diff --git a/include/thallium/provider.hpp b/include/thallium/provider.hpp
index c808642f2001a3eebe44d009573ce72e564c6358..312513665b63f9ec05c74e3db8aa02d17f8b1d2e 100644
--- a/include/thallium/provider.hpp
+++ b/include/thallium/provider.hpp
@@ -91,6 +91,8 @@ private:
             const std::integral_constant<bool, false>& r_is_void,
             const std::integral_constant<bool, true>& first_arg_is_request,
             const pool& p) {
+        (void)r_is_void;
+        (void)first_arg_is_request;
         T* self = static_cast<T*>(this);
         std::function<void(const request&, Args...)> fun = [self, func](const request& req, Args... args) {
             (self->*func)(req, args...);
@@ -108,6 +110,8 @@ private:
             const std::integral_constant<bool, false>& r_is_void,
             const std::integral_constant<bool, false>& first_arg_is_request,
             const pool& p) {
+        (void)r_is_void;
+        (void)first_arg_is_request;
         T* self = static_cast<T*>(this);
         std::function<void(const request&, Args...)> fun = [self, func](const request& req, Args... args) {
             R r = (self->*func)(args...);
@@ -126,6 +130,8 @@ private:
             const std::integral_constant<bool, true>& r_is_void,
             const std::integral_constant<bool, true>& first_arg_is_request,
             const pool& p = pool()) {
+        (void)r_is_void;
+        (void)first_arg_is_request;
         T* self = static_cast<T*>(this);
         std::function<void(const request&, Args...)> fun = [self, func](const request& req, Args... args) {
             (self->*func)(req, args...);
@@ -142,6 +148,8 @@ private:
             const std::integral_constant<bool, true>& r_is_void,
             const std::integral_constant<bool, false>& first_arg_is_request,
             const pool& p = pool()) {
+        (void)r_is_void;
+        (void)first_arg_is_request;
         T* self = static_cast<T*>(this);
         std::function<void(const request&, Args...)> fun = [self, func](const request& req, Args... args) {
             (self->*func)(args...);
@@ -163,6 +171,8 @@ private:
             const std::integral_constant<bool, false>& r_is_void,
             const std::integral_constant<bool, true>& first_arg_is_request,
             const pool& p) {
+        (void)r_is_void;
+        (void)first_arg_is_request;
         T* self = static_cast<T*>(this);
         std::function<void(const request&, Args...)> fun = [self, func](const request& req, Args... args) {
             (self->*func)(req, args...);
@@ -180,6 +190,8 @@ private:
             const std::integral_constant<bool, false>& r_is_void,
             const std::integral_constant<bool, false>& first_arg_is_request,
             const pool& p) {
+        (void)r_is_void;
+        (void)first_arg_is_request;
         T* self = static_cast<T*>(this);
         std::function<void(const request&, Args...)> fun = [self, func](const request& req, Args... args) {
             R r = (self->*func)(args...);
@@ -198,6 +210,8 @@ private:
             const std::integral_constant<bool, true>& r_is_void,
             const std::integral_constant<bool, true>& first_arg_is_request,
             const pool& p = pool()) {
+        (void)r_is_void;
+        (void)first_arg_is_request;
         T* self = static_cast<T*>(this);
         std::function<void(const request&, Args...)> fun = [self, func](const request& req, Args... args) {
             (self->*func)(req, args...);
@@ -214,6 +228,8 @@ private:
             const std::integral_constant<bool, true>& r_is_void,
             const std::integral_constant<bool, false>& first_arg_is_request,
             const pool& p = pool()) {
+        (void)r_is_void;
+        (void)first_arg_is_request;
         T* self = static_cast<T*>(this);
         std::function<void(const request&, Args...)> fun = [self, func](const request& req, Args... args) {
             (self->*func)(args...);
diff --git a/include/thallium/serialization/stl/tuple.hpp b/include/thallium/serialization/stl/tuple.hpp
index 81cf2cfc49f15ff27f49774499d61288a249d9c3..36119f3402444f2957647c1ea79551396c90f737 100644
--- a/include/thallium/serialization/stl/tuple.hpp
+++ b/include/thallium/serialization/stl/tuple.hpp
@@ -32,7 +32,10 @@ template<>
 struct tuple_serializer<0> {
 
     template<class A, class... Types>
-    static inline void apply(A& ar, std::tuple<Types...>& t) {}
+    static inline void apply(A& ar, std::tuple<Types...>& t) {
+        (void)ar;
+        (void)t;
+    }
 };
 
 }
diff --git a/include/thallium/tuple_util.hpp b/include/thallium/tuple_util.hpp
index 508429f79f1e9b0eaa2fc957aae570025b4b0c6a..4a0a19ad179e81efbb54ddd08511f05dc1fc5d41 100644
--- a/include/thallium/tuple_util.hpp
+++ b/include/thallium/tuple_util.hpp
@@ -26,6 +26,7 @@ struct apply_f_to_t_impl<0> {
 
     template<typename R, typename... ArgsF, typename... ArgsT, typename... Args>
     static R apply(const std::function<R(ArgsF...)>& f, std::tuple<ArgsT...>& t, Args&&... args) {
+        (void)t;
         return f(std::forward<Args>(args)...);
     }
 };