diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c
index 17a9a55026a420d5ad34a778f07357541ec951c6..e7836a2e18f063c038b750342fbac37f7621faad 100644
--- a/sound/soc/intel/skylake/skl-topology.c
+++ b/sound/soc/intel/skylake/skl-topology.c
@@ -310,13 +310,11 @@ static void skl_tplg_update_buffer_size(struct skl_sst *ctx,
 		multiplier = 5;
 
 	mcfg->ibs = DIV_ROUND_UP(in_fmt->s_freq, 1000) *
-			(mcfg->in_fmt->channels) *
-			(mcfg->in_fmt->bit_depth >> 3) *
+			in_fmt->channels * (in_fmt->bit_depth >> 3) *
 			multiplier;
 
-	mcfg->obs = DIV_ROUND_UP(mcfg->out_fmt->s_freq, 1000) *
-			(mcfg->out_fmt->channels) *
-			(mcfg->out_fmt->bit_depth >> 3) *
+	mcfg->obs = DIV_ROUND_UP(out_fmt->s_freq, 1000) *
+			out_fmt->channels * (out_fmt->bit_depth >> 3) *
 			multiplier;
 }