diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/PumpCombo/ComboFragment.java b/app/src/main/java/info/nightscout/androidaps/plugins/PumpCombo/ComboFragment.java
index 647bbf6515..365a4db845 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/PumpCombo/ComboFragment.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/PumpCombo/ComboFragment.java
@@ -157,7 +157,7 @@ public class ComboFragment extends SubscriberFragment implements View.OnClickLis
                         double bolusHoursAgo = agoMsc / 60d / 60d / 1000d;
                         // TODO i18n
                         if ((agoMsc < 60 * 1000)) {
-                            lastBolusView.setText(String.format("%.1f U (now)", bolus.amount, (int) bolusMinAgo));
+                            lastBolusView.setText(String.format("%.1f U (now)", bolus.amount));
                         } else if (bolusMinAgo < 60) {
                             lastBolusView.setText(String.format("%.1f U (%d min ago)", bolus.amount, (int) bolusMinAgo));
 //                            lastBolusView.setText(getString(R.string.combo_last_bolus, bolus.amount,
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/PumpCombo/ComboPlugin.java b/app/src/main/java/info/nightscout/androidaps/plugins/PumpCombo/ComboPlugin.java
index d40b4be56e..184a494da2 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/PumpCombo/ComboPlugin.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/PumpCombo/ComboPlugin.java
@@ -525,7 +525,6 @@ public class ComboPlugin implements PluginBase, PumpInterface, ConstraintsInterf
             ConfigBuilderPlugin treatmentsInterface = MainApp.getConfigBuilder();
             treatmentsInterface.addToHistoryTempBasal(tempStart);
 
-            pump.tbrSetTime = state.timestamp;
             MainApp.bus().post(new EventComboPumpUpdateGUI());
         }
 
@@ -632,8 +631,6 @@ public class ComboPlugin implements PluginBase, PumpInterface, ConstraintsInterf
                 pump.lastSuccessfulCmdTime = System.currentTimeMillis();
             }
 
-            pump.lastCmdResult = commandResult;
-
             if (commandResult.success) {
                 updateLocalData(commandResult);
             }
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/PumpCombo/ComboPump.java b/app/src/main/java/info/nightscout/androidaps/plugins/PumpCombo/ComboPump.java
index f1054f0f8e..50cfcc42c2 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/PumpCombo/ComboPump.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/PumpCombo/ComboPump.java
@@ -18,8 +18,6 @@ class ComboPump {
     boolean initialized = false;
     volatile long lastSuccessfulCmdTime;
 
-    @Nullable
-    volatile CommandResult lastCmdResult;
     public volatile String activity;
     @NonNull
     volatile PumpState state = new PumpState();
@@ -28,9 +26,6 @@ class ComboPump {
     @NonNull
     volatile BasalProfile basalProfile = new BasalProfile();
 
-    /** Time the active TBR was set (if any). Needed to calculate remaining time in fragment */
-    long tbrSetTime;
-
     // Last known history record times to skip over old ones when reading history
     long lastHistoryBolusTime = PumpHistoryRequest.FULL;
     long lastHistoryTbrTime = PumpHistoryRequest.FULL;
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/PumpCombo/ComboTddHistoryDialog.java b/app/src/main/java/info/nightscout/androidaps/plugins/PumpCombo/ComboTddHistoryDialog.java
index c69fb5bfe5..ea06afbb25 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/PumpCombo/ComboTddHistoryDialog.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/PumpCombo/ComboTddHistoryDialog.java
@@ -7,9 +7,6 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.TextView;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import java.text.SimpleDateFormat;
 import java.util.List;
 
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/PumpCombo/activities/PairingActivity.java b/app/src/main/java/info/nightscout/androidaps/plugins/PumpCombo/activities/PairingActivity.java
index c4456d3c8c..29e9d283ba 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/PumpCombo/activities/PairingActivity.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/PumpCombo/activities/PairingActivity.java
@@ -100,11 +100,7 @@ public class PairingActivity extends AppCompatActivity {
         }
 
         mDevices.add(item);
-        new Handler().post(new Runnable() {
-            public void run() {
-                mListAdapter.notifyDataSetChanged();
-            }
-        });
+        new Handler().post(() -> mListAdapter.notifyDataSetChanged());
     }
 
     private ScanCallback mBleScanCallback = new ScanCallback() {