diff --git a/db/v-2/tables/lnk-contest-project.xml b/db/v-2/tables/lnk-contest-project.xml
index 71bd4eab35..220bd7ad15 100644
--- a/db/v-2/tables/lnk-contest-project.xml
+++ b/db/v-2/tables/lnk-contest-project.xml
@@ -76,4 +76,10 @@
       onDelete="CASCADE"/>
   </changeSet>
 
+  <changeSet id="drop-test-suite-ids" author="kgevorkyan">
+    <dropColumn tableName="lnk_contest_project">
+      <column name="best_score"/>
+    </dropColumn>
+  </changeSet>
+
 </databaseChangeLog>
\ No newline at end of file
diff --git a/save-backend/src/main/kotlin/com/saveourtool/save/backend/service/LnkContestProjectService.kt b/save-backend/src/main/kotlin/com/saveourtool/save/backend/service/LnkContestProjectService.kt
index 23a472313e..12602371ba 100644
--- a/save-backend/src/main/kotlin/com/saveourtool/save/backend/service/LnkContestProjectService.kt
+++ b/save-backend/src/main/kotlin/com/saveourtool/save/backend/service/LnkContestProjectService.kt
@@ -57,7 +57,7 @@ class LnkContestProjectService(
      * @return best score of [project] under [Contest] with name [contestName]
      */
     fun getBestScoreOfProjectInContestWithName(project: Project, contestName: String) =
-            lnkContestProjectRepository.findByProjectAndContestName(project, contestName)?.bestScore
+            lnkContestProjectRepository.findByProjectAndContestName(project, contestName)?.bestExecution?.score
 
     /**
      * @param project a [Project]
@@ -68,7 +68,7 @@ class LnkContestProjectService(
     fun saveLnkContestProject(project: Project, contest: Contest): Boolean = if (lnkContestProjectRepository.findByContestAndProject(contest, project).isPresent) {
         false
     } else {
-        lnkContestProjectRepository.save(LnkContestProject(project, contest, null, 0.0))
+        lnkContestProjectRepository.save(LnkContestProject(project, contest, null))
         true
     }
 
@@ -87,7 +87,7 @@ class LnkContestProjectService(
             .orElseThrow {
                 IllegalStateException("Project ${project.shortToString()} is not bound to contest name=${contest.name}")
             }
-        val oldBestScore = lnkContestProject.bestScore
+        val oldBestScore = lnkContestProject.bestExecution?.score
         if (oldBestScore == null || oldBestScore <= newScore) {
             logger.debug {
                 "For project ${project.shortToString()} updating best_score from execution " +
@@ -95,7 +95,6 @@ class LnkContestProjectService(
                         "[id=${newExecution.id},score=$newScore]"
             }
             lnkContestProject.bestExecution = newExecution
-            lnkContestProject.bestScore = newExecution.score
             lnkContestProjectRepository.save(lnkContestProject)
 
             updateProjectContestRating(project)
@@ -104,7 +103,7 @@ class LnkContestProjectService(
 
     private fun updateProjectContestRating(project: Project) {
         val projectContestRating = lnkContestProjectRepository.findByProject(project).mapNotNull {
-            it.bestScore
+            it.bestExecution?.score
         }.sum()
 
         projectService.updateProject(project.apply {
diff --git a/save-backend/src/test/kotlin/com/saveourtool/save/backend/service/LnkContestProjectServiceTest.kt b/save-backend/src/test/kotlin/com/saveourtool/save/backend/service/LnkContestProjectServiceTest.kt
index 82460f235e..315b087c2e 100644
--- a/save-backend/src/test/kotlin/com/saveourtool/save/backend/service/LnkContestProjectServiceTest.kt
+++ b/save-backend/src/test/kotlin/com/saveourtool/save/backend/service/LnkContestProjectServiceTest.kt
@@ -36,7 +36,7 @@ class LnkContestProjectServiceTest {
         then(lnkContestProjectRepository)
             .should(times(1))
             .save(argWhere {
-                abs(it.bestScore!! - 4.0) < 1e-4
+                abs(it.bestExecution?.score!! - 4.0) < 1e-4
             })
     }
 
@@ -54,7 +54,7 @@ class LnkContestProjectServiceTest {
         then(lnkContestProjectRepository)
             .should(times(1))
             .save(argWhere {
-                abs(it.bestScore!! - 4.0) < 1e-4
+                abs(it.bestExecution?.score!! - 4.0) < 1e-4
             })
     }
 
@@ -80,7 +80,7 @@ class LnkContestProjectServiceTest {
         @Suppress("PARAMETER_NAME_IN_OUTER_LAMBDA")
         given(lnkContestProjectRepository.findByContestAndProject(any(), any()))
             .willAnswer {
-                LnkContestProject(it.arguments[1] as Project, it.arguments[0] as Contest, oldBestExecution, oldBestExecution?.score)
+                LnkContestProject(it.arguments[1] as Project, it.arguments[0] as Contest, oldBestExecution)
                     .let { Optional.of(it) }
             }
     }
diff --git a/save-cloud-common/src/jvmMain/kotlin/com/saveourtool/save/entities/LnkContestProject.kt b/save-cloud-common/src/jvmMain/kotlin/com/saveourtool/save/entities/LnkContestProject.kt
index 8805a00681..84f290afa0 100644
--- a/save-cloud-common/src/jvmMain/kotlin/com/saveourtool/save/entities/LnkContestProject.kt
+++ b/save-cloud-common/src/jvmMain/kotlin/com/saveourtool/save/entities/LnkContestProject.kt
@@ -10,7 +10,6 @@ import javax.persistence.OneToOne
  * @property project
  * @property contest
  * @property bestExecution
- * @property bestScore
  */
 @Entity
 class LnkContestProject(
@@ -25,9 +24,6 @@ class LnkContestProject(
     @OneToOne
     @JoinColumn(name = "best_execution_id")
     var bestExecution: Execution?,
-
-    var bestScore: Double?,
-
 ) : BaseEntity() {
     /**
      * Get [ContestResult]