diff --git a/windows/foundation/asyncoperationcompletedhandler.go b/windows/foundation/asyncoperationcompletedhandler.go
index 9f2a4ee..74caedc 100644
--- a/windows/foundation/asyncoperationcompletedhandler.go
+++ b/windows/foundation/asyncoperationcompletedhandler.go
@@ -10,6 +10,7 @@ import (
 	"time"
 	"unsafe"
 
+	"git.savin.nyc/alex/go-winrt/internal/delegate"
 	"git.savin.nyc/alex/go-winrt/internal/kernel32"
 	"github.com/go-ole/go-ole"
 )
diff --git a/windows/foundation/deferralcompletedhandler.go b/windows/foundation/deferralcompletedhandler.go
index 896f40e..6fed31b 100644
--- a/windows/foundation/deferralcompletedhandler.go
+++ b/windows/foundation/deferralcompletedhandler.go
@@ -10,6 +10,7 @@ import (
 	"time"
 	"unsafe"
 
+	"git.savin.nyc/alex/go-winrt/internal/delegate"
 	"git.savin.nyc/alex/go-winrt/internal/kernel32"
 	"github.com/go-ole/go-ole"
 )
diff --git a/windows/foundation/typedeventhandler.go b/windows/foundation/typedeventhandler.go
index 18a6773..d00045d 100644
--- a/windows/foundation/typedeventhandler.go
+++ b/windows/foundation/typedeventhandler.go
@@ -10,6 +10,7 @@ import (
 	"time"
 	"unsafe"
 
+	"git.savin.nyc/alex/go-winrt/internal/delegate"
 	"git.savin.nyc/alex/go-winrt/internal/kernel32"
 	"github.com/go-ole/go-ole"
 )