diff --git a/plugins/github/github-core/resources/graphql/fragment/pullRequestInfo.graphql b/plugins/github/github-core/resources/graphql/fragment/pullRequestInfo.graphql
index 6cf33678154d..8fdb4d8c5d9d 100644
--- a/plugins/github/github-core/resources/graphql/fragment/pullRequestInfo.graphql
+++ b/plugins/github/github-core/resources/graphql/fragment/pullRequestInfo.graphql
@@ -10,11 +10,6 @@ fragment pullRequestInfo on PullRequest {
 
   reviewDecision
 
-  baseRef {
-    refUpdateRule {
-      ...refUpdateRule
-    }
-  }
   baseRefName
   baseRefOid
   baseRepository {
diff --git a/plugins/github/github-core/src/org/jetbrains/plugins/github/api/data/pullrequest/GHPullRequest.kt b/plugins/github/github-core/src/org/jetbrains/plugins/github/api/data/pullrequest/GHPullRequest.kt
index 1542b38d60de..cf918e663b63 100644
--- a/plugins/github/github-core/src/org/jetbrains/plugins/github/api/data/pullrequest/GHPullRequest.kt
+++ b/plugins/github/github-core/src/org/jetbrains/plugins/github/api/data/pullrequest/GHPullRequest.kt
@@ -40,8 +40,6 @@ class GHPullRequest(id: String,
                        assignees, labels, reviewRequests, reviewThreads,
                        reviews, mergeable, viewerCanUpdate, viewerCanReact, viewerDidAuthor, reactions) {
 
-  data class BaseRef(val refUpdateRule: GHRefUpdateRule?)
-
   override fun equals(other: Any?): Boolean {
     if (this === other) return true
     if (other !is GHPullRequest) return false
diff --git a/plugins/github/github-core/src/org/jetbrains/plugins/github/api/data/pullrequest/GHPullRequestMergeabilityData.kt b/plugins/github/github-core/src/org/jetbrains/plugins/github/api/data/pullrequest/GHPullRequestMergeabilityData.kt
index 0d3cb87b1e4a..b6fa9c17ba64 100644
--- a/plugins/github/github-core/src/org/jetbrains/plugins/github/api/data/pullrequest/GHPullRequestMergeabilityData.kt
+++ b/plugins/github/github-core/src/org/jetbrains/plugins/github/api/data/pullrequest/GHPullRequestMergeabilityData.kt
@@ -6,7 +6,6 @@ import com.intellij.collaboration.api.dto.GraphQLConnectionDTO
 import com.intellij.collaboration.api.dto.GraphQLCursorPageInfoDTO
 import com.intellij.collaboration.api.dto.GraphQLFragment
 import org.jetbrains.plugins.github.api.data.GHRefUpdateRule
-import org.jetbrains.plugins.github.api.data.pullrequest.GHPullRequest.BaseRef
 
 @GraphQLFragment("/graphql/fragment/pullRequestMergeability.graphql")
 data class GHPullRequestMergeabilityData(
@@ -23,4 +22,6 @@ data class GHPullRequestMergeabilityData(
     pageInfo: GraphQLCursorPageInfoDTO,
     nodes: List<GHPullRequestCommitWithCheckStatuses> = listOf()
   ) : GraphQLConnectionDTO<GHPullRequestCommitWithCheckStatuses>(pageInfo, nodes)
+
+  data class BaseRef(val refUpdateRule: GHRefUpdateRule?)
 }
\ No newline at end of file