diff --git a/include/fru_utils.hpp b/include/fru_utils.hpp
index ed019ad..2d0c719 100644
--- a/include/fru_utils.hpp
+++ b/include/fru_utils.hpp
@@ -137,18 +137,6 @@
 
 ssize_t getFieldLength(uint8_t fruFieldTypeLenValue);
 
-/// \brief Find a FRU header.
-/// \param reader the BaseFRUReader to read via
-/// \param errorHelp and a helper string for failures
-/// \param blockData buffer to return the last read block
-/// \param baseOffset the offset to start the search at;
-///        set to 0 to perform search;
-///        returns the offset at which a header was found
-/// \return whether a header was found
-bool findFRUHeader(BaseFRUReader& reader, const std::string& errorHelp,
-                   std::array<uint8_t, I2C_SMBUS_BLOCK_MAX>& blockData,
-                   off_t& baseOffset);
-
 /// \brief Read and validate FRU contents.
 /// \param reader the BaseFRUReader to read via
 /// \param errorHelp and a helper string for failures
@@ -157,9 +145,9 @@
                                      const std::string& errorHelp);
 
 /// \brief Validate an IPMI FRU common header
-/// \param blockData the bytes comprising the common header
+/// \param hdr the bytes comprising the common header
 /// \return true if valid
-bool validateHeader(const std::array<uint8_t, I2C_SMBUS_BLOCK_MAX>& blockData);
+bool validateIPMIHeader(const std::vector<uint8_t>& hdr);
 
 /// \brief Get offset for a common header area
 /// \param area - the area