diff --git a/src/encrypt.c b/src/encrypt.c
index 23e30007..899cdf7e 100644
--- a/src/encrypt.c
+++ b/src/encrypt.c
@@ -519,13 +519,13 @@ void cipher_context_release(cipher_ctx_t *evp) {
 #endif
 }
 
-int cipher_context_update(cipher_ctx_t *evp, uint8_t *output, int *olen, \
+int cipher_context_update(cipher_ctx_t *evp, uint8_t *output, int *olen,
                           const uint8_t *input, int ilen) {
 #if defined(USE_CRYPTO_OPENSSL)
-        return EVP_CipherUpdate(evp, (uint8_t *) output, (size_t *) olen, \
+        return EVP_CipherUpdate(evp, (uint8_t *) output, olen,
                                 (const uint8_t *) input, (size_t) ilen);
 #elif defined(USE_CRYPTO_POLARSSL)
-        return !cipher_update(evp, (const uint8_t *) input, (size_t) ilen, \
+        return !cipher_update(evp, (const uint8_t *) input, (size_t) ilen,
                               (uint8_t *) output, (size_t *) olen);
 #endif
 }
diff --git a/src/jconf.c b/src/jconf.c
index 72c915af..470bc8cf 100644
--- a/src/jconf.c
+++ b/src/jconf.c
@@ -35,23 +35,6 @@ static char *to_string(const json_value *value)
     return 0;
 }
 
-static int to_int(const json_value *value)
-{
-    if (value->type == json_string)
-    {
-        return atoi(value->u.string.ptr);
-    }
-    else if (value->type == json_integer)
-    {
-        return value->u.integer;
-    }
-    else
-    {
-        FATAL("Invalid config format.");
-    }
-    return 0;
-}
-
 static void parse_addr(const char *str, remote_addr_t *addr) {
     int ret = -1;
     char *pch;
diff --git a/src/udprelay.c b/src/udprelay.c
index 0d5783ee..72f5015e 100644
--- a/src/udprelay.c
+++ b/src/udprelay.c
@@ -302,12 +302,9 @@ void close_and_free_remote(EV_P_ struct remote_ctx *ctx)
 {
     if (ctx != NULL)
     {
-        close(ctx->fd);
         ev_timer_stop(EV_A_ &ctx->watcher);
-        if (ctx->addr_header != NULL)
-        {
-            free(ctx->addr_header);
-        }
+        ev_io_stop(EV_A_ &ctx->io);
+        close(ctx->fd);
         free(ctx);
     }
 }