diff --git a/src/http.c b/src/http.c
index bd08562..3a3592c 100644
--- a/src/http.c
+++ b/src/http.c
@@ -327,10 +327,12 @@ static int op_poll_win32(struct pollfd *_fds,nfds_t _nfds,int _timeout){
 typedef ptrdiff_t ssize_t;
 #  endif
 
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
 /*Load certificates from the built-in certificate store.*/
 int SSL_CTX_set_default_verify_paths_win32(SSL_CTX *_ssl_ctx);
 #  define SSL_CTX_set_default_verify_paths \
  SSL_CTX_set_default_verify_paths_win32
+#endif
 
 # else
 /*Normal Berkeley sockets.*/
diff --git a/src/wincerts.c b/src/wincerts.c
index 409a4e0..c355952 100644
--- a/src/wincerts.c
+++ b/src/wincerts.c
@@ -33,6 +33,8 @@
 # include <openssl/err.h>
 # include <openssl/x509.h>
 
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
+
 static int op_capi_new(X509_LOOKUP *_lu){
   HCERTSTORE h_store;
   h_store=CertOpenStore(CERT_STORE_PROV_SYSTEM_A,0,0,
@@ -171,3 +173,4 @@ int SSL_CTX_set_default_verify_paths_win32(SSL_CTX *_ssl_ctx){
 }
 
 #endif
+#endif