diff --git a/src/joystick.rs b/src/joystick.rs
index d93cd353..d547e289 100644
--- a/src/joystick.rs
+++ b/src/joystick.rs
@@ -35,7 +35,6 @@ use crate::hints::*;
 use crate::*;
 
 /// The `SDL_Joystick` type is an opaque structure.
-#[derive(Debug)]
 #[repr(transparent)]
 pub struct SDL_Joystick(c_void);
 
diff --git a/src/renderer.rs b/src/renderer.rs
index bd5b7ed3..ab1c4962 100644
--- a/src/renderer.rs
+++ b/src/renderer.rs
@@ -128,12 +128,10 @@ pub const SDL_FLIP_HORIZONTAL: SDL_RendererFlip = SDL_RendererFlip(0x00000001);
 pub const SDL_FLIP_VERTICAL: SDL_RendererFlip = SDL_RendererFlip(0x00000002);
 
 /// An opaque structure representing rendering state.
-#[derive(Debug)]
 #[repr(transparent)]
 pub struct SDL_Renderer(c_void);
 
 /// An opaque, efficient, driver-specific representation of pixel data.
-#[derive(Debug)]
 #[repr(transparent)]
 pub struct SDL_Texture(c_void);