diff --git a/extension.json b/extension.json
index 8501d720..292b11d5 100644
--- a/extension.json
+++ b/extension.json
@@ -144,7 +144,6 @@
 				"templatedata-modal-button-importParams",
 				"templatedata-modal-button-map",
 				"templatedata-modal-button-removemap",
-				"templatedata-modal-button-restoreparam",
 				"templatedata-modal-button-saveparam",
 				"templatedata-modal-confirmcancel",
 				"templatedata-modal-current-language",
diff --git a/i18n/en.json b/i18n/en.json
index 2755dc15..0fa55d3f 100644
--- a/i18n/en.json
+++ b/i18n/en.json
@@ -70,7 +70,6 @@
 	"templatedata-modal-button-map": "Edit maps",
 	"templatedata-modal-button-importParams": "Import parameters",
 	"templatedata-modal-button-removemap": "Remove map",
-	"templatedata-modal-button-restoreparam": "Restore parameter",
 	"templatedata-modal-button-saveparam": "Save",
 	"templatedata-modal-confirmcancel": "Are you sure you want to discard your changes?",
 	"templatedata-modal-current-language": "Current language: $1",
diff --git a/i18n/qqq.json b/i18n/qqq.json
index 4701a283..4429a1c6 100644
--- a/i18n/qqq.json
+++ b/i18n/qqq.json
@@ -83,7 +83,6 @@
 	"templatedata-modal-button-map": "{{technical}}\nLabel of the Edit maps button. See [[:mw:Extension:TemplateData#Maps object]].",
 	"templatedata-modal-button-importParams": "Label of the import button",
 	"templatedata-modal-button-removemap": "{{technical}}\n\nLabel of the remove map button. See [[:mw:Extension:TemplateData#Maps object]].",
-	"templatedata-modal-button-restoreparam": "Label for the button to restore a previously deleted parameter in the edit dialog.",
 	"templatedata-modal-button-saveparam": "Label for the button to save parameter details in the templatedata edit dialog.\n{{Identical|Save}}",
 	"templatedata-modal-confirmcancel": "Prompt shown to the user when they attempt to cancel the templatedata edit dialog after making changes.",
 	"templatedata-modal-current-language": "Label displaying the current language in the edit dialog. Parameters:\n* $1 - currently showing language\n{{Identical|Current language}}",
diff --git a/modules/ext.templateDataGenerator.data/Model.js b/modules/ext.templateDataGenerator.data/Model.js
index 2fe04d23..cf0e70ff 100644
--- a/modules/ext.templateDataGenerator.data/Model.js
+++ b/modules/ext.templateDataGenerator.data/Model.js
@@ -783,23 +783,6 @@ Model.prototype.deleteParam = function ( paramKey ) {
 	this.emit( 'change' );
 };
 
-/**
- * Restore parameter by unmarking it as deleted.
- *
- * @param {string} paramKey Parameter key
- * @fires add-param
- * @fires change
- */
-Model.prototype.restoreParam = function ( paramKey ) {
-	if ( this.params[ paramKey ] ) {
-		this.params[ paramKey ].deleted = false;
-		// Add back to paramOrder
-		this.addKeyTemplateParamOrder( paramKey );
-		this.emit( 'add-param', paramKey, this.params[ paramKey ] );
-		this.emit( 'change' );
-	}
-};
-
 /**
  * Delete all data attached to a parameter
  *