1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/rtlil.h b/kernel/rtlil.h
index 58c5d9674..451bdd7b6 100644
--- a/kernel/rtlil.h
+++ b/kernel/rtlil.h
@@ -758,6 +758,10 @@ private:
 			unpack();
 	}
 
+	// Only used by Module::remove(const pool<Wire*> &wires)
+	// but cannot be more specific as it isn't yet declared
+	friend struct RTLIL::Module;
+
 public:
 	SigSpec();
 	SigSpec(const RTLIL::SigSpec &other);