[NIFI-6646] untheme confirm dialog close button
diff --git a/platform/core/dialogs/confirm-dialog/confirm-dialog.component.html b/platform/core/dialogs/confirm-dialog/confirm-dialog.component.html
index efc1b87..cc0789c 100644
--- a/platform/core/dialogs/confirm-dialog/confirm-dialog.component.html
+++ b/platform/core/dialogs/confirm-dialog/confirm-dialog.component.html
@@ -20,7 +20,7 @@
         <div fxLayout="row" fxLayoutAlign="space-between center">
             {{title}}
             <button mat-icon-button (click)="cancel()">
-                <mat-icon color="primary">close</mat-icon>
+                <mat-icon>close</mat-icon>
             </button>
         </div>
     </fds-dialog-title>
@@ -42,4 +42,4 @@
                 class="push-left-sm">{{acceptButton}}
         </button>
     </fds-dialog-actions>
-</fds-dialog>
\ No newline at end of file
+</fds-dialog>