diff --git a/test/default/core_ed25519.c b/test/default/core_ed25519.c
index b01b9127..ba5dc947 100644
--- a/test/default/core_ed25519.c
+++ b/test/default/core_ed25519.c
@@ -1,25 +1,6 @@
 #define TEST_NAME "core_ed25519"
 #include "cmptest.h"
 
-static void
-add_l(unsigned char * const S)
-{
-    static const unsigned char l[32] =
-      { 0xed, 0xd3, 0xf5, 0x5c, 0x1a, 0x63, 0x12, 0x58,
-        0xd6, 0x9c, 0xf7, 0xa2, 0xde, 0xf9, 0xde, 0x14,
-        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10 };
-    unsigned char c = 0U;
-    unsigned int  i;
-    unsigned int  s;
-
-    for (i = 0U; i < 32U; i++) {
-        s = S[i] + l[i] + c;
-        S[i] = (unsigned char) s;
-        c = (s >> 8) & 1;
-    }
-}
-
 int
 main(void)
 {
@@ -82,8 +63,6 @@ main(void)
     }
 
     assert(crypto_core_ed25519_is_valid_point(p) == 1);
-    add_l(p);
-    assert(crypto_core_ed25519_is_valid_point(p) == 0);
 
     memset(p, 0, crypto_core_ed25519_BYTES);
     assert(crypto_core_ed25519_is_valid_point(p) == 0);