diff --git a/rust/libnotcurses-sys/src/cells.rs b/rust/libnotcurses-sys/src/cells.rs
index b91166a84..0ed8984f5 100644
--- a/rust/libnotcurses-sys/src/cells.rs
+++ b/rust/libnotcurses-sys/src/cells.rs
@@ -449,3 +449,15 @@ pub fn cells_load_box(
 // cell_bg_palindex_p(const cell* cl){
 //     return channels_bg_palindex_p(cl->channels);
 // }
+
+#[cfg(test)]
+mod test {
+    // use super::ffi;
+    // use serial_test::serial;
+    /*
+    #[test]
+    #[serial]
+    fn () {
+    }
+    */
+}
diff --git a/rust/libnotcurses-sys/src/key.rs b/rust/libnotcurses-sys/src/key.rs
index 1cef3cf9e..60f208e21 100644
--- a/rust/libnotcurses-sys/src/key.rs
+++ b/rust/libnotcurses-sys/src/key.rs
@@ -22,3 +22,15 @@ pub fn nckey_supppuab_p(w: u32)-> bool {
 pub fn nckey_mouse_p(r: u32)-> bool {
     r >= ffi::NCKEY_BUTTON1 && r <= ffi::NCKEY_RELEASE
 }
+
+#[cfg(test)]
+mod test {
+    // use super::ffi;
+    // use serial_test::serial;
+    /*
+    #[test]
+    #[serial]
+    fn () {
+    }
+    */
+}
diff --git a/rust/libnotcurses-sys/src/nc.rs b/rust/libnotcurses-sys/src/nc.rs
index 4b4c55f26..d504c9e55 100644
--- a/rust/libnotcurses-sys/src/nc.rs
+++ b/rust/libnotcurses-sys/src/nc.rs
@@ -84,3 +84,14 @@
 //   ncplane_dim_yx(notcurses_stdplane_const(n), rows, cols);
 // }
 
+#[cfg(test)]
+mod test {
+    // use super::ffi;
+    // use serial_test::serial;
+    /*
+    #[test]
+    #[serial]
+    fn () {
+    }
+    */
+}
diff --git a/rust/libnotcurses-sys/src/palette.rs b/rust/libnotcurses-sys/src/palette.rs
index a35266121..e02b4c8e6 100644
--- a/rust/libnotcurses-sys/src/palette.rs
+++ b/rust/libnotcurses-sys/src/palette.rs
@@ -42,3 +42,15 @@ pub fn palette256_set_rgb(palette: &mut ffi::palette256, idx: usize, r: Color, g
 //   }
 //   return channel_rgb(p->chans[idx], r, g, b);
 // }
+
+#[cfg(test)]
+mod test {
+    // use super::ffi;
+    // use serial_test::serial;
+    /*
+    #[test]
+    #[serial]
+    fn () {
+    }
+    */
+}
diff --git a/rust/libnotcurses-sys/src/pixel.rs b/rust/libnotcurses-sys/src/pixel.rs
index 1409de0d7..4d3a75d4d 100644
--- a/rust/libnotcurses-sys/src/pixel.rs
+++ b/rust/libnotcurses-sys/src/pixel.rs
@@ -80,3 +80,16 @@ pub fn ncpixel_set_rgb(pixel: &mut Pixel, red: Color, green: Color, blue: Color)
     ncpixel_set_g(pixel, green);
     ncpixel_set_b(pixel, blue);
 }
+
+
+#[cfg(test)]
+mod test {
+    // use super::ffi;
+    // use serial_test::serial;
+    /*
+    #[test]
+    #[serial]
+    fn () {
+    }
+    */
+}
diff --git a/rust/libnotcurses-sys/src/plane.rs b/rust/libnotcurses-sys/src/plane.rs
index 94f50ea3a..ad7d8e3b3 100644
--- a/rust/libnotcurses-sys/src/plane.rs
+++ b/rust/libnotcurses-sys/src/plane.rs
@@ -652,3 +652,15 @@ pub fn ncplane_perimeter(
 //                             x + xlen - 1, ctlword);
 // }
 //
+
+#[cfg(test)]
+mod test {
+    // use super::ffi;
+    // use serial_test::serial;
+    /*
+    #[test]
+    #[serial]
+    fn () {
+    }
+    */
+}