diff --git a/include/libcamera/internal/software_isp/debayer_params.h b/include/libcamera/internal/software_isp/debayer_params.h
index 463d24b31..7d8fdd481 100644
--- a/include/libcamera/internal/software_isp/debayer_params.h
+++ b/include/libcamera/internal/software_isp/debayer_params.h
@@ -16,7 +16,6 @@
 namespace libcamera {
 
 struct DebayerParams {
-	static constexpr unsigned int kGain10 = 256;
 	static constexpr unsigned int kRGBLookupSize = 256;
 
 	using ColorLookupTable = std::array<uint8_t, kRGBLookupSize>;
diff --git a/src/ipa/simple/soft_simple.cpp b/src/ipa/simple/soft_simple.cpp
index 92095e59b..b7746ce09 100644
--- a/src/ipa/simple/soft_simple.cpp
+++ b/src/ipa/simple/soft_simple.cpp
@@ -289,8 +289,7 @@ void IPASoftSimple::processStats(const ControlList &sensorControls)
 
 	for (unsigned int i = 0; i < DebayerParams::kRGBLookupSize; i++) {
 		constexpr unsigned int div =
-			DebayerParams::kRGBLookupSize * DebayerParams::kGain10 /
-			kGammaLookupSize;
+			DebayerParams::kRGBLookupSize * 256 / kGammaLookupSize;
 		unsigned int idx;
 
 		/* Apply gamma after gain! */
diff --git a/src/libcamera/software_isp/debayer.cpp b/src/libcamera/software_isp/debayer.cpp
index 3f3969f78..f4a299d55 100644
--- a/src/libcamera/software_isp/debayer.cpp
+++ b/src/libcamera/software_isp/debayer.cpp
@@ -18,11 +18,6 @@ namespace libcamera {
  * \brief Struct to hold the debayer parameters.
  */
 
-/**
- * \var DebayerParams::kGain10
- * \brief const value for 1.0 gain
- */
-
 /**
  * \var DebayerParams::kRGBLookupSize
  * \brief Size of a color lookup table