diff --git a/src/app/pages/detail/detail.component.ts b/src/app/pages/detail/detail.component.ts
index 2cf0775..4513b43 100644
--- a/src/app/pages/detail/detail.component.ts
+++ b/src/app/pages/detail/detail.component.ts
@@ -139,7 +139,7 @@ export class DetailComponent implements AfterViewInit, OnDestroy {
 
     this.cards = this.createCards();
 
-    this.subscriptions.push(<Subscription>this.daemonData.syncStart.subscribe((info) => {
+    const syncStartSub: Subscription = this.daemonData.syncStart.subscribe((info) => {
       if(!info.first) {
         return;
       }
@@ -147,14 +147,15 @@ export class DetailComponent implements AfterViewInit, OnDestroy {
       this.ngZone.run(() => {
         this.cards = this.createCards();
       });
+    });
 
-    }));
-
-    this.subscriptions.push(<Subscription>this.daemonData.syncInfoRefreshEnd.subscribe(() => {
+    const syncInfoRefreshEndSub: Subscription = this.daemonData.syncInfoRefreshEnd.subscribe(() => {
       this.refreshTables();
 
       this.cards = this.createCards();
-    }));
+    });
+
+    this.subscriptions.push(syncStartSub, syncInfoRefreshEndSub);
 
    }
 
diff --git a/src/app/pages/network/network.component.ts b/src/app/pages/network/network.component.ts
index a9bb59f..cfe89aa 100644
--- a/src/app/pages/network/network.component.ts
+++ b/src/app/pages/network/network.component.ts
@@ -41,13 +41,15 @@ export class NetworkComponent implements AfterViewInit, OnDestroy {
       new NavbarLink('pills-limits-tab', '#pills-limit', 'pills-limit', false, 'Limit')
     ];
 
-    this.subscriptions.push(<Subscription>this.daemonData.netStatsRefreshEnd.subscribe(() => {
+    const netStatsRefreshStartSub: Subscription = this.daemonData.netStatsRefreshEnd.subscribe(() => {
       this.refreshNetStatsHistory();
-    }));
+    });
 
-    this.subscriptions.push(<Subscription>this.daemonData.syncEnd.subscribe(() => {
+    const syncEndSub: Subscription = this.daemonData.syncEnd.subscribe(() => {
       this.loadConnectionsTable();
-    }));
+    });
+
+    this.subscriptions.push(netStatsRefreshStartSub, syncEndSub);
 
     this.daemonService.onDaemonStatusChanged.subscribe((running: boolean) => {
       if (!running) {
diff --git a/src/app/pages/peers/peers.component.ts b/src/app/pages/peers/peers.component.ts
index 98640e3..02a68de 100644
--- a/src/app/pages/peers/peers.component.ts
+++ b/src/app/pages/peers/peers.component.ts
@@ -66,7 +66,7 @@ export class PeersComponent implements AfterViewInit, OnDestroy {
       $publicNodesTable.bootstrapTable('load', this.daemonData.publicNodes);
       $peerListTable.bootstrapTable('load', this.daemonData.peerList);
 
-      const sub = <Subscription>this.daemonData.syncEnd.subscribe(() => {
+      const sub: Subscription = this.daemonData.syncEnd.subscribe(() => {
         $publicNodesTable.bootstrapTable('load', this.daemonData.publicNodes);
         //$peerListTable.bootstrapTable('load', this.daemonData.peerList);
       });
diff --git a/src/app/pages/transactions/transactions.component.ts b/src/app/pages/transactions/transactions.component.ts
index 5b9bf48..4e03708 100644
--- a/src/app/pages/transactions/transactions.component.ts
+++ b/src/app/pages/transactions/transactions.component.ts
@@ -100,9 +100,10 @@ export class TransactionsComponent implements AfterViewInit, OnDestroy {
       this.navbarService.setLinks(this.navbarLinks);
       
       this.initTables();
-      this.subscriptions.push(<Subscription>this.daemonData.syncEnd.subscribe(() => {
-        this.refreshTables();
-      }));
+
+      const onSyncEndSub: Subscription = this.daemonData.syncEnd.subscribe(() => this.refreshTables());
+
+      this.subscriptions.push(onSyncEndSub);
     });
   }