diff --git a/src/ui/form/stat/pages/connectionspage.cpp b/src/ui/form/stat/pages/connectionspage.cpp
index f9fbabd4..ab4468db 100644
--- a/src/ui/form/stat/pages/connectionspage.cpp
+++ b/src/ui/form/stat/pages/connectionspage.cpp
@@ -135,7 +135,7 @@ QLayout *ConnectionsPage::setupHeader()
         }
     });
     connect(m_actClearAll, &QAction::triggered, this, [&] {
-        windowManager()->showConfirmBox([&] { connBlockListModel()->clear(); },
+        windowManager()->showConfirmBox([&] { ctrl()->deleteBlockedConn(); },
                 tr("Are you sure to remove all connections?"));
     });
 
@@ -288,7 +288,7 @@ void ConnectionsPage::deleteConn(int row)
     if (connRow.isNull())
         return;
 
-    connBlockListModel()->deleteConn(connRow.connId);
+    ctrl()->deleteBlockedConn(connRow.connId);
 }
 
 int ConnectionsPage::connListCurrentIndex() const
diff --git a/src/ui/form/stat/statisticscontroller.cpp b/src/ui/form/stat/statisticscontroller.cpp
index d0f69249..2f5ab34b 100644
--- a/src/ui/form/stat/statisticscontroller.cpp
+++ b/src/ui/form/stat/statisticscontroller.cpp
@@ -1,3 +1,16 @@
 #include "statisticscontroller.h"
 
+#include <stat/statblockmanager.h>
+#include <util/ioc/ioccontainer.h>
+
 StatisticsController::StatisticsController(QObject *parent) : BaseController(parent) { }
+
+StatBlockManager *StatisticsController::statBlockManager() const
+{
+    return IoC<StatBlockManager>();
+}
+
+void StatisticsController::deleteBlockedConn(qint64 connIdTo)
+{
+    statBlockManager()->deleteConn(connIdTo);
+}
diff --git a/src/ui/form/stat/statisticscontroller.h b/src/ui/form/stat/statisticscontroller.h
index d9f44287..7d2038eb 100644
--- a/src/ui/form/stat/statisticscontroller.h
+++ b/src/ui/form/stat/statisticscontroller.h
@@ -3,6 +3,8 @@
 
 #include <form/basecontroller.h>
 
+class StatBlockManager;
+
 class StatisticsController : public BaseController
 {
     Q_OBJECT
@@ -10,6 +12,10 @@ class StatisticsController : public BaseController
 public:
     explicit StatisticsController(QObject *parent = nullptr);
 
+    StatBlockManager *statBlockManager() const;
+
+    void deleteBlockedConn(qint64 connIdTo = 0);
+
 signals:
     void afterSaveWindowState(IniUser *ini);
     void afterRestoreWindowState(IniUser *ini);
diff --git a/src/ui/model/connblocklistmodel.cpp b/src/ui/model/connblocklistmodel.cpp
index 75f6b92d..4b3b8d54 100644
--- a/src/ui/model/connblocklistmodel.cpp
+++ b/src/ui/model/connblocklistmodel.cpp
@@ -321,11 +321,6 @@ QVariant ConnBlockListModel::dataDecoration(const QModelIndex &index) const
     return QVariant();
 }
 
-void ConnBlockListModel::deleteConn(qint64 connIdTo)
-{
-    statBlockManager()->deleteConn(connIdTo);
-}
-
 const ConnRow &ConnBlockListModel::connRowAt(int row) const
 {
     updateRowCache(row);
@@ -333,13 +328,6 @@ const ConnRow &ConnBlockListModel::connRowAt(int row) const
     return m_connRow;
 }
 
-void ConnBlockListModel::clear()
-{
-    statBlockManager()->deleteConn();
-
-    hostInfoCache()->clear();
-}
-
 void ConnBlockListModel::updateConnIdRange()
 {
     const qint64 oldIdMin = connIdMin();
@@ -351,6 +339,10 @@ void ConnBlockListModel::updateConnIdRange()
     if (idMin == oldIdMin && idMax == oldIdMax)
         return;
 
+    if (idMax == 0) {
+        hostInfoCache()->clear();
+    }
+
     updateConnRows(oldIdMin, oldIdMax, idMin, idMax);
 }
 
diff --git a/src/ui/model/connblocklistmodel.h b/src/ui/model/connblocklistmodel.h
index 2f6be9a1..a7b0c755 100644
--- a/src/ui/model/connblocklistmodel.h
+++ b/src/ui/model/connblocklistmodel.h
@@ -59,13 +59,8 @@ public:
             int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
     QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
 
-    void deleteConn(qint64 connIdTo);
-
     const ConnRow &connRowAt(int row) const;
 
-public slots:
-    void clear();
-
 protected slots:
     void updateConnIdRange();