diff --git a/esphome/core/alloc_helpers.cpp b/esphome/core/alloc_helpers.cpp
index 11c7abe3f7..27c50ebb2a 100644
--- a/esphome/core/alloc_helpers.cpp
+++ b/esphome/core/alloc_helpers.cpp
@@ -86,14 +86,6 @@ std::string str_sprintf(const char *fmt, ...) {
   return str;
 }
 
-// --- Value formatting helpers ---
-
-std::string value_accuracy_to_string(float value, int8_t accuracy_decimals) {
-  char buf[VALUE_ACCURACY_MAX_LEN];
-  value_accuracy_to_buf(buf, value, accuracy_decimals);
-  return std::string(buf);
-}
-
 // --- Base64 helpers ---
 
 static constexpr const char *BASE64_CHARS = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
diff --git a/esphome/core/alloc_helpers.h b/esphome/core/alloc_helpers.h
index fe350886b7..1da3162333 100644
--- a/esphome/core/alloc_helpers.h
+++ b/esphome/core/alloc_helpers.h
@@ -94,14 +94,6 @@ std::string format_hex_pretty(const std::string &data, char separator = '.', boo
 /// @warning Allocates heap memory. Use format_bin_to() with a stack buffer instead.
 std::string format_bin(const uint8_t *data, size_t length);
 
-// --- Value formatting helpers (allocating) ---
-
-/// Format a float value with accuracy decimals to a string.
-/// @deprecated Allocates heap memory. Use value_accuracy_to_buf() instead. Removed in 2026.7.0.
-__attribute__((deprecated("Allocates heap memory. Use value_accuracy_to_buf() instead. Removed in 2026.7.0.")))
-std::string
-value_accuracy_to_string(float value, int8_t accuracy_decimals);
-
 // --- Base64 helpers (allocating) ---
 
 /// Encode a byte buffer to base64 string.