diff --git a/service/build.gradle.kts b/service/build.gradle.kts
index 5033c801..3c0819bc 100644
--- a/service/build.gradle.kts
+++ b/service/build.gradle.kts
@@ -55,6 +55,7 @@ dependencies {
     // submodules
     implementation(project(":common:config"))
     implementation(project(":common:persistence"))
+    implementation(project(":common:utils"))
 }
 
 tasks.jar {
diff --git a/service/src/main/kotlin/com/sangdol/roomescape/auth/web/support/interceptors/AdminInterceptor.kt b/service/src/main/kotlin/com/sangdol/roomescape/auth/web/support/interceptors/AdminInterceptor.kt
index 7a72a113..7de82394 100644
--- a/service/src/main/kotlin/com/sangdol/roomescape/auth/web/support/interceptors/AdminInterceptor.kt
+++ b/service/src/main/kotlin/com/sangdol/roomescape/auth/web/support/interceptors/AdminInterceptor.kt
@@ -17,7 +17,7 @@ import com.sangdol.roomescape.auth.exception.AuthException
 import com.sangdol.roomescape.auth.infrastructure.jwt.JwtUtils
 import com.sangdol.roomescape.auth.web.support.AdminOnly
 import com.sangdol.roomescape.auth.web.support.accessToken
-import com.sangdol.roomescape.common.util.MdcPrincipalId
+import com.sangdol.common.utils.MdcPrincipalIdUtil
 
 private val log: KLogger = KotlinLogging.logger {}
 
@@ -38,7 +38,7 @@ class AdminInterceptor(
 
         try {
             run {
-                val id: String = jwtUtils.extractSubject(token).also { MdcPrincipalId.set(it) }
+                val id: String = jwtUtils.extractSubject(token).also { MdcPrincipalIdUtil.set(it) }
                 val type: AdminType = validateTypeAndGet(token, annotation.type)
                 val permission: AdminPermissionLevel = validatePermissionAndGet(token, annotation.privilege)
 
diff --git a/service/src/main/kotlin/com/sangdol/roomescape/auth/web/support/interceptors/UserInterceptor.kt b/service/src/main/kotlin/com/sangdol/roomescape/auth/web/support/interceptors/UserInterceptor.kt
index aa581bc3..8be0d99c 100644
--- a/service/src/main/kotlin/com/sangdol/roomescape/auth/web/support/interceptors/UserInterceptor.kt
+++ b/service/src/main/kotlin/com/sangdol/roomescape/auth/web/support/interceptors/UserInterceptor.kt
@@ -13,7 +13,7 @@ import com.sangdol.roomescape.auth.exception.AuthException
 import com.sangdol.roomescape.auth.infrastructure.jwt.JwtUtils
 import com.sangdol.roomescape.auth.web.support.UserOnly
 import com.sangdol.roomescape.auth.web.support.accessToken
-import com.sangdol.roomescape.common.util.MdcPrincipalId
+import com.sangdol.common.utils.MdcPrincipalIdUtil
 
 private val log: KLogger = KotlinLogging.logger {}
 
@@ -33,7 +33,7 @@ class UserInterceptor(
         val token: String? = request.accessToken()
 
         try {
-            val id: String = jwtUtils.extractSubject(token).also { MdcPrincipalId.set(it) }
+            val id: String = jwtUtils.extractSubject(token).also { MdcPrincipalIdUtil.set(it) }
 
             /**
              * CLAIM_ADMIN_TYPE_KEY 가 존재하면 관리자 토큰임
diff --git a/service/src/main/kotlin/com/sangdol/roomescape/common/log/ApiLogMessageConverter.kt b/service/src/main/kotlin/com/sangdol/roomescape/common/log/ApiLogMessageConverter.kt
index 6ee68b21..f9b7c87b 100644
--- a/service/src/main/kotlin/com/sangdol/roomescape/common/log/ApiLogMessageConverter.kt
+++ b/service/src/main/kotlin/com/sangdol/roomescape/common/log/ApiLogMessageConverter.kt
@@ -2,7 +2,7 @@ package com.sangdol.roomescape.common.log
 
 import com.fasterxml.jackson.databind.ObjectMapper
 import jakarta.servlet.http.HttpServletRequest
-import com.sangdol.roomescape.common.util.MdcPrincipalId
+import com.sangdol.common.utils.MdcPrincipalIdUtil
 
 enum class LogType {
     INCOMING_HTTP_REQUEST,
@@ -33,7 +33,7 @@ class ApiLogMessageConverter(
         controllerPayload: Map<String, Any>,
     ): String {
         val payload: MutableMap<String, Any> = commonRequestPayload(LogType.CONTROLLER_INVOKED, request)
-        val memberId: Long? = MdcPrincipalId.extractAsLongOrNull()
+        val memberId: Long? = MdcPrincipalIdUtil.extractAsLongOrNull()
         if (memberId != null) payload["principal_id"] = memberId else payload["principal_id"] = "NONE"
 
         payload.putAll(controllerPayload)
@@ -47,7 +47,7 @@ class ApiLogMessageConverter(
         payload["endpoint"] = request.endpoint
         payload["status_code"] = request.httpStatus
 
