diff --git a/sys/opencrypto/cryptodev.h b/sys/opencrypto/cryptodev.h
--- a/sys/opencrypto/cryptodev.h
+++ b/sys/opencrypto/cryptodev.h
@@ -70,6 +70,8 @@
 #ifdef _KERNEL
 #include <opencrypto/_cryptodev.h>
 #include <sys/_task.h>
+#include <sys/libkern.h>
+#include <sys/time.h>
 #endif
 
 /* Some initial values */
@@ -603,7 +605,9 @@
 const struct auth_hash *crypto_auth_hash(const struct crypto_session_params *csp);
 const struct enc_xform *crypto_cipher(const struct crypto_session_params *csp);
 
+#ifdef MALLOC_DECLARE
 MALLOC_DECLARE(M_CRYPTO_DATA);
+#endif
 
 int	crypto_newsession(crypto_session_t *cses,
     const struct crypto_session_params *params, int crid);