diff --git a/apps/web/src/components/chat/TimelineV2EventRow.tsx b/apps/web/src/components/chat/TimelineV2EventRow.tsx
index ed7cd9c975814..5f365dde14d73 100644
--- a/apps/web/src/components/chat/TimelineV2EventRow.tsx
+++ b/apps/web/src/components/chat/TimelineV2EventRow.tsx
@@ -99,14 +99,14 @@ const V2SubagentGroup = memo(function V2SubagentGroup({
         <CollapsibleTrigger
           aria-label={label}
           aria-description={statusSummary}
-          className="flex w-full min-w-0 items-center gap-2.5 py-2 pr-3.25"
+          className="flex w-full min-w-0 items-center gap-2.5 px-3.25 py-2"
         >
           <span className="flex shrink-0 items-center -space-x-1.5" aria-hidden>
             {agents.slice(0, 3).map(({ item, status }, index) => (
               <EnvironmentSubagentAvatar
                 key={item.id}
                 className={cn(
-                  "size-[22px] border-0 ring-(--subagent-avatar-ring,var(--card)) [&_svg]:size-3",
+                  "border-0 ring-(--subagent-avatar-ring,var(--card))",
                   index === 0
                     ? "bg-(--subagent-avatar-1,var(--muted))"
                     : index === 1
@@ -121,7 +121,7 @@ const V2SubagentGroup = memo(function V2SubagentGroup({
               />
             ))}
             {agents.length > 3 ? (
-              <span className="relative inline-flex size-[22px] items-center justify-center rounded-full bg-muted text-3xs font-medium text-muted-foreground ring-2 ring-(--subagent-avatar-ring,var(--card))">
+              <span className="relative inline-flex size-6 items-center justify-center rounded-full bg-muted text-3xs font-medium text-muted-foreground ring-2 ring-(--subagent-avatar-ring,var(--card))">
                 +{agents.length - 3}
               </span>
             ) : null}