diff --git a/esphome/components/voice_assistant/voice_assistant.cpp b/esphome/components/voice_assistant/voice_assistant.cpp
index 9b561ba058..e6ee8101f6 100644
--- a/esphome/components/voice_assistant/voice_assistant.cpp
+++ b/esphome/components/voice_assistant/voice_assistant.cpp
@@ -955,7 +955,7 @@ void VoiceAssistant::on_set_configuration(const std::vector<std::string> &active
     }
 
     // Mark configuration dirty to trigger rebuild on next get_configuration() call.
-    this->mark_configuration_needs_rebuild_();
+    this->config_needs_rebuild_ = true;
   }
 #endif
 };
diff --git a/esphome/components/voice_assistant/voice_assistant.h b/esphome/components/voice_assistant/voice_assistant.h
index a75287c6c3..418e84819a 100644
--- a/esphome/components/voice_assistant/voice_assistant.h
+++ b/esphome/components/voice_assistant/voice_assistant.h
@@ -114,7 +114,7 @@ class VoiceAssistant : public Component {
 #ifdef USE_MICRO_WAKE_WORD
   void set_micro_wake_word(micro_wake_word::MicroWakeWord *mww) {
     this->micro_wake_word_ = mww;
-    this->mark_configuration_needs_rebuild_();
+    this->config_needs_rebuild_ = true;
   }
 #endif
 #ifdef USE_SPEAKER
@@ -176,9 +176,6 @@ class VoiceAssistant : public Component {
   // to prevent use-after-free with StringRef and avoid wasteful rebuilding.
   const Configuration &get_configuration();
 
-  // Mark configuration dirty so it gets rebuilt on next get_configuration() call.
-  void mark_configuration_needs_rebuild_() { this->config_needs_rebuild_ = true; }
-
   bool is_running() const { return this->state_ != State::IDLE; }
   void set_continuous(bool continuous) { this->continuous_ = continuous; }
   bool is_continuous() const { return this->continuous_; }