diff --git a/espanso-clipboard/build.rs b/espanso-clipboard/build.rs
index 572013c..2c105a8 100644
--- a/espanso-clipboard/build.rs
+++ b/espanso-clipboard/build.rs
@@ -40,11 +40,8 @@ fn cc_config() {
     println!("cargo:rerun-if-changed=src/x11/native/native.c");
     cc::Build::new()
       .cpp(true)
-      .include("src/x11/native/clip/clip.h")
-      .include("src/x11/native/clip/clip_common.h")
-      .include("src/x11/native/clip/clip_lock_impl.h")
-      .include("src/x11/native/clip/clip_x11_png.h")
-      .include("src/x11/native/native.h")
+      .include("src/x11/native/clip")
+      .include("src/x11/native")
       .file("src/x11/native/clip/clip.cpp")
       .file("src/x11/native/clip/clip_x11.cpp")
       .file("src/x11/native/clip/image.cpp")
diff --git a/espanso-clipboard/src/x11/native/clip/clip_x11.cpp b/espanso-clipboard/src/x11/native/clip/clip_x11.cpp
index bfcba15..563244c 100644
--- a/espanso-clipboard/src/x11/native/clip/clip_x11.cpp
+++ b/espanso-clipboard/src/x11/native/clip/clip_x11.cpp
@@ -691,7 +691,7 @@ private:
 
   // Calls the current m_callback() to handle the clipboard content
   // received from the owner.
-  void call_callback(xcb_get_property_reply_t* reply) {
+  void call_callback(__attribute__((unused)) xcb_get_property_reply_t* reply) {
     m_callback_result = false;
     if (m_callback)
       m_callback_result = m_callback();
@@ -918,7 +918,7 @@ private:
       return 0;
   }
 
-  void encode_data_on_demand(std::pair<const xcb_atom_t, buffer_ptr>& e) {
+  void encode_data_on_demand(__attribute__((unused)) std::pair<const xcb_atom_t, buffer_ptr>& e) {
 #ifdef HAVE_PNG_H
     if (e.first == get_atom(MIME_IMAGE_PNG)) {
       assert(m_image.is_valid());