diff --git a/resources/quality/ultimaker_s5/um_s5_aa0.4_CPE_Draft_Print.inst.cfg b/resources/quality/ultimaker_s5/um_s5_aa0.4_CPE_Draft_Print.inst.cfg
index 1ef240ab01..bdfd6aadea 100644
--- a/resources/quality/ultimaker_s5/um_s5_aa0.4_CPE_Draft_Print.inst.cfg
+++ b/resources/quality/ultimaker_s5/um_s5_aa0.4_CPE_Draft_Print.inst.cfg
@@ -23,6 +23,5 @@ speed_layer_0 = =math.ceil(speed_print * 20 / 60)
 speed_topbottom = =math.ceil(speed_print * 35 / 60)
 speed_wall = =math.ceil(speed_print * 45 / 60)
 speed_wall_0 = =math.ceil(speed_wall * 35 / 45)
-top_thickness = =0.8 if infill_sparse_density < 30 else top_bottom_thickness
 infill_pattern = ='zigzag' if infill_sparse_density > 80 else 'triangles'
 speed_infill = =math.ceil(speed_print * 50 / 60)
diff --git a/resources/quality/ultimaker_s5/um_s5_aa0.4_PETG_Draft_Print.inst.cfg b/resources/quality/ultimaker_s5/um_s5_aa0.4_PETG_Draft_Print.inst.cfg
index bb5862ae67..bedfaa177a 100644
--- a/resources/quality/ultimaker_s5/um_s5_aa0.4_PETG_Draft_Print.inst.cfg
+++ b/resources/quality/ultimaker_s5/um_s5_aa0.4_PETG_Draft_Print.inst.cfg
@@ -24,7 +24,6 @@ speed_layer_0 = =math.ceil(speed_print * 20 / 60)
 speed_topbottom = =math.ceil(speed_print * 35 / 60)
 speed_wall = =math.ceil(speed_print * 45 / 60)
 speed_wall_0 = =math.ceil(speed_wall * 35 / 45)
-top_thickness = =0.8 if infill_sparse_density < 30 else top_bottom_thickness
 infill_pattern = ='zigzag' if infill_sparse_density > 80 else 'triangles'
 speed_infill = =math.ceil(speed_print * 50 / 60)
 initial_layer_line_width_factor = 100