diff --git a/application/cmdbabstract.class.inc.php b/application/cmdbabstract.class.inc.php
index d0aaebcb0..7f1f0d374 100644
--- a/application/cmdbabstract.class.inc.php
+++ b/application/cmdbabstract.class.inc.php
@@ -26,7 +26,7 @@ use Combodo\iTop\Application\UI\Component\Form\Form;
 use Combodo\iTop\Application\UI\Component\Input\InputFactory;
 use Combodo\iTop\Application\UI\Component\Title\TitleFactory;
 use Combodo\iTop\Application\UI\Component\Toolbar\Toolbar;
-use Combodo\iTop\Application\UI\Layout\Column\Column;
+use Combodo\iTop\Application\UI\Layout\MultiColumn\Column\Column;
 use Combodo\iTop\Application\UI\Layout\MultiColumn\MultiColumn;
 use Combodo\iTop\Application\UI\Layout\UIContentBlock;
 
diff --git a/css/backoffice/layout/_all.scss b/css/backoffice/layout/_all.scss
index c866387f8..efdaa4aff 100644
--- a/css/backoffice/layout/_all.scss
+++ b/css/backoffice/layout/_all.scss
@@ -19,10 +19,10 @@
 @import "navigation-menu";
 @import "top-bar";
 @import "content";
+@import "multi-column/multi-column";
+@import "multi-column/column";
 @import "activity-panel/activity-panel";
 @import "activity-panel/activity-entry";
 @import "activity-panel/caselog-entry";
 @import "activity-panel/edits-entry";
 @import "activity-panel/transition-entry";
-@import "multicolumn";
-@import "column";
\ No newline at end of file
diff --git a/css/backoffice/layout/_column.scss b/css/backoffice/layout/multi-column/_column.scss
similarity index 100%
rename from css/backoffice/layout/_column.scss
rename to css/backoffice/layout/multi-column/_column.scss
diff --git a/css/backoffice/layout/_multicolumn.scss b/css/backoffice/layout/multi-column/_multi-column.scss
similarity index 100%
rename from css/backoffice/layout/_multicolumn.scss
rename to css/backoffice/layout/multi-column/_multi-column.scss
diff --git a/lib/composer/autoload_classmap.php b/lib/composer/autoload_classmap.php
index e81ad9ac8..28f435050 100644
--- a/lib/composer/autoload_classmap.php
+++ b/lib/composer/autoload_classmap.php
@@ -199,7 +199,7 @@ return array(
     'Combodo\\iTop\\Application\\UI\\Layout\\ActivityPanel\\ActivityEntry\\TransitionEntry' => $baseDir . '/sources/application/UI/Layout/ActivityPanel/ActivityEntry/TransitionEntry.php',
     'Combodo\\iTop\\Application\\UI\\Layout\\ActivityPanel\\ActivityPanel' => $baseDir . '/sources/application/UI/Layout/ActivityPanel/ActivityPanel.php',
     'Combodo\\iTop\\Application\\UI\\Layout\\ActivityPanel\\ActivityPanelFactory' => $baseDir . '/sources/application/UI/Layout/ActivityPanel/ActivityPanelFactory.php',
-    'Combodo\\iTop\\Application\\UI\\Layout\\Column\\Column' => $baseDir . '/sources/application/UI/Layout/Column/Column.php',
+    'Combodo\\iTop\\Application\\UI\\Layout\\MultiColumn\\Column\\Column' => $baseDir . '/sources/application/UI/Layout/MultiColumn/Column/Column.php',
     'Combodo\\iTop\\Application\\UI\\Layout\\MultiColumn\\MultiColumn' => $baseDir . '/sources/application/UI/Layout/MultiColumn/MultiColumn.php',
     'Combodo\\iTop\\Application\\UI\\Layout\\NavigationMenu\\NavigationMenu' => $baseDir . '/sources/application/UI/Layout/NavigationMenu/NavigationMenu.php',
     'Combodo\\iTop\\Application\\UI\\Layout\\NavigationMenu\\NavigationMenuFactory' => $baseDir . '/sources/application/UI/Layout/NavigationMenu/NavigationMenuFactory.php',
diff --git a/lib/composer/autoload_static.php b/lib/composer/autoload_static.php
index 0cc81c48d..fbad5620a 100644
--- a/lib/composer/autoload_static.php
+++ b/lib/composer/autoload_static.php
@@ -429,7 +429,7 @@ class ComposerStaticInit0018331147de7601e7552f7da8e3bb8b
         'Combodo\\iTop\\Application\\UI\\Layout\\ActivityPanel\\ActivityEntry\\TransitionEntry' => __DIR__ . '/../..' . '/sources/application/UI/Layout/ActivityPanel/ActivityEntry/TransitionEntry.php',
         'Combodo\\iTop\\Application\\UI\\Layout\\ActivityPanel\\ActivityPanel' => __DIR__ . '/../..' . '/sources/application/UI/Layout/ActivityPanel/ActivityPanel.php',
         'Combodo\\iTop\\Application\\UI\\Layout\\ActivityPanel\\ActivityPanelFactory' => __DIR__ . '/../..' . '/sources/application/UI/Layout/ActivityPanel/ActivityPanelFactory.php',
-        'Combodo\\iTop\\Application\\UI\\Layout\\Column\\Column' => __DIR__ . '/../..' . '/sources/application/UI/Layout/Column/Column.php',
+        'Combodo\\iTop\\Application\\UI\\Layout\\MultiColumn\\Column\\Column' => __DIR__ . '/../..' . '/sources/application/UI/Layout/MultiColumn/Column/Column.php',
         'Combodo\\iTop\\Application\\UI\\Layout\\MultiColumn\\MultiColumn' => __DIR__ . '/../..' . '/sources/application/UI/Layout/MultiColumn/MultiColumn.php',
         'Combodo\\iTop\\Application\\UI\\Layout\\NavigationMenu\\NavigationMenu' => __DIR__ . '/../..' . '/sources/application/UI/Layout/NavigationMenu/NavigationMenu.php',
         'Combodo\\iTop\\Application\\UI\\Layout\\NavigationMenu\\NavigationMenuFactory' => __DIR__ . '/../..' . '/sources/application/UI/Layout/NavigationMenu/NavigationMenuFactory.php',
diff --git a/sources/application/UI/Layout/Column/Column.php b/sources/application/UI/Layout/MultiColumn/Column/Column.php
similarity index 56%
rename from sources/application/UI/Layout/Column/Column.php
rename to sources/application/UI/Layout/MultiColumn/Column/Column.php
index 2cb4509e7..48a0f1306 100644
--- a/sources/application/UI/Layout/Column/Column.php
+++ b/sources/application/UI/Layout/MultiColumn/Column/Column.php
@@ -4,7 +4,7 @@
  * @license     http://opensource.org/licenses/AGPL-3.0
  */
 
