diff --git a/dbus/dbuspassive.cpp b/dbus/dbuspassive.cpp
index c350ea3..7e86790 100644
--- a/dbus/dbuspassive.cpp
+++ b/dbus/dbuspassive.cpp
@@ -32,7 +32,7 @@
     {
         return nullptr;
     }
-    if (!ValidType(type))
+    if (!validType(type))
     {
         return nullptr;
     }
@@ -43,13 +43,13 @@
 DbusPassive::DbusPassive(sdbusplus::bus::bus& bus, const std::string& type,
                          const std::string& id, DbusHelperInterface* helper) :
     ReadInterface(),
-    _bus(bus), _signal(bus, GetMatch(type, id).c_str(), DbusHandleSignal, this),
+    _bus(bus), _signal(bus, getMatch(type, id).c_str(), dbusHandleSignal, this),
     _id(id), _helper(helper)
 {
     /* Need to get the scale and initial value */
     auto tempBus = sdbusplus::bus::new_default();
     /* service == busname */
-    std::string path = GetSensorPath(type, id);
+    std::string path = getSensorPath(type, id);
 
     /* getService can except, should this be in the factory? */
     std::string service = _helper->getService(tempBus, sensorintf, path);
@@ -100,7 +100,7 @@
     return _id;
 }
 
-int HandleSensorValue(sdbusplus::message::message& msg, DbusPassive* owner)
+int handleSensorValue(sdbusplus::message::message& msg, DbusPassive* owner)
 {
     std::string msgSensor;
     std::map<std::string, sdbusplus::message::variant<int64_t, double, bool>>
@@ -151,10 +151,10 @@
     return 0;
 }
 
-int DbusHandleSignal(sd_bus_message* msg, void* usrData, sd_bus_error* err)
+int dbusHandleSignal(sd_bus_message* msg, void* usrData, sd_bus_error* err)
 {
     auto sdbpMsg = sdbusplus::message::message(msg);
     DbusPassive* obj = static_cast<DbusPassive*>(usrData);
 
-    return HandleSensorValue(sdbpMsg, obj);
+    return handleSensorValue(sdbpMsg, obj);
 }
diff --git a/dbus/dbuspassive.hpp b/dbus/dbuspassive.hpp
index 801722d..02e395c 100644
--- a/dbus/dbuspassive.hpp
+++ b/dbus/dbuspassive.hpp
@@ -17,7 +17,7 @@
 #include <tuple>
 #include <vector>
 
-int DbusHandleSignal(sd_bus_message* msg, void* data, sd_bus_error* err);
+int dbusHandleSignal(sd_bus_message* msg, void* data, sd_bus_error* err);
 
 /*
  * This ReadInterface will passively listen for Value updates from whomever
@@ -62,4 +62,4 @@
     std::chrono::high_resolution_clock::time_point _updated;
 };
 
-int HandleSensorValue(sdbusplus::message::message& msg, DbusPassive* owner);
+int handleSensorValue(sdbusplus::message::message& msg, DbusPassive* owner);
diff --git a/dbus/util.cpp b/dbus/util.cpp
index 080f39a..23f06fd 100644
--- a/dbus/util.cpp
+++ b/dbus/util.cpp
@@ -143,7 +143,7 @@
     return asserted;
 }
 
-std::string GetSensorPath(const std::string& type, const std::string& id)
+std::string getSensorPath(const std::string& type, const std::string& id)
 {
     std::string layer = type;
     if (type == "fan")
@@ -162,16 +162,16 @@
     return std::string("/xyz/openbmc_project/sensors/" + layer + "/" + id);
 }
 
-std::string GetMatch(const std::string& type, const std::string& id)
+std::string getMatch(const std::string& type, const std::string& id)
 {
     return std::string("type='signal',"
                        "interface='org.freedesktop.DBus.Properties',"
                        "member='PropertiesChanged',"
                        "path='" +
-                       GetSensorPath(type, id) + "'");
+                       getSensorPath(type, id) + "'");
 }
 
-bool ValidType(const std::string& type)
+bool validType(const std::string& type)
 {
     static std::set<std::string> valid = {"fan", "temp"};
     return (valid.find(type) != valid.end());
diff --git a/dbus/util.hpp b/dbus/util.hpp
index 41a0af1..67125b9 100644
--- a/dbus/util.hpp
+++ b/dbus/util.hpp
@@ -77,9 +77,9 @@
                             const std::string& path) override;
 };
 
-std::string GetSensorPath(const std::string& type, const std::string& id);
-std::string GetMatch(const std::string& type, const std::string& id);
-bool ValidType(const std::string& type);
+std::string getSensorPath(const std::string& type, const std::string& id);
+std::string getMatch(const std::string& type, const std::string& id);
+bool validType(const std::string& type);
 
 struct VariantToFloatVisitor
 {