build: remove dead code

 build.zig | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/build.zig b/build.zig
index 130b815..d298815 100644
--- a/build.zig
+++ b/build.zig
@@ -71,10 +71,8 @@ pub fn build(b: *Build) !void {
 
     scanner.addSystemProtocol("stable/xdg-shell/xdg-shell.xml");
     scanner.addSystemProtocol("stable/tablet/tablet-v2.xml");
-    scanner.addSystemProtocol("stable/viewporter/viewporter.xml");
     scanner.addSystemProtocol("staging/cursor-shape/cursor-shape-v1.xml");
     scanner.addSystemProtocol("staging/ext-session-lock/ext-session-lock-v1.xml");
-    scanner.addSystemProtocol("staging/single-pixel-buffer/single-pixel-buffer-v1.xml");
     scanner.addSystemProtocol("unstable/pointer-constraints/pointer-constraints-unstable-v1.xml");
     scanner.addSystemProtocol("unstable/pointer-gestures/pointer-gestures-unstable-v1.xml");
     scanner.addSystemProtocol("unstable/xdg-decoration/xdg-decoration-unstable-v1.xml");
@@ -108,8 +106,6 @@ pub fn build(b: *Build) !void {
     scanner.generate("zxdg_decoration_manager_v1", 1);
     scanner.generate("ext_session_lock_manager_v1", 1);
     scanner.generate("wp_cursor_shape_manager_v1", 1);
-    scanner.generate("wp_viewporter", 1);
-    scanner.generate("wp_single_pixel_buffer_manager_v1", 1);
 
     scanner.generate("river_window_manager_v1", 3);
     scanner.generate("river_xkb_bindings_v1", 2);