diff --git a/src/main.c b/src/main.c
index 78ad6f6..e56c5aa 100644
--- a/src/main.c
+++ b/src/main.c
@@ -462,8 +462,6 @@ static void rf_rx(void)
 	const uint32_t base = (uint32_t)rx_cos;
 	int pos = 0;
 
-	int64_t dcI = 0, dcQ = 0;
-
 	while (true) {
 		if (multicore_fifo_rvalid()) {
 			multicore_fifo_pop_blocking();
@@ -546,10 +544,6 @@ static void rf_rx(void)
 			int64_t I = I1 - I3 + Q2 - Q4;
 			int64_t Q = Q1 - Q3 - I2 + I4;
 
-			int64_t I16 = I << 16;
-			dcI = ((dcI << 16) - dcI + I16) >> 16;
-			I = (I16 - dcI) >> 16;
-
 			I *= gain;
 			I /= max_amplitude;
 
@@ -560,10 +554,6 @@ static void rf_rx(void)
 
 			*blockptr++ = I + 128;
 
-			int64_t Q16 = Q << 16;
-			dcQ = ((dcQ << 16) - dcQ + Q16) >> 16;
-			Q = (Q16 - dcQ) >> 16;
-
 			Q *= gain;
 			Q /= max_amplitude;