diff --git a/sys/opencrypto/xform.h b/sys/opencrypto/xform.h
--- a/sys/opencrypto/xform.h
+++ b/sys/opencrypto/xform.h
@@ -42,8 +42,4 @@
 #include <opencrypto/xform_comp.h>
 #include <opencrypto/xform_enc.h>
 
-#ifdef _KERNEL
-#include <sys/malloc.h>
-MALLOC_DECLARE(M_XDATA);
-#endif
 #endif /* _CRYPTO_XFORM_H_ */
diff --git a/sys/opencrypto/xform.c b/sys/opencrypto/xform.c
--- a/sys/opencrypto/xform.c
+++ b/sys/opencrypto/xform.c
@@ -69,8 +69,6 @@
 #include <opencrypto/cryptodev.h>
 #include <opencrypto/xform.h>
 
-MALLOC_DEFINE(M_XDATA, "xform", "xform data buffers");
-
 /* Include the encryption algorithms */
 #include "xform_null.c"
 #include "xform_aes_cbc.c"