diff --git a/esphome/components/api/proto.h b/esphome/components/api/proto.h
index 33c72522200..2ac8dbd8447 100644
--- a/esphome/components/api/proto.h
+++ b/esphome/components/api/proto.h
@@ -609,7 +609,7 @@ class ProtoSize {
   static constexpr uint32_t calc_int32_force(uint32_t field_id_size, int32_t value) {
     return field_id_size + (value < 0 ? 10 : varint(static_cast<uint32_t>(value)));
   }
-  static constexpr inline uint32_t ESPHOME_ALWAYS_INLINE calc_uint32(uint32_t field_id_size, uint32_t value) {
+  static constexpr uint32_t calc_uint32(uint32_t field_id_size, uint32_t value) {
     return value ? field_id_size + varint(value) : 0;
   }
   static constexpr uint32_t calc_uint32_force(uint32_t field_id_size, uint32_t value) {
@@ -644,7 +644,7 @@ class ProtoSize {
   static constexpr uint32_t calc_uint64_force(uint32_t field_id_size, uint64_t value) {
     return field_id_size + varint(value);
   }
-  static constexpr inline uint32_t ESPHOME_ALWAYS_INLINE calc_length(uint32_t field_id_size, size_t len) {
+  static constexpr uint32_t calc_length(uint32_t field_id_size, size_t len) {
     return len ? field_id_size + varint(static_cast<uint32_t>(len)) + static_cast<uint32_t>(len) : 0;
   }
   static constexpr uint32_t calc_length_force(uint32_t field_id_size, size_t len) {