diff --git a/src/crystal/system/win32/iocp.cr b/src/crystal/system/win32/iocp.cr
index 66261f42e58a..ba87ed123f22 100644
--- a/src/crystal/system/win32/iocp.cr
+++ b/src/crystal/system/win32/iocp.cr
@@ -96,14 +96,9 @@ module Crystal::IOCP
     end
 
     def self.run(handle, &)
-      # TODO: implement `pre_initialize` in the interpreter
-      {% if flag?(:interpreted) %}
-        yield OverlappedOperation.new(handle)
-      {% else %}
-        operation_storage = uninitialized ReferenceStorage(OverlappedOperation)
-        operation = OverlappedOperation.unsafe_construct(pointerof(operation_storage), handle)
-        yield operation
-      {% end %}
+      operation_storage = uninitialized ReferenceStorage(OverlappedOperation)
+      operation = OverlappedOperation.unsafe_construct(pointerof(operation_storage), handle)
+      yield operation
     end
 
     def self.unbox(overlapped : LibC::OVERLAPPED*)