--- a/src/event/ngx_event_openssl.c
+++ b/src/event/ngx_event_openssl.c
@@ -164,7 +164,6 @@ ngx_ssl_init(ngx_log_t *log)
 
 #endif
 
-#if OPENSSL_VERSION_NUMBER >= 0x0090800fL
 #ifndef SSL_OP_NO_COMPRESSION
     {
     /*
@@ -182,7 +181,6 @@ ngx_ssl_init(ngx_log_t *log)
     }
     }
 #endif
-#endif
 
     ngx_ssl_connection_index = SSL_get_ex_new_index(0, NULL, NULL, NULL, NULL);
 
@@ -904,13 +902,6 @@ ngx_ssl_client_certificate(ngx_conf_t *c
         return NGX_ERROR;
     }
 
-    /*
-     * before 0.9.7h and 0.9.8 SSL_load_client_CA_file()
-     * always leaved an error in the error queue
-     */
-
-    ERR_clear_error();
-
     SSL_CTX_set_client_CA_list(ssl->ctx, list);
 
     return NGX_OK;
@@ -1076,8 +1067,8 @@ ngx_ssl_info_callback(const ngx_ssl_conn
              * added to wbio, and set buffer size.
              */
 
-            rbio = SSL_get_rbio((ngx_ssl_conn_t *) ssl_conn);
-            wbio = SSL_get_wbio((ngx_ssl_conn_t *) ssl_conn);
+            rbio = SSL_get_rbio(ssl_conn);
+            wbio = SSL_get_wbio(ssl_conn);
 
             if (rbio != wbio) {
                 (void) BIO_set_write_buffer_size(wbio, NGX_SSL_BUFSIZE);
@@ -1360,7 +1351,6 @@ ngx_ssl_dhparam(ngx_conf_t *cf, ngx_ssl_
 ngx_int_t
 ngx_ssl_ecdh_curve(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *name)
 {
-#if OPENSSL_VERSION_NUMBER >= 0x0090800fL
 #ifndef OPENSSL_NO_ECDH
 
     /*
@@ -1435,7 +1425,6 @@ ngx_ssl_ecdh_curve(ngx_conf_t *cf, ngx_s
     EC_KEY_free(ecdh);
 #endif
 #endif
-#endif
 
     return NGX_OK;
 }
@@ -3364,17 +3353,8 @@ ngx_ssl_new_session(ngx_ssl_conn_t *ssl_
         }
     }
 
-#if OPENSSL_VERSION_NUMBER >= 0x0090800fL
-
     session_id = (u_char *) SSL_SESSION_get_id(sess, &session_id_length);
 
-#else
-
-    session_id = sess->session_id;
-    session_id_length = sess->session_id_length;
-
-#endif
-
 #if (NGX_PTR_SIZE == 8)
 
     id = sess_id->sess_id;
@@ -3450,13 +3430,10 @@ ngx_ssl_get_cached_session(ngx_ssl_conn_
 #endif
     u_char *id, int len, int *copy)
 {
-#if OPENSSL_VERSION_NUMBER >= 0x0090707fL
-    const
-#endif
-    u_char                   *p;
     size_t                    slen;
     uint32_t                  hash;
     ngx_int_t                 rc;
+    const u_char             *p;
     ngx_shm_zone_t           *shm_zone;
     ngx_slab_pool_t          *shpool;
     ngx_rbtree_node_t        *node, *sentinel;
@@ -3578,17 +3555,8 @@ ngx_ssl_remove_session(SSL_CTX *ssl, ngx
 
     cache = shm_zone->data;
 
-#if OPENSSL_VERSION_NUMBER >= 0x0090800fL
-
     id = (u_char *) SSL_SESSION_get_id(sess, &len);
 
-#else
-
-    id = sess->session_id;
-    len = sess->session_id_length;
-
-#endif
-
     hash = ngx_crc32_short(id, len);
 
     ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ngx_cycle->log, 0,
@@ -4387,17 +4355,8 @@ ngx_ssl_get_session_id(ngx_connection_t 
         return NGX_OK;
     }
 
-#if OPENSSL_VERSION_NUMBER >= 0x0090800fL
-
     buf = (u_char *) SSL_SESSION_get_id(sess, &len);
 
-#else
-
-    buf = sess->session_id;
-    len = sess->session_id_length;
-
-#endif
-
     s->len = 2 * len;
     s->data = ngx_pnalloc(pool, 2 * len);
     if (s->data == NULL) {