diff --git a/libevmjit/VM.cpp b/libevmjit/VM.cpp
index 9a76c5bcb8..56121941e7 100644
--- a/libevmjit/VM.cpp
+++ b/libevmjit/VM.cpp
@@ -13,9 +13,8 @@ namespace eth
 namespace jit
 {
 
-bytesConstRef VM::go(ExtVMFace& _ext, OnOpFunc const& _onOp, uint64_t _steps)
+bytesConstRef VM::go(ExtVMFace& _ext, OnOpFunc const&, uint64_t)
 {
-	assert(!_onOp); // Parameter ignored
 	assert(_steps == (uint64_t)-1); // Parameter ignored
 
 	auto module = Compiler().compile(_ext.code);