1 files changed, 0 insertions, 20 deletions
diff --git a/crypto/async/arch/async_null.c b/crypto/async/arch/async_null.c
index 2b1d28eaf3..03f8ebfa10 100644
--- a/crypto/async/arch/async_null.c
+++ b/crypto/async/arch/async_null.c
@@ -55,26 +55,6 @@
 
 #ifdef ASYNC_NULL
 
-int async_pipe(OSSL_ASYNC_FD *pipefds)
-{
-    return -1;
-}
-
-int async_close_fd(OSSL_ASYNC_FD fd)
-{
-    return 0;
-}
-
-int async_write1(OSSL_ASYNC_FD fd, const void *buf)
-{
-    return -1;
-}
-
-int async_read1(OSSL_ASYNC_FD fd, void *buf)
-{
-    return -1;
-}
-
 int async_global_init(void)
 {
     return 0;