diff --git a/esphome/components/api/api_pb2_dump.cpp b/esphome/components/api/api_pb2_dump.cpp
index f9f45ad071..69143f50f8 100644
--- a/esphome/components/api/api_pb2_dump.cpp
+++ b/esphome/components/api/api_pb2_dump.cpp
@@ -913,9 +913,9 @@ void ListEntitiesLightResponse::dump_to(std::string &out) const {
   dump_field(out, "object_id", this->object_id_ref_);
   dump_field(out, "key", this->key);
   dump_field(out, "name", this->name_ref_);
-  out.append("  supported_color_modes: 0x");
-  out.append(uint32_to_string(this->supported_color_modes));
-  out.append("\n");
+  char buffer[64];
+  snprintf(buffer, sizeof(buffer), "  supported_color_modes: 0x%08" PRIX32 "\n", this->supported_color_modes);
+  out.append(buffer);
   dump_field(out, "min_mireds", this->min_mireds);
   dump_field(out, "max_mireds", this->max_mireds);
   for (const auto &it : this->effects) {
diff --git a/esphome/components/light/light_json_schema.cpp b/esphome/components/light/light_json_schema.cpp
index 010e130612..e754c453b5 100644
--- a/esphome/components/light/light_json_schema.cpp
+++ b/esphome/components/light/light_json_schema.cpp
@@ -43,7 +43,6 @@ void LightJSONSchema::dump_json(LightState &state, JsonObject root) {
   }
 
   auto values = state.remote_values;
-  auto traits = state.get_output()->get_traits();
 
   const auto color_mode = values.get_color_mode();
   const char *mode_str = get_color_mode_json_str(color_mode);
diff --git a/esphome/components/light/light_state.cpp b/esphome/components/light/light_state.cpp
index 1d139e49e7..979dc2f5a1 100644
--- a/esphome/components/light/light_state.cpp
+++ b/esphome/components/light/light_state.cpp
@@ -191,11 +191,9 @@ void LightState::current_values_as_brightness(float *brightness) {
   this->current_values.as_brightness(brightness, this->gamma_correct_);
 }
 void LightState::current_values_as_rgb(float *red, float *green, float *blue, bool color_interlock) {
-  auto traits = this->get_traits();
   this->current_values.as_rgb(red, green, blue, this->gamma_correct_, false);
 }
 void LightState::current_values_as_rgbw(float *red, float *green, float *blue, float *white, bool color_interlock) {
-  auto traits = this->get_traits();
   this->current_values.as_rgbw(red, green, blue, white, this->gamma_correct_, false);
 }
 void LightState::current_values_as_rgbww(float *red, float *green, float *blue, float *cold_white, float *warm_white,
@@ -209,7 +207,6 @@ void LightState::current_values_as_rgbct(float *red, float *green, float *blue,
                                 white_brightness, this->gamma_correct_);
 }
 void LightState::current_values_as_cwww(float *cold_white, float *warm_white, bool constant_brightness) {
-  auto traits = this->get_traits();
   this->current_values.as_cwww(cold_white, warm_white, this->gamma_correct_, constant_brightness);
 }
 void LightState::current_values_as_ct(float *color_temperature, float *white_brightness) {
diff --git a/script/api_protobuf/api_protobuf.py b/script/api_protobuf/api_protobuf.py
index 9e140ca9ce..2fe6d01024 100755
--- a/script/api_protobuf/api_protobuf.py
+++ b/script/api_protobuf/api_protobuf.py
@@ -1564,9 +1564,9 @@ class RepeatedTypeInfo(TypeInfo):
         if self._use_bitmask:
             # For bitmask fields, dump the hex value of the bitmask
             return (
-                f'out.append("  {self.field_name}: 0x");\n'
-                f"out.append(uint32_to_string(this->{self.field_name}));\n"
-                f'out.append("\\n");'
+                f"char buffer[64];\n"
+                f'snprintf(buffer, sizeof(buffer), "  {self.field_name}: 0x%08" PRIX32 "\\n", this->{self.field_name});\n'
+                f"out.append(buffer);"
             )
         if self._use_pointer:
             # For pointer fields, dereference and use the existing helper