diff --git a/src/impl/apple/external_commit_helper.hpp b/src/impl/apple/external_commit_helper.hpp
index 624b8618..c6d795a0 100644
--- a/src/impl/apple/external_commit_helper.hpp
+++ b/src/impl/apple/external_commit_helper.hpp
@@ -19,9 +19,7 @@
 #ifndef REALM_EXTERNAL_COMMIT_HELPER_HPP
 #define REALM_EXTERNAL_COMMIT_HELPER_HPP
 
-#include <CoreFoundation/CFRunLoop.h>
 #include <future>
-#include <vector>
 
 namespace realm {
 class Realm;
@@ -59,12 +57,6 @@ private:
         FdHolder(FdHolder const&) = delete;
     };
 
-    struct PerRealmInfo {
-        Realm* realm;
-        CFRunLoopRef runloop;
-        CFRunLoopSourceRef signal;
-    };
-
     void listen();
 
     RealmCoordinator& m_parent;