diff --git a/manager/json-parser.hpp b/manager/json-parser.hpp
index 0846a03..d7043be 100644
--- a/manager/json-parser.hpp
+++ b/manager/json-parser.hpp
@@ -133,7 +133,7 @@
  *
  *  @return phosphor::led::GroupMap
  */
-const phosphor::led::GroupMap loadJsonConfigV1(const Json& json)
+phosphor::led::GroupMap loadJsonConfigV1(const Json& json)
 {
     phosphor::led::GroupMap ledMap{};
 
@@ -153,7 +153,7 @@
  *
  *  @return phosphor::led::GroupMap
  */
-const phosphor::led::GroupMap loadJsonConfig(const fs::path& path)
+phosphor::led::GroupMap loadJsonConfig(const fs::path& path)
 {
     auto json = readJson(path);
 
@@ -180,7 +180,7 @@
  *  @note if config is an empty string, daemon will interrogate dbus for
  *        compatible strings.
  */
-const phosphor::led::GroupMap getSystemLedMap(fs::path config)
+phosphor::led::GroupMap getSystemLedMap(fs::path config)
 {
     if (config.empty())
     {