diff --git a/lib/base/threadpool.cpp b/lib/base/threadpool.cpp
index 747d60820..21f19fd42 100644
--- a/lib/base/threadpool.cpp
+++ b/lib/base/threadpool.cpp
@@ -5,8 +5,7 @@
 
 using namespace icinga;
 
-ThreadPool::ThreadPool()
-	: m_Threads(Configuration::Concurrency * 2u), m_Pending(0)
+ThreadPool::ThreadPool() : m_Pending(0)
 {
 	Start();
 }
@@ -21,7 +20,7 @@ void ThreadPool::Start()
 	boost::unique_lock<decltype(m_Mutex)> lock (m_Mutex);
 
 	if (!m_Pool) {
-		m_Pool = decltype(m_Pool)(new boost::asio::thread_pool(m_Threads));
+		m_Pool = decltype(m_Pool)(new boost::asio::thread_pool(Configuration::Concurrency * 2u));
 	}
 }
 
diff --git a/lib/base/threadpool.hpp b/lib/base/threadpool.hpp
index a8a9732f0..f9760bc8b 100644
--- a/lib/base/threadpool.hpp
+++ b/lib/base/threadpool.hpp
@@ -90,7 +90,6 @@ public:
 private:
 	boost::shared_mutex m_Mutex;
 	std::unique_ptr<boost::asio::thread_pool> m_Pool;
-	size_t m_Threads;
 	Atomic<uint_fast64_t> m_Pending;
 };