diff --git a/library/ssl_cli.c b/library/ssl_cli.c
index 4b151f5..2f29ede 100644
--- a/library/ssl_cli.c
+++ b/library/ssl_cli.c
@@ -19,9 +19,7 @@
 
 #include "common.h"
 
-#if defined(MBEDTLS_SSL_CLI_C)
-
-#if defined(MBEDTLS_SSL_PROTO_TLS1_2)
+#if defined(MBEDTLS_SSL_CLI_C) && defined(MBEDTLS_SSL_PROTO_TLS1_2)
 
 #if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
@@ -4056,6 +4054,4 @@
     return( ret );
 }
 
-#endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
-
-#endif /* MBEDTLS_SSL_CLI_C */
+#endif /* MBEDTLS_SSL_CLI_C && MBEDTLS_SSL_PROTO_TLS1_2 */
diff --git a/library/ssl_srv.c b/library/ssl_srv.c
index c8f0e7f..61c3e6a 100644
--- a/library/ssl_srv.c
+++ b/library/ssl_srv.c
@@ -19,9 +19,7 @@
 
 #include "common.h"
 
-#if defined(MBEDTLS_SSL_SRV_C)
-
-#if defined(MBEDTLS_SSL_PROTO_TLS1_2)
+#if defined(MBEDTLS_SSL_SRV_C) && defined(MBEDTLS_SSL_PROTO_TLS1_2)
 
 #if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
@@ -4408,6 +4406,4 @@
     conf->respect_cli_pref = order;
 }
 
-#endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
-
-#endif /* MBEDTLS_SSL_SRV_C */
+#endif /* MBEDTLS_SSL_SRV_C && MBEDTLS_SSL_PROTO_TLS1_2 */
diff --git a/library/ssl_tls13_client.c b/library/ssl_tls13_client.c
index f556c0f..d599ef3 100644
--- a/library/ssl_tls13_client.c
+++ b/library/ssl_tls13_client.c
@@ -21,9 +21,7 @@
 
 #include "common.h"
 
-#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
-
-#if defined(MBEDTLS_SSL_CLI_C)
+#if defined(MBEDTLS_SSL_CLI_C) &&defined(MBEDTLS_SSL_PROTO_TLS1_3)
 
 #include <string.h>
 
@@ -2059,6 +2057,6 @@
     return( ret );
 }
 
-#endif /* MBEDTLS_SSL_CLI_C */
+#endif /* MBEDTLS_SSL_CLI_C && MBEDTLS_SSL_PROTO_TLS1_3 */
 
-#endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
+
diff --git a/library/ssl_tls13_generic.c b/library/ssl_tls13_generic.c
index 1ad03a9..d1646eb 100644
--- a/library/ssl_tls13_generic.c
+++ b/library/ssl_tls13_generic.c
@@ -19,9 +19,7 @@
 
 #include "common.h"
 
-#if defined(MBEDTLS_SSL_TLS_C)
-
-#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
+#if defined(MBEDTLS_SSL_TLS_C) && defined(MBEDTLS_SSL_PROTO_TLS1_3)
 
 #include <string.h>
 
@@ -1276,6 +1274,4 @@
     return( ret );
 }
 
-#endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
-
-#endif /* MBEDTLS_SSL_TLS_C */
+#endif /* MBEDTLS_SSL_TLS_C && MBEDTLS_SSL_PROTO_TLS1_3 */
diff --git a/library/ssl_tls13_server.c b/library/ssl_tls13_server.c
index 5e74083..b5f3ad7 100644
--- a/library/ssl_tls13_server.c
+++ b/library/ssl_tls13_server.c
@@ -19,9 +19,7 @@
 
 #include "common.h"
 
-#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
-
-#if defined(MBEDTLS_SSL_SRV_C)
+#if defined(MBEDTLS_SSL_SRV_C) && defined(MBEDTLS_SSL_PROTO_TLS1_3)
 
 #include "mbedtls/debug.h"
 
@@ -38,6 +36,4 @@
     return( MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE );
 }
 
-#endif /* MBEDTLS_SSL_SRV_C */
-
-#endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
+#endif /* MBEDTLS_SSL_SRV_C && MBEDTLS_SSL_PROTO_TLS1_3 */