diff --git a/src/ptk_vk/init.c b/src/ptk_vk/init.c
index 9051aad..63f0db2 100644
--- a/src/ptk_vk/init.c
+++ b/src/ptk_vk/init.c
@@ -25,6 +25,14 @@
 #include <stdio.h>
 #include <string.h>
 
+#ifdef DEBUG
+static const PTK_ARRAY(constcharptr) m_validation_layers = PTK_ARRAY_NEW(constcharptr, {
+    "VK_LAYER_KHRONOS_validation"
+});
+#else
+static const PTK_ARRAY(constcharptr) m_validation_layers = PTK_ARRAY_EMPTY(constcharptr);
+#endif
+
 static VkInstance m_instance;
 static VkDevice m_dev;
 static VkPhysicalDevice m_physical_dev;
@@ -67,13 +75,8 @@ static VkRenderPass m_render_pass;
 static VkDescriptorPool m_descriptor_pool;
 static PTK_LIST(VkDescriptorSet) m_descriptor_sets;
 
-#ifdef DEBUG
-static const PTK_ARRAY(constcharptr) m_validation_layers = PTK_ARRAY_NEW(constcharptr, {
-    "VK_LAYER_KHRONOS_validation"
-});
-#else
-static const PTK_ARRAY(constcharptr) m_validation_layers = PTK_ARRAY_EMPTY(constcharptr);
-#endif
+static bool m_framebuffer_resized = false;
+static uint32_t m_current_frame = 0;
 
 bool vk_transfer_vertex_data(void) {
     PTK_DEBUG("vertices updated!");
@@ -180,6 +183,11 @@ static void mouse_button_callback(GLFWwindow *window, int button, int action, in
     vk_handle_mouse_button_input((PtkPos){ .x = x, .y = y }, button, action, mods);
 }
 
+static void framebuffer_resized(GLFWwindow *window, int width, int height) {
+    (void)window; (void)width; (void)height;
+    m_framebuffer_resized = true;
+}
+
 bool vk_init(GLFWwindow *window, const size_t width, const size_t height, const char *title, const PtkVersion version) {
     m_window = window;
     m_uniform_buffer_object.initial_window_size.w = width;
@@ -187,7 +195,7 @@ bool vk_init(GLFWwindow *window, const size_t width, const size_t height, const
 
     vk_init_vertices();
 
-    glfwSetFramebufferSizeCallback(window, vk_framebuffer_resized);
+    glfwSetFramebufferSizeCallback(window, framebuffer_resized);
     glfwSetMouseButtonCallback(window, mouse_button_callback);
 
     PTK_OPTION(VkInstance) instance_opt = vk_instance_create(title, version, m_validation_layers);
@@ -364,14 +372,6 @@ bool vk_is_done(void) {
     return glfwWindowShouldClose(m_window);
 }
 
-static bool m_framebuffer_resized = false;
-static uint32_t m_current_frame = 0;
-
-void vk_framebuffer_resized(GLFWwindow *window, int width, int height) {
-    (void)window; (void)width; (void)height;
-    m_framebuffer_resized = true;
-}
-
 uint32_t vk_current_frame(void) {
     return m_current_frame;
 }
diff --git a/src/ptk_vk/init.h b/src/ptk_vk/init.h
index 47f61c4..f1a1fcc 100644
--- a/src/ptk_vk/init.h
+++ b/src/ptk_vk/init.h
@@ -16,8 +16,6 @@ bool vk_init(GLFWwindow *window, const size_t width, const size_t height, const
 
 bool vk_is_done(void);
 
-void vk_framebuffer_resized(GLFWwindow *window, int width, int height);
-
 uint32_t vk_current_frame(void);
 
 bool vk_draw_frame(void);