# define OSSL_LIB_CTX_DRBG_INDEX 5
# define OSSL_LIB_CTX_DRBG_NONCE_INDEX 6
# define OSSL_LIB_CTX_RAND_CRNGT_INDEX 7
-# define OSSL_LIB_CTX_THREAD_EVENT_HANDLER_INDEX 8
+# ifdef FIPS_MODULE
+# define OSSL_LIB_CTX_THREAD_EVENT_HANDLER_INDEX 8
+# endif
# define OSSL_LIB_CTX_FIPS_PROV_INDEX 9
# define OSSL_LIB_CTX_ENCODER_STORE_INDEX 10
# define OSSL_LIB_CTX_DECODER_STORE_INDEX 11