diff --git a/src/ipa/ipu3/algorithms/agc.cpp b/src/ipa/ipu3/algorithms/agc.cpp
index 4e424857..bd02c474 100644
--- a/src/ipa/ipu3/algorithms/agc.cpp
+++ b/src/ipa/ipu3/algorithms/agc.cpp
@@ -58,12 +58,6 @@ static constexpr uint32_t knumHistogramBins = 256;
 /* Target value to reach for the top 2% of the histogram */
 static constexpr double kEvGainTarget = 0.5;
 
-/*
- * Maximum ratio of saturated pixels in a cell for the cell to be considered
- * non-saturated and counted by the AGC algorithm.
- */
-static constexpr uint32_t kMinCellsPerZoneRatio = 255 * 20 / 100;
-
 /* Number of frames to wait before calculating stats on minimum exposure */
 static constexpr uint32_t kNumStartupFrames = 10;
 
@@ -133,27 +127,19 @@ void Agc::measureBrightness(const ipu3_uapi_stats_3a *stats,
 					&stats->awb_raw_buffer.meta_data[cellPosition]
 				);
 
-			if (cell->sat_ratio <= kMinCellsPerZoneRatio) {
-				uint8_t gr = cell->Gr_avg;
-				uint8_t gb = cell->Gb_avg;
-				/*
-				 * Store the average green value to estimate the
-				 * brightness. Even the overexposed pixels are
-				 * taken into account.
-				 */
-				hist[(gr + gb) / 2]++;
-			}
+			uint8_t gr = cell->Gr_avg;
+			uint8_t gb = cell->Gb_avg;
+			/*
+			 * Store the average green value to estimate the
+			 * brightness. Even the overexposed pixels are
+			 * taken into account.
+			 */
+			hist[(gr + gb) / 2]++;
 		}
 	}
 
-	Histogram cumulativeHist = Histogram(Span<uint32_t>(hist));
 	/* Estimate the quantile mean of the top 2% of the histogram */
-	if (cumulativeHist.total() == 0) {
-		/* Force the value as histogram is empty */
-		iqMean_ = knumHistogramBins - 0.5;
-	} else {
-		iqMean_ = cumulativeHist.interQuantileMean(0.98, 1.0);
-	}
+	iqMean_ = Histogram(Span<uint32_t>(hist)).interQuantileMean(0.98, 1.0);
 }
 
 /**