diff --git a/firmware/baseband/proc_ais.cpp b/firmware/baseband/proc_ais.cpp
index 237586588..9caa9bb1d 100644
--- a/firmware/baseband/proc_ais.cpp
+++ b/firmware/baseband/proc_ais.cpp
@@ -39,13 +39,6 @@ void AISProcessor::execute(const buffer_c8_t& buffer) {
 
 	/* 38.4kHz, 32 samples */
 	feed_channel_stats(decimator_out);
-	/* No spectrum display while AIS decoding.
-	feed_channel_spectrum(
-		channel,
-		decimator_out.sampling_rate * channel_filter_taps.pass_frequency_normalized,
-		decimator_out.sampling_rate * channel_filter_taps.stop_frequency_normalized
-	);
-	*/
 
 	for(size_t i=0; i<decimator_out.count; i++) {
 		if( mf.execute_once(decimator_out.p[i]) ) {
diff --git a/firmware/baseband/proc_ert.cpp b/firmware/baseband/proc_ert.cpp
index 5708e8ed5..20e9764b2 100644
--- a/firmware/baseband/proc_ert.cpp
+++ b/firmware/baseband/proc_ert.cpp
@@ -40,7 +40,6 @@ float ERTProcessor::abs(const complex8_t& v) {
 
 void ERTProcessor::execute(const buffer_c8_t& buffer) {
 	/* 4.194304MHz, 2048 samples */
-	// auto decimator_out = decimator.execute(buffer);
 
 	const complex8_t* src = &buffer.p[0];
 	const complex8_t* const src_end = &buffer.p[buffer.count];
diff --git a/firmware/baseband/proc_tpms.cpp b/firmware/baseband/proc_tpms.cpp
index efaf10920..0906de719 100644
--- a/firmware/baseband/proc_tpms.cpp
+++ b/firmware/baseband/proc_tpms.cpp
@@ -60,13 +60,6 @@ void TPMSProcessor::execute(const buffer_c8_t& buffer) {
 
 	/* 307.2kHz, 256 samples */
 	feed_channel_stats(decimator_out);
-	/* No spectrum display while FSK decoding.
-	feed_channel_spectrum(
-		channel,
-		decimator_out.sampling_rate * channel_filter_taps.pass_frequency_normalized,
-		decimator_out.sampling_rate * channel_filter_taps.stop_frequency_normalized
-	);
-	*/
 
 	for(size_t i=0; i<decimator_out.count; i++) {
 		if( mf.execute_once(decimator_out.p[i]) ) {