diff --git a/src/Platform/WindowlessGlxApplication.cpp b/src/Platform/WindowlessGlxApplication.cpp
index e71181530..357d9eae3 100644
--- a/src/Platform/WindowlessGlxApplication.cpp
+++ b/src/Platform/WindowlessGlxApplication.cpp
@@ -119,7 +119,4 @@ WindowlessGlxApplication::~WindowlessGlxApplication() {
     glXDestroyContext(display, context);
 }
 
-WindowlessGlxApplication::Configuration::Configuration() = default;
-WindowlessGlxApplication::Configuration::~Configuration() = default;
-
 }}
diff --git a/src/Platform/WindowlessGlxApplication.h b/src/Platform/WindowlessGlxApplication.h
index 627c844c8..720c5320a 100644
--- a/src/Platform/WindowlessGlxApplication.h
+++ b/src/Platform/WindowlessGlxApplication.h
@@ -134,8 +134,7 @@ class WindowlessGlxApplication {
 */
 class WindowlessGlxApplication::Configuration {
     public:
-        /*implicit*/ Configuration();
-        ~Configuration();
+        constexpr /*implicit*/ Configuration() {}
 };
 
 /** @hideinitializer