diff --git a/configure.ac b/configure.ac
index 8192ba6dc..f369cee97 100644
--- a/configure.ac
+++ b/configure.ac
@@ -7078,6 +7078,9 @@ if test "x$ENABLED_LINUXKM" = "xyes"; then
     AC_SUBST([ASFLAGS_FPUSIMD_DISABLE])
     AC_SUBST([ASFLAGS_FPUSIMD_ENABLE])
 
+    if test "$ENABLED_OPENSSLEXTRA" != "no"; then
+        AC_MSG_ERROR([--enable-opensslextra is incompatible with --enable-linuxkm.])
+    fi
     if test "$ENABLED_FILESYSTEM" = "yes"; then
         AC_MSG_ERROR([--enable-filesystem is incompatible with --enable-linuxkm.])
     fi
diff --git a/linuxkm/module_exports.c.template b/linuxkm/module_exports.c.template
index 3e9a938b8..9f5103a50 100644
--- a/linuxkm/module_exports.c.template
+++ b/linuxkm/module_exports.c.template
@@ -171,6 +171,7 @@
 
 #include <wolfssl/certs_test.h>
 
+#ifdef OPENSSL_EXTRA
 #include <wolfssl/openssl/x509_vfy.h>
 #include <wolfssl/openssl/buffer.h>
 #include <wolfssl/openssl/ec25519.h>
@@ -180,4 +181,5 @@
 #include <wolfssl/openssl/ecdsa.h>
 #include <wolfssl/openssl/ecdh.h>
 #include <wolfssl/openssl/pem.h>
+#endif