diff --git a/engines/e_aep.c b/engines/e_aep.c
index d7f89e515..1953f0643 100644
--- a/engines/e_aep.c
+++ b/engines/e_aep.c
@@ -85,7 +85,6 @@ extern int GetThreadID(void);
 #ifndef OPENSSL_NO_DH
 #include <openssl/dh.h>
 #endif
-#include <openssl/bn.h>
 
 #ifndef OPENSSL_NO_HW
 #ifndef OPENSSL_NO_HW_AEP