diff --git a/buffyboard/main.c b/buffyboard/main.c
index f25ded3..65d7629 100644
--- a/buffyboard/main.c
+++ b/buffyboard/main.c
@@ -98,6 +98,7 @@ static int keyboard_height_denominator(int32_t width, int32_t height) {
 }
 
 static void sigaction_handler(int signum) {
+    LV_UNUSED(signum);
     if (resize_terminals) {
         bb_terminal_reset_all();
     }
@@ -105,6 +106,7 @@ static void sigaction_handler(int signum) {
 }
 
 static void terminal_resize_timer_cb(lv_timer_t *timer) {
+    LV_UNUSED(timer);
     if (resize_terminals) {
         bb_terminal_shrink_current();
     }
diff --git a/squeek2lvgl/sq2lv.c b/squeek2lvgl/sq2lv.c
index 30dc9dc..f243588 100644
--- a/squeek2lvgl/sq2lv.c
+++ b/squeek2lvgl/sq2lv.c
@@ -216,7 +216,7 @@ int *sq2lv_get_modifier_indexes(lv_obj_t *keyboard, int *num_modifiers) {
 }
 
 #if SQ2LV_SCANCODES_ENABLED
-const int * const sq2lv_get_scancodes(lv_obj_t *keyboard, uint16_t btn_id, int *num_scancodes) {
+const int *sq2lv_get_scancodes(lv_obj_t *keyboard, uint16_t btn_id, int *num_scancodes) {
     if (current_layout_id < 0 || current_layout_id >= sq2lv_num_layouts) {
         *num_scancodes = 0;
         return NULL;
diff --git a/squeek2lvgl/sq2lv.h b/squeek2lvgl/sq2lv.h
index 0099187..5b3a4da 100644
--- a/squeek2lvgl/sq2lv.h
+++ b/squeek2lvgl/sq2lv.h
@@ -75,7 +75,7 @@ int *sq2lv_get_modifier_indexes(lv_obj_t *keyboard, int *num_modifiers);
  * @param num_scancodes pointer to an integer into which the number of scancodes will be written
  * @return pointer into an array of scancodes at the appropriate index
  */
-const int * const sq2lv_get_scancodes(lv_obj_t *keyboard, uint16_t btn_id, int *num_scancodes);
+const int *sq2lv_get_scancodes(lv_obj_t *keyboard, uint16_t btn_id, int *num_scancodes);
 #endif /* SQ2LV_SCANCODES_ENABLED */
 
 #endif /* SQ2LV_H */
diff --git a/unl0kr/main.c b/unl0kr/main.c
index 74f54a3..85599d1 100644
--- a/unl0kr/main.c
+++ b/unl0kr/main.c
@@ -557,7 +557,7 @@ int main(int argc, char *argv[]) {
     int32_t content_pad_row = 10;
 
     /* Message for a user */
-    lv_obj_t *message_label;
+    lv_obj_t *message_label = NULL;
     if (cli_opts.message) {
         lv_obj_set_style_pad_row(container, content_pad_row, LV_PART_MAIN);
 
diff --git a/unl0kr/unl0kr-agent.c b/unl0kr/unl0kr-agent.c
index 95163bd..9e22274 100644
--- a/unl0kr/unl0kr-agent.c
+++ b/unl0kr/unl0kr-agent.c
@@ -22,6 +22,8 @@
 
 #include <ini.h>
 
+#define UNUSED(x) ((void)x)
+
 struct Request
 {
     uint64_t not_after;
@@ -238,6 +240,7 @@ int process_inotify_events()
 
     assert(ievent1->mask & IN_DELETE_SELF);
     assert(ievent2->mask & IN_IGNORED);
+    UNUSED(ievent2);
 
     assert(read(fd_inotify, buffer, buffer_size) == -1 && errno == EAGAIN); // no more events
     return 0;
@@ -246,7 +249,8 @@ int process_inotify_events()
 void sigalarm(int signo, siginfo_t *info, void *context)
 {
     assert(signo == SIGALRM);
-    (void)(context);
+    UNUSED(signo);
+    UNUSED(context);
 
     if (info->si_code == SI_TIMER) {
         assert(info->si_value.sival_ptr == &id_timer);
@@ -276,7 +280,8 @@ void sigalarm(int signo, siginfo_t *info, void *context)
 void sigchild(int signo, siginfo_t *info, void *context)
 {
     assert(signo == SIGCHLD);
-    (void)(context);
+    UNUSED(signo);
+    UNUSED(context);
 
     if (pid_unl0kr == 0)
         return;