diff --git a/rai/node/openclwork.cpp b/rai/node/openclwork.cpp
index 476ff692..5c6454d3 100644
--- a/rai/node/openclwork.cpp
+++ b/rai/node/openclwork.cpp
@@ -706,7 +706,7 @@ rai::opencl_work::~opencl_work ()
 	}
 }
 
-boost::optional <uint64_t> rai::opencl_work::generate_work (rai::work_pool & pool_a, rai::uint256_union const & root_a)
+boost::optional <uint64_t> rai::opencl_work::generate_work (rai::uint256_union const & root_a)
 {
 	std::lock_guard <std::mutex> lock (mutex);
 	bool error (false);
diff --git a/rai/node/openclwork.hpp b/rai/node/openclwork.hpp
index a4f1b6de..9555b503 100644
--- a/rai/node/openclwork.hpp
+++ b/rai/node/openclwork.hpp
@@ -49,7 +49,7 @@ class opencl_work
 public:
 	opencl_work (bool &, rai::opencl_config const &, rai::opencl_environment &, rai::logging &);
 	~opencl_work ();
-	boost::optional<uint64_t> generate_work (rai::work_pool &, rai::uint256_union const &);
+	boost::optional<uint64_t> generate_work (rai::uint256_union const &);
 	static std::unique_ptr <opencl_work> create (bool, rai::opencl_config const &, rai::logging &);
 	rai::opencl_config const & config;
 	std::mutex mutex;
@@ -63,4 +63,4 @@ public:
 	rai::xorshift1024star rand;
 	rai::logging & logging;
 };
-}
\ No newline at end of file
+}
diff --git a/rai/node/work.cpp b/rai/node/work.cpp
index ccb54bea..58923c75 100644
--- a/rai/node/work.cpp
+++ b/rai/node/work.cpp
@@ -158,7 +158,7 @@ void rai::work_pool::generate (rai::uint256_union const & root_a, std::function
 	boost::optional <uint64_t> result;
 	if (opencl != nullptr)
 	{
-		result = opencl->generate_work (*this, root_a);
+		result = opencl->generate_work (root_a);
 	}
 	if (!result)
 	{