diff --git a/esphome/components/remote_base/midea_protocol.h b/esphome/components/remote_base/midea_protocol.h
index f21dd40828..47bad6826f 100644
--- a/esphome/components/remote_base/midea_protocol.h
+++ b/esphome/components/remote_base/midea_protocol.h
@@ -28,9 +28,6 @@ class MideaData {
   bool is_valid() const { return this->data_[OFFSET_CS] == this->calc_cs_(); }
   void finalize() { this->data_[OFFSET_CS] = this->calc_cs_(); }
   bool is_compliment(const MideaData &rhs) const;
-  /// @deprecated Allocates heap memory. Use to_str() instead. Removed in 2026.7.0.
-  ESPDEPRECATED("Allocates heap memory. Use to_str() instead. Removed in 2026.7.0.", "2026.1.0")
-  std::string to_string() const { return format_hex_pretty(this->data_.data(), this->data_.size()); }  // NOLINT
   /// Buffer size for to_str(): 6 bytes = "AA.BB.CC.DD.EE.FF\0"
   static constexpr size_t TO_STR_BUFFER_SIZE = format_hex_pretty_size(6);
   /// Format to buffer, returns pointer to buffer