diff --git a/src/crimson/common/interruptible_future.h b/src/crimson/common/interruptible_future.h
index 5f8323a66d14f..a44c99a1867b9 100644
--- a/src/crimson/common/interruptible_future.h
+++ b/src/crimson/common/interruptible_future.h
@@ -69,7 +69,6 @@ namespace seastar::internal {
   {};
 }
 
-SEASTAR_CONCEPT(
 namespace crimson::interruptible {
   template<typename InterruptCond, typename FutureType>
   class interruptible_future_detail;
@@ -79,7 +78,6 @@ namespace seastar::impl {
   struct is_tuple_of_futures<std::tuple<crimson::interruptible::interruptible_future_detail<InterruptCond, FutureType>, Rest...>>
     : is_tuple_of_futures<std::tuple<Rest...>> {};
 }
-)
 
 namespace crimson::interruptible {
 
diff --git a/src/seastar b/src/seastar
index f3a1484c83b8b..1a2cd05b7bf51 160000
--- a/src/seastar
+++ b/src/seastar
@@ -1 +1 @@
-Subproject commit f3a1484c83b8b8ed774582f85fe33bf957390400
+Subproject commit 1a2cd05b7bf515f68841fa06ba9e3bdaecd20716