diff --git a/src/php/README.md b/src/php/README.md
index 757b7e5ee74..f2bf1158154 100644
--- a/src/php/README.md
+++ b/src/php/README.md
@@ -336,7 +336,6 @@ all possible values of the `grpc.grpc.trace` option, please check
 ```
 grpc.grpc_verbosity=debug
 grpc.grpc_trace=all,-polling,-polling_api,-pollable_refcount,-timer,-timer_check
-grpc.log_filename=/var/log/grpc.log
 ```
 
 > Make sure the log file above is writable, by doing the following:
diff --git a/src/php/ext/grpc/php_grpc.c b/src/php/ext/grpc/php_grpc.c
index aa7f48b7298..16b40617e05 100644
--- a/src/php/ext/grpc/php_grpc.c
+++ b/src/php/ext/grpc/php_grpc.c
@@ -90,8 +90,6 @@ ZEND_GET_MODULE(grpc)
                      grpc_verbosity, zend_grpc_globals, grpc_globals)
    STD_PHP_INI_ENTRY("grpc.grpc_trace", NULL, PHP_INI_SYSTEM, OnUpdateString,
                      grpc_trace, zend_grpc_globals, grpc_globals)
-   STD_PHP_INI_ENTRY("grpc.log_filename", NULL, PHP_INI_SYSTEM, OnUpdateString,
-                     log_filename, zend_grpc_globals, grpc_globals)
    PHP_INI_END()
 /* }}} */
 
@@ -249,41 +247,6 @@ void apply_ini_settings(TSRMLS_D) {
   }
 }
 
-// static void custom_logger(gpr_log_func_args* args) {
-//   TSRMLS_FETCH();
-
-//   const char* final_slash;
-//   const char* display_file;
-//   char* prefix;
-//   char* final;
-//   gpr_timespec now = gpr_now(GPR_CLOCK_REALTIME);
-
-//   final_slash = strrchr(args->file, '/');
-//   if (final_slash) {
-//     display_file = final_slash + 1;
-//   } else {
-//     display_file = args->file;
-//   }
-
-//   FILE *fp = fopen(GRPC_G(log_filename), "ab");
-//   if (!fp) {
-//     return;
-//   }
-
-//   gpr_asprintf(&prefix, "%s%" PRId64 ".%09" PRId32 " %s:%d]",
-//                gpr_log_severity_string(args->severity), now.tv_sec,
-//                now.tv_nsec, display_file, args->line);
-
-//   gpr_asprintf(&final, "%-60s %s\n", prefix, args->message);
-
-//   fprintf(fp, "%s", final);
-//   fclose(fp);
-//   gpr_free(prefix);
-//   gpr_free(final);
-// }
-
-/* {{{ PHP_MINIT_FUNCTION
- */
 PHP_MINIT_FUNCTION(grpc) {
   REGISTER_INI_ENTRIES();
 
@@ -613,7 +576,6 @@ static PHP_GINIT_FUNCTION(grpc) {
   grpc_globals->poll_strategy = NULL;
   grpc_globals->grpc_verbosity = NULL;
   grpc_globals->grpc_trace = NULL;
-  grpc_globals->log_filename = NULL;
 }
 /* }}} */