diff --git a/src/libslic3r/ExtrusionSimulator.cpp b/src/libslic3r/ExtrusionSimulator.cpp
index 6408c4b144..fcd89b1f2d 100644
--- a/src/libslic3r/ExtrusionSimulator.cpp
+++ b/src/libslic3r/ExtrusionSimulator.cpp
@@ -699,13 +699,16 @@ void gcode_spread_points(
 			}
 		}
 		*/
-		float area_total     = 0;
-		float volume_total   = 0;
-		float volume_excess  = 0;
-		float volume_deficit = 0;
-		size_t n_cells = 0;
-		float area_circle_total = 0; 
+
+		float area_total   = 0;
+		float volume_total = 0;
+		size_t n_cells     = 0;
+
 #if 0
+        float volume_excess     = 0;
+        float volume_deficit    = 0;
+        float area_circle_total = 0;
+
 		// The intermediate lines.
 		for (int j = row_first; j < row_last; ++ j) {
 			const std::pair<float, float> &span1 = spans[j];
@@ -759,7 +762,11 @@ void gcode_spread_points(
 				cell.volume  = acc[j][i];
 				cell.area    = mask[j][i];
 				assert(cell.area >= 0.f && cell.area <= 1.000001f);
-				area_circle_total += area;
+
+#if 0
+                area_circle_total += area;
+#endif
+
 				if (cell.area < area)
 					cell.area = area;
 				cell.fraction_covered = std::clamp((cell.area > 0) ? (area / cell.area) : 0, 0.f, 1.f);
@@ -769,10 +776,15 @@ void gcode_spread_points(
 				}
 				float cell_height = cell.volume / cell.area;
 				cell.excess_height = cell_height - height_target;
+
+#if 0
+                area_circle_total += area;
 				if (cell.excess_height > 0.f)
 					volume_excess  += cell.excess_height * cell.area * cell.fraction_covered;
 				else
 					volume_deficit -= cell.excess_height * cell.area * cell.fraction_covered;
+#endif
+
 				volume_total += cell.volume * cell.fraction_covered;
 				area_total   += cell.area * cell.fraction_covered;
 			}