diff --git a/polygerrit-ui/app/api/diff.ts b/polygerrit-ui/app/api/diff.ts
index ce9ce2d..e3b3ad4 100644
--- a/polygerrit-ui/app/api/diff.ts
+++ b/polygerrit-ui/app/api/diff.ts
@@ -201,7 +201,7 @@
   syntax_highlighting?: boolean;
   tab_size: number;
   font_size: number;
-  // TODO: Missing documentation
+  // Hides the FILE and LOST diff rows. Default is TRUE.
   show_file_comment_button?: boolean;
   line_wrapping?: boolean;
 }
diff --git a/polygerrit-ui/app/embed/diff/gr-diff-builder/gr-diff-section.ts b/polygerrit-ui/app/embed/diff/gr-diff-builder/gr-diff-section.ts
index 28e83ae..b952a3d 100644
--- a/polygerrit-ui/app/embed/diff/gr-diff-builder/gr-diff-section.ts
+++ b/polygerrit-ui/app/embed/diff/gr-diff-builder/gr-diff-section.ts
@@ -76,6 +76,9 @@
 
     const pairs = this.getLinePairs();
     const responsiveMode = getResponsiveMode(this.diffPrefs, this.renderPrefs);
+    const hideFileCommentButton =
+      this.diffPrefs?.show_file_comment_button === false ||
+      this.renderPrefs?.show_file_comment_button === false;
     const body = html`
       <tbody class=${diffClasses(...extras)}>
         ${this.renderContextControls()} ${this.renderMoveControls()}
@@ -92,6 +95,7 @@
               .tabSize=${this.diffPrefs?.tab_size ?? 2}
               .unifiedDiff=${this.isUnifiedDiff()}
               .responsiveMode=${responsiveMode}
+              .hideFileCommentButton=${hideFileCommentButton}
             >
             </gr-diff-row>
           `;