diff --git a/src/Targets/Microchip/AVR/AVR8/TargetParameters.hpp b/src/Targets/Microchip/AVR/AVR8/TargetParameters.hpp
index 2c55c29c..21b910fd 100644
--- a/src/Targets/Microchip/AVR/AVR8/TargetParameters.hpp
+++ b/src/Targets/Microchip/AVR/AVR8/TargetParameters.hpp
@@ -51,8 +51,6 @@ namespace Bloom::Targets::Microchip::Avr::Avr8Bit
         std::optional<std::uint32_t> programMemoryUpdiStartAddress;
         std::optional<std::uint16_t> signatureSegmentStartAddress;
         std::optional<std::uint16_t> signatureSegmentSize;
-        std::optional<std::uint16_t> userSignatureSegmentStartAddress;
-        std::optional<std::uint16_t> userSignatureSegmentSize;
         std::optional<std::uint16_t> fuseSegmentStartAddress;
         std::optional<std::uint16_t> fuseSegmentSize;
         std::optional<std::uint16_t> lockbitsSegmentStartAddress;