diff --git a/esphome/components/seeed_mr60bha2/seeed_mr60bha2.cpp b/esphome/components/seeed_mr60bha2/seeed_mr60bha2.cpp
index d96824f83d..ad8d066ff8 100644
--- a/esphome/components/seeed_mr60bha2/seeed_mr60bha2.cpp
+++ b/esphome/components/seeed_mr60bha2/seeed_mr60bha2.cpp
@@ -30,8 +30,6 @@ void MR60BHA2Component::dump_config() {
 
 // main loop
 void MR60BHA2Component::loop() {
-  // All current UART available() implementations return >= 0,
-  // use <= 0 to future-proof against any that may return negative on error.
   int avail = this->available();
   if (avail <= 0) {
     return;
diff --git a/esphome/components/seeed_mr60fda2/seeed_mr60fda2.cpp b/esphome/components/seeed_mr60fda2/seeed_mr60fda2.cpp
index de799fcfa8..2ae6e724ab 100644
--- a/esphome/components/seeed_mr60fda2/seeed_mr60fda2.cpp
+++ b/esphome/components/seeed_mr60fda2/seeed_mr60fda2.cpp
@@ -49,8 +49,6 @@ void MR60FDA2Component::setup() {
 
 // main loop
 void MR60FDA2Component::loop() {
-  // All current UART available() implementations return >= 0,
-  // use <= 0 to future-proof against any that may return negative on error.
   int avail = this->available();
   if (avail <= 0) {
     return;