diff -urN libp11-0.4.11.orig/src/p11_pkey.c libp11-0.4.11/src/p11_pkey.c
--- libp11-0.4.11.orig/src/p11_pkey.c	2022-04-03 22:46:06.258227409 +0200
+++ libp11-0.4.11/src/p11_pkey.c	2022-04-03 22:47:56.740220036 +0200
@@ -79,7 +79,7 @@
 #define EVP_PKEY_FLAG_DYNAMIC 1
 #endif
 
-#if OPENSSL_VERSION_NUMBER < 0x10002000L || defined(LIBRESSL_VERSION_NUMBER)
+#if OPENSSL_VERSION_NUMBER < 0x10002000L
 
 typedef struct {
 	int nbits;
@@ -94,7 +94,7 @@
 
 #endif
 
-#if OPENSSL_VERSION_NUMBER < 0x10002000L || ( defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x3000100L )
+#if OPENSSL_VERSION_NUMBER < 0x10002000L
 
 static int EVP_PKEY_CTX_get_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD **pmd)
 {
@@ -107,7 +107,7 @@
 
 #endif
 
-#if OPENSSL_VERSION_NUMBER < 0x10002000L || ( defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x3010000L )
+#if OPENSSL_VERSION_NUMBER < 0x10002000L
 
 static int EVP_PKEY_CTX_get_rsa_oaep_md(EVP_PKEY_CTX *ctx, const EVP_MD **pmd)
 {
@@ -621,7 +621,7 @@
 		BIGNUM *r = BN_bin2bn(sig, size/2, NULL);
 		BIGNUM *s = BN_bin2bn(sig + size/2, size/2, NULL);
 
-#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER)
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
 		ECDSA_SIG_set0(ossl_sig, r, s);
 #else
 		BN_free(ossl_sig->r);