diff --git a/include/pcp/defines.h b/include/pcp/defines.h
index 8895647..08f205a 100644
--- a/include/pcp/defines.h
+++ b/include/pcp/defines.h
@@ -72,7 +72,6 @@ typedef unsigned int    qbyte;          /*   Quad byte = 32 bits */
 #define PCP_ME "Pretty Curved Privacy"
 
 #define PCP_KEY_VERSION 6
-#define PCP_KEY_PRIMITIVE "CURVE25519-ED25519-SALSA20-POLY1305"
 
 typedef enum _ZBEGINS {
   PCP_ENCRYPTED_FILE,