diff --git a/src/core/geometry_type.hpp b/src/core/geometry_type.hpp
index 062e3b1d87..9149ab2c3c 100644
--- a/src/core/geometry_type.hpp
+++ b/src/core/geometry_type.hpp
@@ -73,10 +73,10 @@ inline const RectPadding RectPadding::zero{};
 
 /** Specification of a rectangle with absolute coordinates of all edges */
 struct Rect {
-	int left;
-	int top;
-	int right;
-	int bottom;
+	int left = 0;
+	int top = 0;
+	int right = 0;
+	int bottom = 0;
 
 	/**
 	 * Get width of Rect.
@@ -232,10 +232,10 @@ struct Rect {
  * (relative) width/height
  */
 struct PointDimension {
-	int x;
-	int y;
-	int width;
-	int height;
+	int x = 0;
+	int y = 0;
+	int width = 0;
+	int height = 0;
 };
 
 #endif /* GEOMETRY_TYPE_HPP */
diff --git a/src/video/sdl2_opengl_v.cpp b/src/video/sdl2_opengl_v.cpp
index 21d9b342a9..6ab2ff6a78 100644
--- a/src/video/sdl2_opengl_v.cpp
+++ b/src/video/sdl2_opengl_v.cpp
@@ -21,7 +21,6 @@
 #include "../progress.h"
 #include "../core/random_func.hpp"
 #include "../core/math_func.hpp"
-#include "../core/mem_func.hpp"
 #include "../core/geometry_func.hpp"
 #include "../fileio_func.h"
 #include "../framerate_type.h"
@@ -144,7 +143,7 @@ bool VideoDriver_SDL_OpenGL::AllocateBackingStore(int w, int h, bool force)
 
 	w = std::max(w, 64);
 	h = std::max(h, 64);
-	MemSetT(&this->dirty_rect, 0);
+	this->dirty_rect = {};
 
 	bool res = OpenGLBackend::Get()->Resize(w, h, force);
 	SDL_GL_SwapWindow(this->sdl_window);
@@ -167,7 +166,7 @@ void VideoDriver_SDL_OpenGL::ReleaseVideoPointer()
 {
 	if (this->anim_buffer != nullptr) OpenGLBackend::Get()->ReleaseAnimBuffer(this->dirty_rect);
 	OpenGLBackend::Get()->ReleaseVideoBuffer(this->dirty_rect);
-	MemSetT(&this->dirty_rect, 0);
+	this->dirty_rect = {};
 	this->anim_buffer = nullptr;
 }