diff --git a/desktop/src/features/channels/lib/threadFocusLayout.ts b/desktop/src/features/channels/lib/threadFocusLayout.ts
index f14f3399bd7..bc627b420ba 100644
--- a/desktop/src/features/channels/lib/threadFocusLayout.ts
+++ b/desktop/src/features/channels/lib/threadFocusLayout.ts
@@ -16,16 +16,6 @@
  */
 export const THREAD_FOCUS_SLIVER_WIDTH_PX = 72;
 
-/**
- * Max width of the centered message column inside the focus drawer.
- *
- * The drawer itself spans nearly the whole channel content area, but message
- * text set that wide is unreadable. The list and composer share this max width
- * with auto horizontal margins so the reading measure stays comfortable no
- * matter how wide the window gets.
- */
-export const THREAD_FOCUS_COLUMN_MAX_WIDTH_PX = 880;
-
 /**
  * Horizontal distance the focus drawer travels on enter/exit.
  *
diff --git a/desktop/src/features/channels/lib/threadPanelLayout.ts b/desktop/src/features/channels/lib/threadPanelLayout.ts
index d07aec0f353..de44fe9075c 100644
--- a/desktop/src/features/channels/lib/threadPanelLayout.ts
+++ b/desktop/src/features/channels/lib/threadPanelLayout.ts
@@ -1,7 +1,5 @@
 import type * as React from "react";
 
-import { THREAD_FOCUS_COLUMN_MAX_WIDTH_PX } from "@/features/channels/lib/threadFocusLayout";
-
 export type ThreadPanelLayoutProps = {
   columnMaxWidthPx?: number;
   headerLeading?: React.ReactNode;
@@ -27,7 +25,10 @@ export function getThreadPanelLayout({
 }: ThreadPanelLayoutOptions): ThreadPanelLayoutProps {
   return isFocusDrawer
     ? {
-        columnMaxWidthPx: THREAD_FOCUS_COLUMN_MAX_WIDTH_PX,
+        // Full-bleed to the drawer edge, matching split/channel/inbox views:
+        // an undefined max width drops both the reading-measure cap and the
+        // `mx-auto`/inline-gutter column treatment (see THREAD_PANEL_COLUMN_CLASS).
+        columnMaxWidthPx: undefined,
         headerLeading,
         isFocusMode: true,
         isSinglePanelView: true,