diff --git a/css/main.css b/css/main.css
index a7ed2534..cde01aa4 100644
--- a/css/main.css
+++ b/css/main.css
@@ -429,10 +429,6 @@ div.svelte-362y77>*, div.svelte-362y77>.form>* {
     margin-left: 5px;
 }
 
-.chat-parent.bigchat {
-    flex: 1;
-}
-
 .chat > .messages {
     display: flex;
     flex-direction: column;
@@ -832,10 +828,6 @@ div.svelte-362y77>*, div.svelte-362y77>.form>* {
     padding: 1rem;
 }
 
-#chat-input-row.bigchat {
-    padding-bottom: 1px !important;
-}
-
 #chat-col {
     height: 100dvh;
     display: flex;
@@ -851,10 +843,6 @@ div.svelte-362y77>*, div.svelte-362y77>.form>* {
     }
 }
 
-#chat-col.bigchat {
-    padding-bottom: 15px !important;
-}
-
 .message-body ol, .message-body ul {
     margin-top: 0 !important;
     margin-bottom: 1.25em !important;
diff --git a/js/show_controls.js b/js/show_controls.js
index f974d412..ff513395 100644
--- a/js/show_controls.js
+++ b/js/show_controls.js
@@ -20,12 +20,6 @@ function toggle_controls(value) {
       extensions.style.display = "inherit";
     }
 
-    // Remove bigchat classes
-    chatParent.classList.remove("bigchat");
-    document.getElementById("chat-input-row").classList.remove("bigchat");
-    document.getElementById("chat-col").classList.remove("bigchat");
-    document.getElementById("chat-tab").style.paddingBottom = "";
-
     let gallery_element = document.getElementById("gallery-extension");
     if (gallery_element) {
       gallery_element.style.display = "block";
@@ -47,11 +41,5 @@ function toggle_controls(value) {
     if (extensions) {
       extensions.style.display = "none";
     }
-
-    // Add bigchat classes
-    chatParent.classList.add("bigchat");
-    document.getElementById("chat-input-row").classList.add("bigchat");
-    document.getElementById("chat-col").classList.add("bigchat");
-    document.getElementById("chat-tab").style.paddingBottom = "0px";
   }
 }