diff --git a/library/ssl_msg.c b/library/ssl_msg.c
index 1d314c2..2359cfe 100644
--- a/library/ssl_msg.c
+++ b/library/ssl_msg.c
@@ -643,28 +643,19 @@
             return( MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL );
         }
 #if defined(MBEDTLS_SSL_PROTO_TLS1_2)
-        if( transform->minor_ver >= MBEDTLS_SSL_MINOR_VERSION_3 )
-        {
-            unsigned char mac[MBEDTLS_SSL_MAC_ADD];
+        unsigned char mac[MBEDTLS_SSL_MAC_ADD];
 
-            ssl_extract_add_data_from_record( add_data, &add_data_len, rec,
-                                              transform->minor_ver );
+        ssl_extract_add_data_from_record( add_data, &add_data_len, rec,
+                                          transform->minor_ver );
 
-            mbedtls_md_hmac_update( &transform->md_ctx_enc, add_data,
-                                    add_data_len );
-            mbedtls_md_hmac_update( &transform->md_ctx_enc,
-                                    data, rec->data_len );
-            mbedtls_md_hmac_finish( &transform->md_ctx_enc, mac );
-            mbedtls_md_hmac_reset( &transform->md_ctx_enc );
+        mbedtls_md_hmac_update( &transform->md_ctx_enc, add_data,
+                                add_data_len );
+        mbedtls_md_hmac_update( &transform->md_ctx_enc, data, rec->data_len );
+        mbedtls_md_hmac_finish( &transform->md_ctx_enc, mac );
+        mbedtls_md_hmac_reset( &transform->md_ctx_enc );
 
-            memcpy( data + rec->data_len, mac, transform->maclen );
-        }
-        else
+        memcpy( data + rec->data_len, mac, transform->maclen );
 #endif
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
-            return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
-        }
 
         MBEDTLS_SSL_DEBUG_BUF( 4, "computed mac", data + rec->data_len,
                                transform->maclen );
@@ -837,31 +828,26 @@
          * Prepend per-record IV for block cipher in TLS v1.2 as per
          * Method 1 (6.2.3.2. in RFC4346 and RFC5246)
          */
-        if( transform->minor_ver >= MBEDTLS_SSL_MINOR_VERSION_3 )
+        if( f_rng == NULL )
         {
-            if( f_rng == NULL )
-            {
-                MBEDTLS_SSL_DEBUG_MSG( 1, ( "No PRNG provided to encrypt_record routine" ) );
-                return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
-            }
-
-            if( rec->data_offset < transform->ivlen )
-            {
-                MBEDTLS_SSL_DEBUG_MSG( 1, ( "Buffer provided for encrypted record not large enough" ) );
-                return( MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL );
-            }
-
-            /*
-             * Generate IV
-             */
-            ret = f_rng( p_rng, transform->iv_enc, transform->ivlen );
-            if( ret != 0 )
-                return( ret );
-
-            memcpy( data - transform->ivlen, transform->iv_enc,
-                    transform->ivlen );
-
+            MBEDTLS_SSL_DEBUG_MSG( 1, ( "No PRNG provided to encrypt_record routine" ) );
+            return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
         }
+
+        if( rec->data_offset < transform->ivlen )
+        {
+            MBEDTLS_SSL_DEBUG_MSG( 1, ( "Buffer provided for encrypted record not large enough" ) );
+            return( MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL );
+        }
+
+        /*
+         * Generate IV
+         */
+        ret = f_rng( p_rng, transform->iv_enc, transform->ivlen );
+        if( ret != 0 )
+            return( ret );
+
+        memcpy( data - transform->ivlen, transform->iv_enc, transform->ivlen );
 #endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
 
         MBEDTLS_SSL_DEBUG_MSG( 3, ( "before encrypt: msglen = %" MBEDTLS_PRINTF_SIZET ", "
@@ -1369,11 +1355,8 @@
          * Check immediate ciphertext sanity
          */
 #if defined(MBEDTLS_SSL_PROTO_TLS1_2)
-        if( transform->minor_ver >= MBEDTLS_SSL_MINOR_VERSION_3 )
-        {
-            /* The ciphertext is prefixed with the CBC IV. */
-            minlen += transform->ivlen;
-        }
+        /* The ciphertext is prefixed with the CBC IV. */
+        minlen += transform->ivlen;
 #endif
 
         /* Size considerations:
@@ -1478,15 +1461,12 @@
         /*
          * Initialize for prepended IV for block cipher in TLS v1.2
          */
-        if( transform->minor_ver >= MBEDTLS_SSL_MINOR_VERSION_3 )
-        {
-            /* Safe because data_len >= minlen + ivlen = 2 * ivlen. */
-            memcpy( transform->iv_dec, data, transform->ivlen );
+        /* Safe because data_len >= minlen + ivlen = 2 * ivlen. */
+        memcpy( transform->iv_dec, data, transform->ivlen );
 
-            data += transform->ivlen;
-            rec->data_offset += transform->ivlen;
-            rec->data_len -= transform->ivlen;
-        }
+        data += transform->ivlen;
+        rec->data_offset += transform->ivlen;
+        rec->data_len -= transform->ivlen;
 #endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
 
         /* We still have data_len % ivlen == 0 and data_len >= ivlen here. */
@@ -5026,8 +5006,7 @@
             /* For TLS 1.2 or higher, an explicit IV is added
              * after the record header. */
 #if defined(MBEDTLS_SSL_PROTO_TLS1_2)
-            if( ssl->minor_ver >= MBEDTLS_SSL_MINOR_VERSION_3 )
-                transform_expansion += block_size;
+            transform_expansion += block_size;
 #endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
 
             break;
@@ -5169,21 +5148,13 @@
         MBEDTLS_SSL_DEBUG_MSG( 3, ( "refusing renegotiation, sending alert" ) );
 
 #if defined(MBEDTLS_SSL_PROTO_TLS1_2)
-        if( ssl->minor_ver >= MBEDTLS_SSL_MINOR_VERSION_3 )
+        if( ( ret = mbedtls_ssl_send_alert_message( ssl,
+                         MBEDTLS_SSL_ALERT_LEVEL_WARNING,
+                         MBEDTLS_SSL_ALERT_MSG_NO_RENEGOTIATION ) ) != 0 )
         {
-            if( ( ret = mbedtls_ssl_send_alert_message( ssl,
-                             MBEDTLS_SSL_ALERT_LEVEL_WARNING,
-                             MBEDTLS_SSL_ALERT_MSG_NO_RENEGOTIATION ) ) != 0 )
-            {
-                return( ret );
-            }
+            return( ret );
         }
-        else
 #endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
-            return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
-        }
     }
 
     return( 0 );
@@ -5607,7 +5578,7 @@
 #if defined(MBEDTLS_SSL_PROTO_DTLS)
     if( transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
     {
-        if( minor == MBEDTLS_SSL_MINOR_VERSION_3 - 1 )
+        if( minor == MBEDTLS_SSL_MINOR_VERSION_2 )
             --minor; /* DTLS 1.0 stored as TLS 1.1 internally */
 
         ver[0] = (unsigned char)( 255 - ( major - 2 ) );
@@ -5632,7 +5603,7 @@
         *major = 255 - ver[0] + 2;
         *minor = 255 - ver[1] + 1;
 
-        if( *minor == MBEDTLS_SSL_MINOR_VERSION_3 - 2 )
+        if( *minor == MBEDTLS_SSL_MINOR_VERSION_1 )
             ++*minor; /* DTLS 1.0 stored as TLS 1.1 internally */
     }
     else