diff --git a/tools/power-utils/version.hpp b/tools/power-utils/version.hpp
index 4770a71..98735fe 100644
--- a/tools/power-utils/version.hpp
+++ b/tools/power-utils/version.hpp
@@ -20,58 +20,22 @@
 #include <sdbusplus/bus.hpp>
 
 #include <string>
-#include <tuple>
 #include <vector>
 
 namespace version
 {
-namespace internal
-{
-// PsuInfo contains the device path, pmbus read type, and the version string
-using PsuVersionInfo =
-    std::tuple<std::string, phosphor::pmbus::Type, std::string>;
-
-/**
- * @brief Get PSU version information
- *
- * @param[in] psuInventoryPath - The PSU inventory path.
- *
- * @return tuple - device path, pmbus read type and PSU version
- */
-PsuVersionInfo getVersionInfo(const std::string& psuInventoryPath);
-
-/**
- * @brief Get firmware latest version
- *
- * @param[in] versions - String of versions
- *
- * @return version - latest firmware level
- */
-std::string getLatestDefault(const std::vector<std::string>& versions);
-
-} // namespace internal
-
 /**
  * Get the software version of the PSU using sysfs
  *
- * @param[in] bus - Systemd bus connection
- * @param[in] psuInventoryPath - The inventory path of the PSU
+ * @param[in] bus - D-Bus connection
+ * @param[in] psuInventoryPath - PSU D-Bus inventory path
  *
- * @return The version of the PSU
+ * @return PSU version, or "" if version could not be found
  */
 std::string getVersion(sdbusplus::bus_t& bus,
                        const std::string& psuInventoryPath);
 
 /**
- * Get the software version of the PSU using psu.json
- *
- * @param[in] psuInventoryPath - The inventory path of the PSU
- *
- * @return The version of the PSU
- */
-std::string getVersion(const std::string& psuInventoryPath);
-
-/**
  * Get the latest version from a list of versions
  *
  * @param[in] versions - The list of PSU version strings