diff --git a/scripts/generator-internals.c b/scripts/generator-internals.c
index 00a15e547..5acc96971 100644
--- a/scripts/generator-internals.c
+++ b/scripts/generator-internals.c
@@ -42,18 +42,18 @@ static bool _open_child(struct child_process *child, const char *cmd, const char
 
 	child->pid = fork();
 	if (child->pid < 0) {
-		close(pipe_fd[0]);
-		close(pipe_fd[1]);
+		(void) close(pipe_fd[0]);
+		(void) close(pipe_fd[1]);
 		_error("call to fork() failed: %d\n", r);
 		return false;
 	}
 
 	if (child->pid == 0) {
 		// child
-		close(pipe_fd[0]);
+		(void) close(pipe_fd[0]);
 		if (pipe_fd[1] != STDOUT_FILENO) {
-			dup2(pipe_fd[1], STDOUT_FILENO);
-			close(pipe_fd[1]);
+			(void) dup2(pipe_fd[1], STDOUT_FILENO);
+			(void) close(pipe_fd[1]);
 		}
 
 		if (execv(cmd, (char *const *) argv) < 0)
@@ -62,7 +62,7 @@ static bool _open_child(struct child_process *child, const char *cmd, const char
 		exit(1);
 	} else {
 		// parent
-		close(pipe_fd[1]);
+		(void) close(pipe_fd[1]);
 		child->fp = fdopen(pipe_fd[0], "r");
 		if (!child->fp) {
 			_error("call to fdopen() failed\n");
@@ -78,7 +78,7 @@ static bool _close_child(struct child_process *child)
 {
 	int status;
 
-	fclose(child->fp);
+	(void) fclose(child->fp);
 
 	while (waitpid(child->pid, &status, 0) < 0)
 		if (errno != EINTR)