diff --git a/src/storage/Backend.h b/src/storage/Backend.h
index ec5cd39f14..23331800e0 100644
--- a/src/storage/Backend.h
+++ b/src/storage/Backend.h
@@ -104,12 +104,6 @@ public:
      */
     virtual bool IsOpen() = 0;
 
-    /**
-     * Returns whether the backend's connection supports asynchronous commands.
-     * Defaults to true, but can be overridden by backends.
-     */
-    virtual bool SupportsAsync() { return true; }
-
 protected:
     // Allow the manager to call Open/Close.
     friend class storage::Manager;
diff --git a/src/storage/storage.bif b/src/storage/storage.bif
index a5cf473ae6..ae037378f5 100644
--- a/src/storage/storage.bif
+++ b/src/storage/storage.bif
@@ -8,11 +8,6 @@ using namespace zeek;
 using namespace zeek::storage;
 
 static zeek::detail::trigger::TriggerPtr init_trigger(zeek::detail::Frame* frame, const BackendPtr& b) {
-	if ( ! b->SupportsAsync() ) {
-		emit_builtin_error("Async mode requested but backend does not support async operations");
-		return nullptr;
-	}
-
 	auto trigger = frame->GetTrigger();
 
 	if ( ! trigger ) {