diff --git a/src/libcamera/pipeline/mali-c55/mali-c55.cpp b/src/libcamera/pipeline/mali-c55/mali-c55.cpp
index a05e11fccf8dfde1a0eeda994afe2d78d884c530..35372ee1ed6f694166c395088c65509d32b9d1f2 100644
--- a/src/libcamera/pipeline/mali-c55/mali-c55.cpp
+++ b/src/libcamera/pipeline/mali-c55/mali-c55.cpp
@@ -131,7 +131,6 @@ private:
 	void setSensorControls(const ControlList &sensorControls);
 
 	std::string id_;
-	std::vector<unsigned int> tpgCodes_;
 	std::vector<Size> tpgSizes_;
 	Size tpgResolution_;
 };
@@ -180,9 +179,6 @@ void MaliC55CameraData::initTPGData()
 	if (formats.empty())
 		return;
 
-	tpgCodes_ = utils::map_keys(formats);
-	std::sort(tpgCodes_.begin(), tpgCodes_.end());
-
 	for (const auto &format : formats) {
 		const std::vector<SizeRange> &ranges = format.second;
 		std::transform(ranges.begin(), ranges.end(), std::back_inserter(tpgSizes_),