-namespace Combodo\iTop\Application\UI\Layout\Column;
+namespace Combodo\iTop\Application\UI\Layout\MultiColumn\Column;
 
 
 use Combodo\iTop\Application\UI\Layout\UIContentBlock;
@@ -12,11 +12,11 @@ use Combodo\iTop\Application\UI\Layout\UIContentBlock;
 /**
  * Class Column
  *
- * @package Combodo\iTop\Application\UI\Layout\Column
+ * @package Combodo\iTop\Application\UI\Layout\MultiColumn\Column
+ * @internal
+ * @since 2.8.0
  */
-class Column extends UIContentBlock
-{
+class Column extends UIContentBlock {
 	// Overloaded constants
 	public const BLOCK_CODE = 'ibo-column';
-	public const HTML_TEMPLATE_REL_PATH = 'layouts/column/layout';
 }
\ No newline at end of file
diff --git a/sources/application/UI/Layout/MultiColumn/MultiColumn.php b/sources/application/UI/Layout/MultiColumn/MultiColumn.php
index fb3d29044..5ca63a757 100644
--- a/sources/application/UI/Layout/MultiColumn/MultiColumn.php
+++ b/sources/application/UI/Layout/MultiColumn/MultiColumn.php
@@ -7,37 +7,63 @@
 namespace Combodo\iTop\Application\UI\Layout\MultiColumn;
 
 
-use Combodo\iTop\Application\UI\Layout\Column\Column;
+use Combodo\iTop\Application\UI\Layout\MultiColumn\Column\Column;
 use Combodo\iTop\Application\UI\UIBlock;
 
 /**
  * Class MultiColumn
  *
  * @package Combodo\iTop\Application\UI\Layout\MultiColumn
+ * @internal
+ * @since   2.8.0
  */
-class MultiColumn extends UIBlock
-{
+class MultiColumn extends UIBlock {
 	// Overloaded constants
 	public const BLOCK_CODE = 'ibo-multicolumn';
 	public const HTML_TEMPLATE_REL_PATH = 'layouts/multicolumn/layout';
 
-	/** @var array */
+	/** @var \Combodo\iTop\Application\UI\Layout\MultiColumn\Column\Column[] */
 	protected $aColumns;
 
-	public function __construct(?string $sId = null)
-	{
+	/**
+	 * @inheritDoc
+	 */
+	public function __construct(?string $sId = null) {
 		parent::__construct($sId);
 		$this->aColumns = [];
 	}
 
-	public function AddColumn(Column $oColumn): self
-	{
+	/**
+	 * @param \Combodo\iTop\Application\UI\Layout\MultiColumn\Column\Column $oColumn
+	 *
+	 * @return $this
+	 */
+	public function AddColumn(Column $oColumn) {
 		$this->aColumns[] = $oColumn;
+
 		return $this;
 	}
 
-	public function GetSubBlocks()
-	{
+	/**
+	 * Remove the column of $iIndex index.
+	 * Note that if the column does not exists, it proceeds silently.
+	 *
+	 * @param int $iIndex
+	 *
+	 * @return $this
+	 */
+	public function RemoveColumn(int $iIndex) {
+		if (isset($this->aColumns[$iIndex])) {
+			unset($this->aColumns[$iIndex]);
+		}
+
+		return $this;
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function GetSubBlocks() {
 		return $this->aColumns;
 	}
 }
\ No newline at end of file
diff --git a/templates/layouts/column/layout.html.twig b/templates/layouts/column/layout.html.twig
deleted file mode 100644
index 716e4f3eb..000000000
--- a/templates/layouts/column/layout.html.twig
+++ /dev/null
@@ -1,7 +0,0 @@
-{# @copyright   Copyright (C) 2010-2020 Combodo SARL #}
-{# @license     http://opensource.org/licenses/AGPL-3.0 #}
-<div class="ibo-column">
-    {% for oSubBlock in oUIBlock.GetSubBlocks() %}
-        {{ render_block(oSubBlock, {aPage: aPage}) }}
-    {% endfor %}
-</div>
\ No newline at end of file