diff --git a/src/Platform/AbstractXApplication.h b/src/Platform/AbstractXApplication.h
index bf9b46a29..7d97d2758 100644
--- a/src/Platform/AbstractXApplication.h
+++ b/src/Platform/AbstractXApplication.h
@@ -196,7 +196,7 @@ class AbstractXApplication::Configuration {
     Configuration& operator=(Configuration&&) = delete;
 
     public:
-        explicit Configuration();
+        /*implicit*/ Configuration();
         ~Configuration();
 
         /** @brief Window title */
diff --git a/src/Platform/GlutApplication.h b/src/Platform/GlutApplication.h
index e037a849b..bc0ba31a2 100644
--- a/src/Platform/GlutApplication.h
+++ b/src/Platform/GlutApplication.h
@@ -282,7 +282,7 @@ class GlutApplication::Configuration {
     Configuration& operator=(Configuration&&) = delete;
 
     public:
-        explicit Configuration();
+        /*implicit*/ Configuration();
         ~Configuration();
 
         /** @brief Window title */
diff --git a/src/Platform/NaClApplication.h b/src/Platform/NaClApplication.h
index 367baad35..97edf3c44 100644
--- a/src/Platform/NaClApplication.h
+++ b/src/Platform/NaClApplication.h
@@ -308,7 +308,7 @@ class NaClApplication::Configuration {
     Configuration& operator=(Configuration&&) = delete;
 
     public:
-        constexpr explicit Configuration(): _size(640, 480), _sampleCount(0) {}
+        constexpr /*implicit*/ Configuration(): _size(640, 480), _sampleCount(0) {}
 
         /** @brief Window size */
         Vector2i size() const { return _size; }
diff --git a/src/Platform/Sdl2Application.h b/src/Platform/Sdl2Application.h
index 1fd62c431..7d1f4732e 100644
--- a/src/Platform/Sdl2Application.h
+++ b/src/Platform/Sdl2Application.h
@@ -229,7 +229,7 @@ class Sdl2Application::Configuration {
             SDL_WINDOW_FULLSCREEN|SDL_WINDOW_HIDDEN|SDL_WINDOW_MAXIMIZED|
             SDL_WINDOW_MINIMIZED|SDL_WINDOW_INPUT_GRABBED> Flags;
 
-        explicit Configuration();
+        /*implicit*/ Configuration();
         ~Configuration();
 
         /** @brief Window title */
diff --git a/src/Platform/WindowlessGlxApplication.h b/src/Platform/WindowlessGlxApplication.h
index ed9831b83..3659b92e5 100644
--- a/src/Platform/WindowlessGlxApplication.h
+++ b/src/Platform/WindowlessGlxApplication.h
@@ -119,7 +119,7 @@ class WindowlessGlxApplication::Configuration {
     Configuration& operator=(Configuration&&) = delete;
 
     public:
-        explicit Configuration();
+        /*implicit*/ Configuration();
         ~Configuration();
 };