diff --git a/src/modules/SX127x/SX1272.cpp b/src/modules/SX127x/SX1272.cpp
index b198d46a..2aad0fad 100644
--- a/src/modules/SX127x/SX1272.cpp
+++ b/src/modules/SX127x/SX1272.cpp
@@ -117,7 +117,6 @@ int16_t SX1272::setBandwidth(float bw) {
     // calculate symbol length and set low data rate optimization, if auto-configuration is enabled
     if(this->ldroAuto) {
       float symbolLength = (float)(uint32_t(1) << SX127x::spreadingFactor) / (float)SX127x::bandwidth;
-      RADIOLIB_DEBUG_PRINTLN("Symbol length: %f ms", symbolLength);
       if(symbolLength >= 16.0) {
         state = this->mod->SPIsetRegValue(RADIOLIB_SX127X_REG_MODEM_CONFIG_1, RADIOLIB_SX1272_LOW_DATA_RATE_OPT_ON, 0, 0);
       } else {
@@ -171,7 +170,6 @@ int16_t SX1272::setSpreadingFactor(uint8_t sf) {
     // calculate symbol length and set low data rate optimization, if auto-configuration is enabled
     if(this->ldroAuto) {
     float symbolLength = (float)(uint32_t(1) << SX127x::spreadingFactor) / (float)SX127x::bandwidth;
-      RADIOLIB_DEBUG_PRINTLN("Symbol length: %f ms", symbolLength);
       if(symbolLength >= 16.0) {
         state = this->mod->SPIsetRegValue(RADIOLIB_SX127X_REG_MODEM_CONFIG_1, RADIOLIB_SX1272_LOW_DATA_RATE_OPT_ON, 0, 0);
       } else {
diff --git a/src/modules/SX127x/SX1278.cpp b/src/modules/SX127x/SX1278.cpp
index e61a1ef3..6c275427 100644
--- a/src/modules/SX127x/SX1278.cpp
+++ b/src/modules/SX127x/SX1278.cpp
@@ -131,7 +131,6 @@ int16_t SX1278::setBandwidth(float bw) {
     // calculate symbol length and set low data rate optimization, if auto-configuration is enabled
     if(this->ldroAuto) {
       float symbolLength = (float)(uint32_t(1) << SX127x::spreadingFactor) / (float)SX127x::bandwidth;
-      RADIOLIB_DEBUG_PRINTLN("Symbol length: %f ms", symbolLength);
       if(symbolLength >= 16.0) {
         state = this->mod->SPIsetRegValue(RADIOLIB_SX1278_REG_MODEM_CONFIG_3, RADIOLIB_SX1278_LOW_DATA_RATE_OPT_ON, 3, 3);
       } else {
@@ -185,7 +184,6 @@ int16_t SX1278::setSpreadingFactor(uint8_t sf) {
     // calculate symbol length and set low data rate optimization, if auto-configuration is enabled
     if(this->ldroAuto) {
       float symbolLength = (float)(uint32_t(1) << SX127x::spreadingFactor) / (float)SX127x::bandwidth;
-      RADIOLIB_DEBUG_PRINTLN("Symbol length: %f ms", symbolLength);
       if(symbolLength >= 16.0) {
         state = this->mod->SPIsetRegValue(RADIOLIB_SX1278_REG_MODEM_CONFIG_3, RADIOLIB_SX1278_LOW_DATA_RATE_OPT_ON, 3, 3);
       } else {