diff --git a/t_cose_encrypt_decrypt_test.h b/t_cose_encrypt_decrypt_test.h
deleted file mode 100644
index e9e07aac..00000000
--- a/t_cose_encrypt_decrypt_test.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/*
- * t_cose_encrypt_decrypt_test.h
- *
- * Copyright 2023, Laurence Lundblade
- * Created by Laurence Lundblade on 2/26/23.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- *
- */
-
-#ifndef t_cose_encrypt_decrypt_test_h
-#define t_cose_encrypt_decrypt_test_h
-
-#include <stdint.h>
-
-int32_t base_encrypt_decrypt_test(void);
-
-int32_t dec_fixed(void);
-
-
-#endif /* t_cose_encrypt_decrypt_test_h */
diff --git a/test/t_cose_encrypt_decrypt_test.h b/test/t_cose_encrypt_decrypt_test.h
index 29b25806..e9e07aac 100644
--- a/test/t_cose_encrypt_decrypt_test.h
+++ b/test/t_cose_encrypt_decrypt_test.h
@@ -15,4 +15,7 @@
 
 int32_t base_encrypt_decrypt_test(void);
 
+int32_t dec_fixed(void);
+
+
 #endif /* t_cose_encrypt_decrypt_test_h */