diff --git a/build.gradle.kts b/build.gradle.kts
index 065da772..6accab2d 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -28,6 +28,11 @@ subprojects {
         "annotationProcessor"(rootProject.libs.lombok)
         "testCompileOnly"(rootProject.libs.lombok)
         "testAnnotationProcessor"(rootProject.libs.lombok)
+
+        // 모듈 공개 처리(@ApplicationModule·@NamedInterface 등)에 거의 모든 모듈이 사용하므로 공통 적용.
+        // compileOnly 어노테이션 전용 — 경계 검증은 bootstrap 테스트가 수행한다.
+        "compileOnly"(platform(rootProject.libs.springModulithBom))
+        "compileOnly"(rootProject.libs.springModulithApi)
     }
 
     tasks.withType<Test> {
diff --git a/core/common/build.gradle.kts b/core/common/build.gradle.kts
index 5bd4b086..8b3f4dcc 100644
--- a/core/common/build.gradle.kts
+++ b/core/common/build.gradle.kts
@@ -2,7 +2,7 @@ plugins {
     java
 }
 
-description = "공유 커널 — 순수 Java. Spring/Modulith/web/security/JPA 의존 없음. verify 설정에서 shared module로 선언"
+description = "공유 커널 — 순수 Java. web/security/JPA·Spring 런타임 의존 없음(modulith-api는 루트 공통 compileOnly로만 상속). verify 설정에서 shared module로 선언"
 
 dependencies {
     testImplementation(platform(libs.junitBom))
diff --git a/core/domain/event/build.gradle.kts b/core/domain/event/build.gradle.kts
index fc643956..030cedbb 100644
--- a/core/domain/event/build.gradle.kts
+++ b/core/domain/event/build.gradle.kts
@@ -11,10 +11,6 @@ dependencies {
     implementation(libs.springContext)
     implementation(libs.springTx)
 
-    // @ApplicationModule(type = OPEN) 선언용(package-info). 경계 검증은 bootstrap 테스트가 수행한다
-    compileOnly(platform(libs.springModulithBom))
-    compileOnly(libs.springModulithApi)
-
     testImplementation(platform(libs.junitBom))
     testImplementation(libs.junitJupiter)
     testRuntimeOnly(libs.junitPlatformLauncher)
diff --git a/core/domain/internal/build.gradle.kts b/core/domain/internal/build.gradle.kts
index 77032435..12d37667 100644
--- a/core/domain/internal/build.gradle.kts
+++ b/core/domain/internal/build.gradle.kts
@@ -11,10 +11,6 @@ dependencies {
     implementation(libs.springContext)
     implementation(libs.springTx)
 
-    // @ApplicationModule(type = OPEN) 선언용(package-info). 경계 검증은 bootstrap 테스트가 수행한다
-    compileOnly(platform(libs.springModulithBom))
-    compileOnly(libs.springModulithApi)
-
     testImplementation(platform(libs.junitBom))
     testImplementation(libs.junitJupiter)
     testRuntimeOnly(libs.junitPlatformLauncher)
diff --git a/core/domain/member/build.gradle.kts b/core/domain/member/build.gradle.kts
index 0171f61c..d0cc1400 100644
--- a/core/domain/member/build.gradle.kts
+++ b/core/domain/member/build.gradle.kts
@@ -11,10 +11,6 @@ dependencies {
     implementation(libs.springContext)
     implementation(libs.springTx)
 
-    // @ApplicationModule(type = OPEN) 선언용(package-info). 경계 검증은 bootstrap 테스트가 수행한다
-    compileOnly(platform(libs.springModulithBom))
-    compileOnly(libs.springModulithApi)
-
     testImplementation(platform(libs.junitBom))
     testImplementation(libs.junitJupiter)
     testRuntimeOnly(libs.junitPlatformLauncher)
diff --git a/core/domain/welfare/build.gradle.kts b/core/domain/welfare/build.gradle.kts
index 87dbaedb..f73084d6 100644
--- a/core/domain/welfare/build.gradle.kts
+++ b/core/domain/welfare/build.gradle.kts
@@ -11,10 +11,6 @@ dependencies {
     implementation(libs.springContext)
     implementation(libs.springTx)
 
-    // @ApplicationModule(type = OPEN) 선언용(package-info). 경계 검증은 bootstrap 테스트가 수행한다
-    compileOnly(platform(libs.springModulithBom))
-    compileOnly(libs.springModulithApi)
-
     testImplementation(platform(libs.junitBom))
     testImplementation(libs.junitJupiter)
     testRuntimeOnly(libs.junitPlatformLauncher)