diff --git a/Controller.php b/Controller.php
index ea674e4..b573a4f 100644
--- a/Controller.php
+++ b/Controller.php
@@ -51,7 +51,7 @@ class Controller extends ModuleAbstract implements WebInterface
      * @var string
      * @since 1.0.0
      */
-    const MODULE_PATH = __DIR__;
+    /* public */ const MODULE_PATH = __DIR__;
 
     /**
      * Module version.
@@ -59,7 +59,7 @@ class Controller extends ModuleAbstract implements WebInterface
      * @var string
      * @since 1.0.0
      */
-    const MODULE_VERSION = '1.0.0';
+    /* public */ const MODULE_VERSION = '1.0.0';
 
     /**
      * Module name.
@@ -67,7 +67,7 @@ class Controller extends ModuleAbstract implements WebInterface
      * @var string
      * @since 1.0.0
      */
-    const MODULE_NAME = 'Tasks';
+    /* public */ const MODULE_NAME = 'Tasks';
 
     /**
      * Providing.
diff --git a/Models/TaskPriority.php b/Models/TaskPriority.php
index 0a83962..6705708 100644
--- a/Models/TaskPriority.php
+++ b/Models/TaskPriority.php
@@ -30,13 +30,13 @@ use phpOMS\Datatypes\Enum;
  */
 abstract class TaskPriority extends Enum
 {
-    const VLOW = 1;
+    /* public */ const VLOW = 1;
 
-    const LOW = 2;
+    /* public */ const LOW = 2;
 
-    const MEDIUM = 3;
+    /* public */ const MEDIUM = 3;
 
-    const HIGH = 4;
+    /* public */ const HIGH = 4;
 
-    const VHIGH = 5;
+    /* public */ const VHIGH = 5;
 }
diff --git a/Models/TaskStatus.php b/Models/TaskStatus.php
index c4a068a..96ae99b 100644
--- a/Models/TaskStatus.php
+++ b/Models/TaskStatus.php
@@ -30,15 +30,15 @@ use phpOMS\Datatypes\Enum;
  */
 abstract class TaskStatus extends Enum
 {
-    const OPEN = 1;
+    /* public */ const OPEN = 1;
 
-    const WORKING = 2;
+    /* public */ const WORKING = 2;
 
-    const SUSPENDED = 3;
+    /* public */ const SUSPENDED = 3;
 
-    const CANCELED = 4;
+    /* public */ const CANCELED = 4;
 
-    const DONE = 5;
+    /* public */ const DONE = 5;
 
-    const CLOSED = 6;
+    /* public */ const CLOSED = 6;
 }
diff --git a/Models/TaskType.php b/Models/TaskType.php
index ff45271..f8bc34a 100644
--- a/Models/TaskType.php
+++ b/Models/TaskType.php
@@ -30,7 +30,7 @@ use phpOMS\Datatypes\Enum;
  */
 abstract class TaskType extends Enum
 {
-    const TEMPLATE = 1;
-    const SINGLE   = 2;
-    const HIDDEN   = 3;
+    /* public */ const TEMPLATE = 1;
+    /* public */ const SINGLE   = 2;
+    /* public */ const HIDDEN   = 3;
 }
diff --git a/Models/TaskVisibility.php b/Models/TaskVisibility.php
index 0f651a7..e9b8ae5 100644
--- a/Models/TaskVisibility.php
+++ b/Models/TaskVisibility.php
@@ -30,7 +30,7 @@ use phpOMS\Datatypes\Enum;
  */
 abstract class TaskVisibility extends Enum
 {
-    const TO  = 1;
-    const CC  = 2;
-    const BCC = 3;
+    /* public */ const TO  = 1;
+    /* public */ const CC  = 2;
+    /* public */ const BCC = 3;
 }