diff --git a/models/org.go b/models/org.go
index 1cc25231e..0f6bcef7f 100644
--- a/models/org.go
+++ b/models/org.go
@@ -460,21 +460,21 @@ func removeOrgUser(sess *xorm.Session, orgID, userID int64) error {
 		return nil
 	}
 
-	org, err := GetUserByID(orgID)
+	org, err := getUserByID(sess, orgID)
 	if err != nil {
 		return fmt.Errorf("GetUserByID [%d]: %v", orgID, err)
 	}
 
 	// Check if the user to delete is the last member in owner team.
-	if isOwner, err := IsOrganizationOwner(orgID, userID); err != nil {
+	if isOwner, err := isOrganizationOwner(sess, orgID, userID); err != nil {
 		return err
 	} else if isOwner {
-		t, err := org.GetOwnerTeam()
+		t, err := org.getOwnerTeam(sess)
 		if err != nil {
 			return err
 		}
 		if t.NumMembers == 1 {
-			if err := t.GetMembers(); err != nil {
+			if err := t.getMembers(sess); err != nil {
 				return err
 			}
 			if t.Members[0].ID == userID {
@@ -490,7 +490,7 @@ func removeOrgUser(sess *xorm.Session, orgID, userID int64) error {
 	}
 
 	// Delete all repository accesses and unwatch them.
-	env, err := org.AccessibleReposEnv(userID)
+	env, err := org.accessibleReposEnv(sess, userID)
 	if err != nil {
 		return fmt.Errorf("AccessibleReposEnv: %v", err)
 	}
@@ -618,16 +618,26 @@ type accessibleReposEnv struct {
 	org     *User
 	userID  int64
 	teamIDs []int64
+	e       Engine
 }
 
 // AccessibleReposEnv an AccessibleReposEnvironment for the repositories in `org`
 // that are accessible to the specified user.
 func (org *User) AccessibleReposEnv(userID int64) (AccessibleReposEnvironment, error) {
-	teamIDs, err := org.GetUserTeamIDs(userID)
+	return org.accessibleReposEnv(x, userID)
+}
+
+func (org *User) accessibleReposEnv(e Engine, userID int64) (AccessibleReposEnvironment, error) {
+	teamIDs, err := org.getUserTeamIDs(e, userID)
 	if err != nil {
 		return nil, err
 	}
-	return &accessibleReposEnv{org: org, userID: userID, teamIDs: teamIDs}, nil
+	return &accessibleReposEnv{
+		org:     org,
+		userID:  userID,
+		teamIDs: teamIDs,
+		e:       e,
+	}, nil
 }
 
 func (env *accessibleReposEnv) cond() builder.Cond {
@@ -642,7 +652,7 @@ func (env *accessibleReposEnv) cond() builder.Cond {
 }
 
 func (env *accessibleReposEnv) CountRepos() (int64, error) {
-	repoCount, err := x.
+	repoCount, err := env.e.
 		Join("INNER", "team_repo", "`team_repo`.repo_id=`repository`.id").
 		Where(env.cond()).
 		Distinct("`repository`.id").
@@ -659,7 +669,7 @@ func (env *accessibleReposEnv) RepoIDs(page, pageSize int) ([]int64, error) {
 	}
 
 	repoIDs := make([]int64, 0, pageSize)
-	return repoIDs, x.
+	return repoIDs, env.e.
 		Table("repository").
 		Join("INNER", "team_repo", "`team_repo`.repo_id=`repository`.id").
 		Where(env.cond()).
@@ -681,14 +691,14 @@ func (env *accessibleReposEnv) Repos(page, pageSize int) ([]*Repository, error)
 		return repos, nil
 	}
 
-	return repos, x.
+	return repos, env.e.
 		In("`repository`.id", repoIDs).
 		Find(&repos)
 }
 
 func (env *accessibleReposEnv) MirrorRepoIDs() ([]int64, error) {
 	repoIDs := make([]int64, 0, 10)
-	return repoIDs, x.
+	return repoIDs, env.e.
 		Table("repository").
 		Join("INNER", "team_repo", "`team_repo`.repo_id=`repository`.id AND `repository`.is_mirror=?", true).
 		Where(env.cond()).
@@ -709,7 +719,7 @@ func (env *accessibleReposEnv) MirrorRepos() ([]*Repository, error) {
 		return repos, nil
 	}
 
-	return repos, x.
+	return repos, env.e.
 		In("`repository`.id", repoIDs).
 		Find(&repos)
 }