diff --git a/src/js/select2/core.js b/src/js/select2/core.js
index 0bbd0869..be866a19 100644
--- a/src/js/select2/core.js
+++ b/src/js/select2/core.js
@@ -274,7 +274,7 @@ define([
 
     this.on('query', function (params) {
       if (!self.isOpen()) {
-        self.trigger('open');
+        self.trigger('open', {});
       }
 
       this.dataAdapter.query(params, function (data) {
@@ -304,19 +304,19 @@ define([
 
           evt.preventDefault();
         } else if (key === KEYS.ENTER) {
-          self.trigger('results:select');
+          self.trigger('results:select', {});
 
           evt.preventDefault();
         } else if ((key === KEYS.SPACE && evt.ctrlKey)) {
-          self.trigger('results:toggle');
+          self.trigger('results:toggle', {});
 
           evt.preventDefault();
         } else if (key === KEYS.UP) {
-          self.trigger('results:previous');
+          self.trigger('results:previous', {});
 
           evt.preventDefault();
         } else if (key === KEYS.DOWN) {
-          self.trigger('results:next');
+          self.trigger('results:next', {});
 
           evt.preventDefault();
         }
@@ -339,9 +339,9 @@ define([
         this.close();
       }
 
-      this.trigger('disable');
+      this.trigger('disable', {});
     } else {
-      this.trigger('enable');
+      this.trigger('enable', {});
     }
   };
 
@@ -403,7 +403,7 @@ define([
       return;
     }
 
-    this.trigger('close');
+    this.trigger('close', {});
   };
 
   Select2.prototype.isOpen = function () {
@@ -421,7 +421,7 @@ define([
     }
 
     this.$container.addClass('select2-container--focus');
-    this.trigger('focus');
+    this.trigger('focus', {});
   };
 
   Select2.prototype.enable = function (args) {
diff --git a/src/js/select2/dropdown/closeOnSelect.js b/src/js/select2/dropdown/closeOnSelect.js
index 0bf850cc..1a47607e 100644
--- a/src/js/select2/dropdown/closeOnSelect.js
+++ b/src/js/select2/dropdown/closeOnSelect.js
@@ -25,7 +25,7 @@ define([
       return;
     }
 
-    this.trigger('close');
+    this.trigger('close', {});
   };
 
   return CloseOnSelect;
diff --git a/src/js/select2/results.js b/src/js/select2/results.js
index aba02a28..342fd947 100644
--- a/src/js/select2/results.js
+++ b/src/js/select2/results.js
@@ -305,7 +305,7 @@ define([
       var data = $highlighted.data('data');
 
       if ($highlighted.attr('aria-selected') == 'true') {
-        self.trigger('close');
+        self.trigger('close', {});
       } else {
         self.trigger('select', {
           data: data
@@ -427,7 +427,7 @@ define([
             data: data
           });
         } else {
-          self.trigger('close');
+          self.trigger('close', {});
         }
 
         return;
diff --git a/src/js/select2/selection/allowClear.js b/src/js/select2/selection/allowClear.js
index 3bd1fa0f..d3502069 100644
--- a/src/js/select2/selection/allowClear.js
+++ b/src/js/select2/selection/allowClear.js
@@ -62,7 +62,7 @@ define([
 
     this.$element.val(this.placeholder.id).trigger('change');
 
-    this.trigger('toggle');
+    this.trigger('toggle', {});
   };
 
   AllowClear.prototype._handleKeyboardClear = function (_, evt, container) {
diff --git a/src/js/select2/selection/clickMask.js b/src/js/select2/selection/clickMask.js
index bb7cfcf4..2b4ac307 100644
--- a/src/js/select2/selection/clickMask.js
+++ b/src/js/select2/selection/clickMask.js
@@ -13,7 +13,7 @@ define([
     );
 
     this.$mask.on('mousedown touchstart click', function () {
-      self.trigger('close');
+      self.trigger('close', {});
     });
   };
 
diff --git a/src/js/select2/selection/search.js b/src/js/select2/selection/search.js
index cf211844..8fa2ef0b 100644
--- a/src/js/select2/selection/search.js
+++ b/src/js/select2/selection/search.js
@@ -184,7 +184,7 @@ define([
       data: item
     });
 
-    this.trigger('open');
+    this.trigger('open', {});
 
     this.$search.val(item.text + ' ');
   };