diff --git a/dev/Sieve/Model/Filter.js b/dev/Sieve/Model/Filter.js
index f5239405e..016400a21 100644
--- a/dev/Sieve/Model/Filter.js
+++ b/dev/Sieve/Model/Filter.js
@@ -36,7 +36,6 @@ export class FilterModel extends AbstractModel {
 		this.addObservables({
 			enabled: true,
 			askDelete: false,
-			canBeDeleted: true,
 
 			name: '',
 			nameError: false,
@@ -181,27 +180,6 @@ export class FilterModel extends AbstractModel {
 		return true;
 	}
 
-	toJSON() {
-		return {
-//			'@Object': 'Object/Filter',
-			ID: this.id,
-			Enabled: this.enabled() ? 1 : 0,
-			Name: this.name,
-			Conditions: this.conditions,
-			ConditionsType: this.conditionsType,
-
-			ActionType: this.actionType(),
-			ActionValue: this.actionValue,
-			ActionValueSecond: this.actionValueSecond,
-			ActionValueThird: this.actionValueThird,
-			ActionValueFourth: this.actionValueFourth,
-
-			Keep: this.keep() ? 1 : 0,
-			Stop: this.stop() ? 1 : 0,
-			MarkAsRead: this.markAsRead() ? 1 : 0
-		};
-	}
-
 	addCondition() {
 		this.conditions.push(new FilterConditionModel());
 	}
diff --git a/dev/Sieve/Model/FilterCondition.js b/dev/Sieve/Model/FilterCondition.js
index 8e54cff69..0313a9736 100644
--- a/dev/Sieve/Model/FilterCondition.js
+++ b/dev/Sieve/Model/FilterCondition.js
@@ -81,16 +81,6 @@ export class FilterConditionModel extends AbstractModel {
 
 //	static reviveFromJson(json) {}
 
-	toJSON() {
-		return {
-//			'@Object': 'Object/FilterCondition',
-			Field: this.field,
-			Type: this.type,
-			Value: this.value,
-			ValueSecond: this.valueSecond
-		};
-	}
-
 	cloneSelf() {
 		const filterCond = new FilterConditionModel();
 
diff --git a/dev/Sieve/Model/Script.js b/dev/Sieve/Model/Script.js
index 231bf22f4..7d1f4faa1 100644
--- a/dev/Sieve/Model/Script.js
+++ b/dev/Sieve/Model/Script.js
@@ -261,7 +261,6 @@ export class SieveScriptModel extends AbstractModel
 			exists: false,
 			nameError: false,
 			askDelete: false,
-			canBeDeleted: true,
 			hasChanges: false
 		});
 
@@ -317,7 +316,6 @@ export class SieveScriptModel extends AbstractModel
 			if (script.allowFilters()) {
 				script.filters(sieveScriptToFilters(script.body()));
 			}
-			script.canBeDeleted(SIEVE_FILE_NAME !== json.name);
 			script.exists(true);
 			script.hasChanges(false);
 		}
diff --git a/snappymail/v/0.0.0/app/templates/Views/User/PopupsSieveScript.html b/snappymail/v/0.0.0/app/templates/Views/User/PopupsSieveScript.html
index f162bc8af..2ebd054d1 100644
--- a/snappymail/v/0.0.0/app/templates/Views/User/PopupsSieveScript.html
+++ b/snappymail/v/0.0.0/app/templates/Views/User/PopupsSieveScript.html
@@ -61,7 +61,7 @@
 							data-i18n="GLOBAL/ARE_YOU_SURE"></a>
 					</td>
 					<td>
-						<span class="delete-filter fontastic" data-bind="visible: !askDelete() && canBeDeleted(), click: function (oFilter) { $root.filterForDeletion(oFilter); }">🗑</span>
+						<span class="delete-filter fontastic" data-bind="visible: !askDelete(), click: function (oFilter) { $root.filterForDeletion(oFilter); }">🗑</span>
 					</td>
 				</tr>
 			</tbody>
diff --git a/snappymail/v/0.0.0/app/templates/Views/User/SettingsFilters.html b/snappymail/v/0.0.0/app/templates/Views/User/SettingsFilters.html
index 4e51e32ee..f7eefee34 100644
--- a/snappymail/v/0.0.0/app/templates/Views/User/SettingsFilters.html
+++ b/snappymail/v/0.0.0/app/templates/Views/User/SettingsFilters.html
@@ -41,7 +41,7 @@
 					data-i18n="GLOBAL/ARE_YOU_SURE"></a>
 			</td>
 			<td>
-				<span class="e-action fontastic" data-bind="visible: !askDelete() && canBeDeleted(), click: function (oScript) { $root.scriptForDeletion(oScript); }">🗑</span>
+				<span class="e-action fontastic" data-bind="visible: !askDelete() && !allowFilters(), click: function (oScript) { $root.scriptForDeletion(oScript); }">🗑</span>
 			</td>
 		</tr>
 		<!-- /ko -->