diff --git a/repertory/librepertory/include/platform/unix_platform.hpp b/repertory/librepertory/include/platform/unix_platform.hpp
index 6fdc0080..38a0c117 100644
--- a/repertory/librepertory/include/platform/unix_platform.hpp
+++ b/repertory/librepertory/include/platform/unix_platform.hpp
@@ -43,7 +43,6 @@ public:
   ~lock_data();
 
 private:
-  provider_type prov_;
   std::string mutex_id_;
   int lock_fd_;
   int lock_status_{EWOULDBLOCK};
diff --git a/repertory/librepertory/src/platform/unix_platform.cpp b/repertory/librepertory/src/platform/unix_platform.cpp
index 4562a2ae..1010ec0b 100644
--- a/repertory/librepertory/src/platform/unix_platform.cpp
+++ b/repertory/librepertory/src/platform/unix_platform.cpp
@@ -42,7 +42,7 @@ auto create_lock_id(provider_type prov, std::string unique_id) {
 }
 
 lock_data::lock_data(const provider_type &prov, std::string unique_id)
-    : prov_(prov), mutex_id_(create_lock_id(prov, unique_id)) {
+    : mutex_id_(create_lock_id(prov, unique_id)) {
   lock_fd_ = open(get_lock_file().c_str(), O_CREAT | O_RDWR, S_IWUSR | S_IRUSR);
 }