diff --git a/src/Kodeine/Acl/Traits/HasPermission.php b/src/Kodeine/Acl/Traits/HasPermission.php
index c50664f..f1307e0 100644
--- a/src/Kodeine/Acl/Traits/HasPermission.php
+++ b/src/Kodeine/Acl/Traits/HasPermission.php
@@ -33,32 +33,41 @@ public function permissions()
      */
     public function getPermissions()
     {
-        // user permissions overridden from role.
+
         $permissions = \Cache::remember(
             'acl.getPermissionsById_'.$this->id,
             config('acl.cacheMinutes'),
             function () {
-                return $this->getPermissionsInherited();
-            }
-        );
+                $permissions = [];
+                // permissions based on role.
+                // more permissive permission wins
+                // if user has multiple roles we keep
+                // true values.
+                foreach ($this->roles as $role) {
+                    foreach ($role->getPermissions() as $slug => $array) {
+                        if ( array_key_exists($slug, $permissions) ) {
+                            foreach ($array as $clearance => $value) {
+                                ! $value ?: $permissions[$slug][$clearance] = true;
+                            }
+                        } else {
+                            $permissions = array_merge($permissions, [$slug => $array]);
+                        }
+                    }
+                }
 
-        // permissions based on role.
-        // more permissive permission wins
-        // if user has multiple roles we keep
-        // true values.
-        foreach ($this->roles as $role) {
-            foreach ($role->getPermissions() as $slug => $array) {
-                if ( array_key_exists($slug, $permissions) ) {
-                    foreach ($array as $clearance => $value) {
-                        if( !array_key_exists( $clearance, $permissions[$slug] ) ) {
-                            ! $value ?: $permissions[$slug][$clearance] = true;
+                // user permissions that override roles ones.
+                foreach ($this->getPermissionsInherited() as $slug => $array) {
+                    if ( array_key_exists($slug, $permissions) ) {
+                        foreach ($array as $clearance => $value) {
+                            $permissions[$slug][$clearance] = $value;
                         }
+                    } else {
+                        $permissions = array_merge($permissions, [$slug => $array]);
                     }
-                } else {
-                    $permissions = array_merge($permissions, [$slug => $array]);
                 }
+                return $permissions;
             }
-        }
+        );
 
         return $permissions;
     }
@@ -98,6 +107,8 @@ function () {
      */
     public function assignPermission($permission)
     {
+        $this->deletePermissionCache();
+
         return $this->mapArray($permission, function ($permission) {
 
             $permissionId = $this->parsePermissionId($permission);
@@ -120,6 +131,8 @@ public function assignPermission($permission)
      */
     public function revokePermission($permission)
     {
+        $this->deletePermissionCache();
+
         return $this->mapArray($permission, function ($permission) {
 
             $permissionId = $this->parsePermissionId($permission);
@@ -143,7 +156,7 @@ public function syncPermissions($permissions)
 
             return $sync;
         });
-
+        $this->deletePermissionCache();
         return $this->permissions()->sync($sync);
     }
 
@@ -154,6 +167,7 @@ public function syncPermissions($permissions)
      */
     public function revokeAllPermissions()
     {
+        $this->deletePermissionCache();
         return $this->permissions()->detach();
     }
 
@@ -165,6 +179,17 @@ public function revokeAllPermissions()
     */
 
 
+    /**
+     * Delete cache for this traits.
+     *
+     * @return null
+     */
+    protected function deletePermissionCache()
+    {
+        \Cache::forget('acl.getPermissionsById_'.$this->id);
+        \Cache::forget('acl.getMergeById_'.$this->id);
+    }
+
     /**
      * Parses permission id from object or array.
      *
diff --git a/src/Kodeine/Acl/Traits/HasRole.php b/src/Kodeine/Acl/Traits/HasRole.php
index 17dfbe1..3ada514 100644
--- a/src/Kodeine/Acl/Traits/HasRole.php
+++ b/src/Kodeine/Acl/Traits/HasRole.php
@@ -117,11 +117,14 @@ public function hasRole($slug, $operator = null)
      */
     public function assignRole($role)
     {
+        $this->deleteRoleCache();
+
         return $this->mapArray($role, function ($role) {
 
             $roleId = $this->parseRoleId($role);
 
             if ( ! $this->roles->keyBy('id')->has($roleId) ) {
+
                 $this->roles()->attach($roleId);
 
                 return $role;
@@ -139,6 +142,8 @@ public function assignRole($role)
      */
     public function revokeRole($role)
     {
+        $this->deleteRoleCache();
+
         return $this->mapArray($role, function ($role) {
 
             $roleId = $this->parseRoleId($role);
@@ -163,6 +168,8 @@ public function syncRoles($roles)
             return $sync;
         });
 
+        $this->deleteRoleCache();
+
         return $this->roles()->sync($sync);
     }
 
@@ -173,6 +180,8 @@ public function syncRoles($roles)
      */
     public function revokeAllRoles()
     {
+        $this->deleteRoleCache();
+
         return $this->roles()->detach();
     }
 
@@ -183,6 +192,16 @@ public function revokeAllRoles()
     |
     */
 
+    /**
+     * Delete cache for this traits.
+     *
+     * @return null
+     */
+    protected function deleteRoleCache()
+    {
+        \Cache::forget('acl.getRolesById_'.$this->id);
+    }
+
     /**
      * @param $slug
      * @param $roles