diff --git a/include/zephyr/posix/signal.h b/include/zephyr/posix/signal.h
new file mode 100644
index 0000000000000..7c8a992c12f2d
--- /dev/null
+++ b/include/zephyr/posix/signal.h
@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2025 Space Cubics
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#ifndef ZEPHYR_INCLUDE_POSIX_SIGNAL_H_
+#define ZEPHYR_INCLUDE_POSIX_SIGNAL_H_
+
+# warning "Since Zephyr v4.3, don't use <zephyr/posix/signal.h> directly; include <signal.h> instead."
+#include_next <signal.h>
+
+#endif /* ZEPHYR_INCLUDE_POSIX_SIGNAL_H_ */
diff --git a/include/zephyr/posix/time.h b/include/zephyr/posix/time.h
new file mode 100644
index 0000000000000..a9c76ceaf1822
--- /dev/null
+++ b/include/zephyr/posix/time.h
@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2025 Space Cubics
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#ifndef ZEPHYR_INCLUDE_POSIX_TIME_H_
+#define ZEPHYR_INCLUDE_POSIX_TIME_H_
+
+# warning "Since Zephyr v4.3, don't use <zephyr/posix/time.h> directly; include <time.h> instead."
+#include_next <time.h>
+
+#endif /* ZEPHYR_INCLUDE_POSIX_TIME_H_ */