diff --git a/crypto/bio/connect.c b/crypto/bio/connect.c
index 0b60f6a9..604803ac 100644
--- a/crypto/bio/connect.c
+++ b/crypto/bio/connect.c
@@ -56,6 +56,8 @@
 
 #include <openssl/bio.h>
 
+#if !defined(OPENSSL_TRUSTY)
+
 #include <assert.h>
 #include <errno.h>
 #include <string.h>
@@ -540,3 +542,5 @@ int BIO_set_nbio(BIO *bio, int on) {
 int BIO_do_connect(BIO *bio) {
   return BIO_ctrl(bio, BIO_C_DO_STATE_MACHINE, 0, NULL);
 }
+
+#endif  // OPENSSL_TRUSTY
diff --git a/crypto/bio/fd.c b/crypto/bio/fd.c
index fed5228f..877f53d1 100644
--- a/crypto/bio/fd.c
+++ b/crypto/bio/fd.c
@@ -56,6 +56,8 @@
 
 #include <openssl/bio.h>
 
+#if !defined(OPENSSL_TRUSTY)
+
 #include <errno.h>
 #include <string.h>
 
@@ -274,3 +276,5 @@ int BIO_set_fd(BIO *bio, int fd, int close_flag) {
 int BIO_get_fd(BIO *bio, int *out_fd) {
   return BIO_ctrl(bio, BIO_C_GET_FD, 0, (char *) out_fd);
 }
+
+#endif  // OPENSSL_TRUSTY
diff --git a/crypto/bio/file.c b/crypto/bio/file.c
index f61dbe4f..6a0b9a99 100644
--- a/crypto/bio/file.c
+++ b/crypto/bio/file.c
@@ -73,6 +73,8 @@
 
 #include <openssl/bio.h>
 
+#if !defined(OPENSSL_TRUSTY)
+
 #include <errno.h>
 #include <stdio.h>
 #include <string.h>
@@ -313,3 +315,5 @@ int BIO_rw_filename(BIO *bio, const char *filename) {
   return BIO_ctrl(bio, BIO_C_SET_FILENAME,
                   BIO_CLOSE | BIO_FP_READ | BIO_FP_WRITE, (char *)filename);
 }
+
+#endif  // OPENSSL_TRUSTY
diff --git a/crypto/bio/socket.c b/crypto/bio/socket.c
index 111761fa..081ce010 100644
--- a/crypto/bio/socket.c
+++ b/crypto/bio/socket.c
@@ -57,6 +57,8 @@
 
 #include <openssl/bio.h>
 
+#if !defined(OPENSSL_TRUSTY)
+
 #include <fcntl.h>
 #include <string.h>
 
@@ -200,3 +202,5 @@ BIO *BIO_new_socket(int fd, int close_flag) {
   BIO_set_fd(ret, fd, close_flag);
   return ret;
 }
+
+#endif  // OPENSSL_TRUSTY
diff --git a/crypto/bio/socket_helper.c b/crypto/bio/socket_helper.c
index 268405a6..d4209d0f 100644
--- a/crypto/bio/socket_helper.c
+++ b/crypto/bio/socket_helper.c
@@ -18,6 +18,8 @@
 #include <openssl/bio.h>
 #include <openssl/err.h>
 
+#if !defined(OPENSSL_TRUSTY)
+
 #include <fcntl.h>
 #include <string.h>
 #include <sys/types.h>
@@ -112,3 +114,5 @@ int bio_sock_error(int sock) {
   }
   return error;
 }
+
+#endif  // OPENSSL_TRUSTY
diff --git a/crypto/x509/by_dir.c b/crypto/x509/by_dir.c
index b3bfffeb..9a0e2ebc 100644
--- a/crypto/x509/by_dir.c
+++ b/crypto/x509/by_dir.c
@@ -65,6 +65,8 @@
 #include <openssl/thread.h>
 #include <openssl/x509.h>
 
+#if !defined(OPENSSL_TRUSTY)
+
 #include "../internal.h"
 
 typedef struct lookup_dir_hashes_st {
@@ -452,3 +454,5 @@ static int get_cert_by_subject(X509_LOOKUP *xl, int type, X509_NAME *name,
         BUF_MEM_free(b);
     return (ok);
 }
+
+#endif  // OPENSSL_TRUSTY