 	"github.com/jmoiron/sqlx"
-	"github.com/ory/hydra/pkg"
+	"github.com/ory/herodot"
 	"github.com/pborman/uuid"
 	"github.com/pkg/errors"
 	"github.com/rubenv/sql-migrate"
@@ -102,7 +102,7 @@ func (m *SQLManager) GetRole(id string) (*Role, error) {
 
 	var q []string
 	if err := m.DB.Select(&q, m.DB.Rebind(fmt.Sprintf("SELECT member from %s WHERE role_id = ?", m.TableMember)), found); err == sql.ErrNoRows {
-		return nil, errors.WithStack(pkg.ErrNotFound)
+		return nil, errors.WithStack(&herodot.ErrorNotFound)
 	} else if err != nil {
 		return nil, errors.WithStack(err)
 	}
@@ -164,7 +164,7 @@ func (m *SQLManager) RemoveRoleMembers(role string, subjects []string) error {
 func (m *SQLManager) FindRolesByMember(member string, limit, offset int) ([]Role, error) {
 	var ids []string
 	if err := m.DB.Select(&ids, m.DB.Rebind(fmt.Sprintf("SELECT role_id from %s WHERE member = ? GROUP BY role_id ORDER BY role_id LIMIT ? OFFSET ?", m.TableMember)), member, limit, offset); err == sql.ErrNoRows {
-		return nil, errors.WithStack(pkg.ErrNotFound)
+		return nil, errors.WithStack(&herodot.ErrorNotFound)
 	} else if err != nil {
 		return nil, errors.WithStack(err)
 	}
@@ -185,7 +185,7 @@ func (m *SQLManager) FindRolesByMember(member string, limit, offset int) ([]Role
 func (m *SQLManager) ListRoles(limit, offset int) ([]Role, error) {
 	var ids []string
 	if err := m.DB.Select(&ids, m.DB.Rebind(fmt.Sprintf("SELECT id from %s LIMIT ? OFFSET ?", m.TableRole)), limit, offset); err == sql.ErrNoRows {
-		return nil, errors.WithStack(pkg.ErrNotFound)
+		return nil, errors.WithStack(&herodot.ErrorNotFound)
 	} else if err != nil {
 		return nil, errors.WithStack(err)
 	}