diff --git a/src/js/captions.js b/src/js/captions.js
index 45efcf40..c6618fda 100644
--- a/src/js/captions.js
+++ b/src/js/captions.js
@@ -250,11 +250,6 @@ const captions = {
 
     // Display captions container and button (for initialization)
     show() {
-        // If there's no caption toggle, bail
-        if (!utils.is.element(this.elements.buttons.captions)) {
-            return;
-        }
-
         // Try to load the value from storage
         let active = this.storage.get('captions');
 
diff --git a/src/js/fullscreen.js b/src/js/fullscreen.js
index 857a2edc..8795f460 100644
--- a/src/js/fullscreen.js
+++ b/src/js/fullscreen.js
@@ -90,7 +90,7 @@ class Fullscreen {
     static get prefix() {
         // No prefix
         if (utils.is.function(document.exitFullscreen)) {
-            return false;
+            return '';
         }
 
         // Check for fullscreen support by vendor prefix
diff --git a/src/js/plyr.js b/src/js/plyr.js
index fe8049e1..4461d154 100644
--- a/src/js/plyr.js
+++ b/src/js/plyr.js
@@ -845,8 +845,8 @@ class Plyr {
      * @param {boolean} input - Whether to enable captions
      */
     toggleCaptions(input) {
-        // If there's no full support, or there's no caption toggle
-        if (!this.supported.ui || !utils.is.element(this.elements.buttons.captions)) {
+        // If there's no full support
+        if (!this.supported.ui) {
             return;
         }