-        MdcPrincipalId.extractAsLongOrNull()
+        MdcPrincipalIdUtil.extractAsLongOrNull()
             ?.let { payload["principal_id"] = it }
             ?: run { payload["principal_id"] = "NONE" }
 
diff --git a/service/src/main/kotlin/com/sangdol/roomescape/common/log/HttpRequestLoggingFilter.kt b/service/src/main/kotlin/com/sangdol/roomescape/common/log/HttpRequestLoggingFilter.kt
index 8fc8670a..bf72e30d 100644
--- a/service/src/main/kotlin/com/sangdol/roomescape/common/log/HttpRequestLoggingFilter.kt
+++ b/service/src/main/kotlin/com/sangdol/roomescape/common/log/HttpRequestLoggingFilter.kt
@@ -9,7 +9,7 @@ import org.slf4j.MDC
 import org.springframework.web.filter.OncePerRequestFilter
 import org.springframework.web.util.ContentCachingRequestWrapper
 import org.springframework.web.util.ContentCachingResponseWrapper
-import com.sangdol.roomescape.common.util.MdcPrincipalId
+import com.sangdol.common.utils.MdcPrincipalIdUtil
 
 private val log: KLogger = KotlinLogging.logger {}
 
@@ -34,7 +34,7 @@ class HttpRequestLoggingFilter(
             cachedResponse.copyBodyToResponse()
         } finally {
             MDC.remove("startTime")
-            MdcPrincipalId.clear()
+            MdcPrincipalIdUtil.clear()
         }
     }
 }
diff --git a/service/src/main/kotlin/com/sangdol/roomescape/common/util/MDCUtils.kt b/service/src/main/kotlin/com/sangdol/roomescape/common/util/MDCUtils.kt
deleted file mode 100644
index 8aa50781..00000000
--- a/service/src/main/kotlin/com/sangdol/roomescape/common/util/MDCUtils.kt
+++ /dev/null
@@ -1,27 +0,0 @@
-package com.sangdol.roomescape.common.util
-
-import org.slf4j.MDC
-import java.util.*
-
-private const val MDC_PRINCIPAL_ID_KEY = "principal_id"
-
-object MdcPrincipalId {
-
-    fun extractAsLongOrNull(): Long? {
-        return MDC.get(MDC_PRINCIPAL_ID_KEY)?.toLong()
-    }
-
-    fun extractAsOptionalLongOrEmpty(): Optional<Long> {
-        return MDC.get(MDC_PRINCIPAL_ID_KEY)?.let {
-            Optional.of(it.toLong())
-        } ?: Optional.empty()
-    }
-
-    fun set(id: String) {
-        MDC.put(MDC_PRINCIPAL_ID_KEY, id)
-    }
-
-    fun clear() {
-        MDC.remove(MDC_PRINCIPAL_ID_KEY)
-    }
-}
diff --git a/service/src/main/kotlin/com/sangdol/roomescape/schedule/infrastructure/persistence/ScheduleEntity.kt b/service/src/main/kotlin/com/sangdol/roomescape/schedule/infrastructure/persistence/ScheduleEntity.kt
index e4a29126..fde4b384 100644
--- a/service/src/main/kotlin/com/sangdol/roomescape/schedule/infrastructure/persistence/ScheduleEntity.kt
+++ b/service/src/main/kotlin/com/sangdol/roomescape/schedule/infrastructure/persistence/ScheduleEntity.kt
@@ -1,7 +1,7 @@
 package com.sangdol.roomescape.schedule.infrastructure.persistence
 
 import com.sangdol.common.persistence.PersistableBaseEntity
-import com.sangdol.roomescape.common.util.MdcPrincipalId
+import com.sangdol.common.utils.MdcPrincipalIdUtil
 import jakarta.persistence.*
 import org.springframework.data.annotation.CreatedBy
 import org.springframework.data.annotation.CreatedDate
@@ -53,7 +53,7 @@ class ScheduleEntity(
     }
 
     fun updateLastModifiedBy() {
-        MdcPrincipalId.extractAsLongOrNull()?.also { this.updatedBy = it }
+        MdcPrincipalIdUtil.extractAsLongOrNull()?.also { this.updatedBy = it }
     }
 }