diff --git a/maeil-mail/src/main/java/maeilmail/statistics/EventAggregator.java b/maeil-mail/src/main/java/maeilmail/statistics/EventAggregator.java
deleted file mode 100644
index 4eb41a6..0000000
--- a/maeil-mail/src/main/java/maeilmail/statistics/EventAggregator.java
+++ /dev/null
@@ -1,18 +0,0 @@
-package maeilmail.statistics;
-
-import java.util.List;
-import java.util.Map;
-import java.util.stream.Collectors;
-import maeilmail.subscribe.command.domain.SubscribeQuestion;
-import org.springframework.stereotype.Component;
-
-@Component
-class EventAggregator {
-
-    public EventReport aggregate(List<SubscribeQuestion> subscribeQuestions) {
-        Map<Boolean, Long> result = subscribeQuestions.stream()
-                .collect(Collectors.partitioningBy(SubscribeQuestion::isSuccess, Collectors.counting()));
-
-        return new EventReport(result.get(true), result.get(false));
-    }
-}
diff --git a/maeil-mail/src/test/java/maeilmail/statistics/EventAggregatorTest.java b/maeil-mail/src/test/java/maeilmail/statistics/EventAggregatorTest.java
deleted file mode 100644
index 2d1c3ca..0000000
--- a/maeil-mail/src/test/java/maeilmail/statistics/EventAggregatorTest.java
+++ /dev/null
@@ -1,41 +0,0 @@
-package maeilmail.statistics;
-
-import static org.assertj.core.api.Assertions.assertThat;
-
-import java.util.List;
-import maeilmail.question.Question;
-import maeilmail.question.QuestionCategory;
-import maeilmail.subscribe.command.domain.Subscribe;
-import maeilmail.subscribe.command.domain.SubscribeFrequency;
-import maeilmail.subscribe.command.domain.SubscribeQuestion;
-import org.junit.jupiter.api.DisplayName;
-import org.junit.jupiter.api.Test;
-
-class EventAggregatorTest {
-
-    @Test
-    @DisplayName("메일 이벤트를 받으면 하루 결과로 변환한다.")
-    void report() {
-        EventAggregator eventAggregator = new EventAggregator();
-
-        List<SubscribeQuestion> subscribeQuestions = List.of(
-                createSubscribeQuestion(true),
-                createSubscribeQuestion(true),
-                createSubscribeQuestion(false),
-                createSubscribeQuestion(true)
-        );
-
-        EventReport result = eventAggregator.aggregate(subscribeQuestions);
-
-        assertThat(result.success()).isEqualTo(3);
-        assertThat(result.fail()).isEqualTo(1);
-    }
-
-    private SubscribeQuestion createSubscribeQuestion(boolean isSuccess) {
-        return new SubscribeQuestion(
-                new Subscribe("test@gmail.com", QuestionCategory.BACKEND, SubscribeFrequency.DAILY),
-                new Question("test-title", "test-content", QuestionCategory.BACKEND),
-                isSuccess
-        );
-    }
-}