diff --git a/src/main/java/com/zaxxer/hikari/metrics/CodaHaleMetricsTracker.java b/src/main/java/com/zaxxer/hikari/metrics/CodaHaleMetricsTracker.java
index 6e6093a59..bad670856 100644
--- a/src/main/java/com/zaxxer/hikari/metrics/CodaHaleMetricsTracker.java
+++ b/src/main/java/com/zaxxer/hikari/metrics/CodaHaleMetricsTracker.java
@@ -21,12 +21,9 @@
 import com.codahale.metrics.MetricRegistry;
 import com.codahale.metrics.Timer;
 import com.zaxxer.hikari.pool.PoolEntry;
-import com.zaxxer.hikari.util.ClockSource;
 
 public final class CodaHaleMetricsTracker extends MetricsTracker
 {
-   private static final ClockSource clockSource = ClockSource.INSTANCE;
-
    private final String poolName;
    private final Timer connectionObtainTimer;
    private final Histogram connectionUsage;
@@ -95,7 +92,7 @@ public Context recordConnectionRequest()
    @Override
    public void recordConnectionUsage(final PoolEntry bagEntry)
    {
-      connectionUsage.update(clockSource.elapsedMillis(bagEntry.lastOpenTime));
+      connectionUsage.update(bagEntry.getElapsedMillis());
    }
 
    public Timer getConnectionAcquisitionTimer()
@@ -122,12 +119,5 @@ public void stop()
       {
          innerContext.stop();
       }
-
-      /** {@inheritDoc} */
-      @Override
-      public void setConnectionLastOpen(final PoolEntry bagEntry, final long now)
-      {
-         bagEntry.lastOpenTime = now;
-      }
    }
 }
diff --git a/src/main/java/com/zaxxer/hikari/metrics/MetricsTracker.java b/src/main/java/com/zaxxer/hikari/metrics/MetricsTracker.java
index b86060d8a..2fe90c9ab 100644
--- a/src/main/java/com/zaxxer/hikari/metrics/MetricsTracker.java
+++ b/src/main/java/com/zaxxer/hikari/metrics/MetricsTracker.java
@@ -17,7 +17,6 @@
 package com.zaxxer.hikari.metrics;
 
 import com.zaxxer.hikari.pool.PoolEntry;
-import com.zaxxer.hikari.util.ClockSource;
 
 /**
  * This class only supports realtime, not historical metrics.
@@ -59,16 +58,5 @@ public void stop()
       {
          // do nothing
       }
-
-      /**
-       * Set the lastOpenTime on the provided bag entry.
-       *
-       * @param bagEntry the bag entry
-       * @param now the last open timestamp from {@link ClockSource#currentTime()}
-       */
-      public void setConnectionLastOpen(final PoolEntry bagEntry, final long now)
-      {
-         // do nothing
-      }
    }
 }
diff --git a/src/main/java/com/zaxxer/hikari/pool/HikariPool.java b/src/main/java/com/zaxxer/hikari/pool/HikariPool.java
index b2e52238f..5382c3841 100644
--- a/src/main/java/com/zaxxer/hikari/pool/HikariPool.java
+++ b/src/main/java/com/zaxxer/hikari/pool/HikariPool.java
@@ -171,7 +171,7 @@ public final Connection getConnection(final long hardTimeout) throws SQLExceptio
                timeout = hardTimeout - clockSource.elapsedMillis(startTime, now);
             }
             else {
-               metricsContext.setConnectionLastOpen(poolEntry, now);
+               poolEntry.lastOpenTime = now;
                metricsContext.stop();
                return poolEntry.createProxyConnection(leakTask.start(poolEntry), now);
             }
diff --git a/src/main/java/com/zaxxer/hikari/pool/PoolBase.java b/src/main/java/com/zaxxer/hikari/pool/PoolBase.java
index 46adb728a..22253a095 100644
--- a/src/main/java/com/zaxxer/hikari/pool/PoolBase.java
+++ b/src/main/java/com/zaxxer/hikari/pool/PoolBase.java
@@ -29,7 +29,7 @@
 
 abstract class PoolBase
 {
-   protected final Logger LOGGER = LoggerFactory.getLogger(PoolBase.class);
+   private final Logger LOGGER = LoggerFactory.getLogger(PoolBase.class);
    protected final HikariConfig config;
    protected final String poolName;
    protected long connectionTimeout;
diff --git a/src/main/java/com/zaxxer/hikari/pool/PoolEntry.java b/src/main/java/com/zaxxer/hikari/pool/PoolEntry.java
index 6bcdf3bad..251b74581 100644
--- a/src/main/java/com/zaxxer/hikari/pool/PoolEntry.java
+++ b/src/main/java/com/zaxxer/hikari/pool/PoolEntry.java
@@ -37,11 +37,11 @@ public final class PoolEntry implements IConcurrentBagEntry
 {
    private static final Logger LOGGER = LoggerFactory.getLogger(PoolEntry.class);
 
-   public Connection connection;
-   public long lastAccess;
+   Connection connection;
+   long lastAccess;
 
-   public volatile long lastOpenTime;
-   public volatile boolean evict;
+   volatile long lastOpenTime;
+   volatile boolean evict;
 
    private final FastList<Statement> openStatements;
    private final PoolBase poolBase;
@@ -63,7 +63,7 @@ public final class PoolEntry implements IConcurrentBagEntry
     *
     * @param lastAccess last access time-stamp
     */
-   public void recycle(final long lastAccess)
+   void recycle(final long lastAccess)
    {
       this.lastAccess = lastAccess;
       poolBase.releaseConnection(this);
@@ -72,7 +72,7 @@ public void recycle(final long lastAccess)
    /**
     * @param endOfLife
     */
-   public void setFutureEol(final ScheduledFuture<?> endOfLife)
+   void setFutureEol(final ScheduledFuture<?> endOfLife)
    {
       this.endOfLife = endOfLife;
    }
@@ -92,7 +92,7 @@ public String getPoolName()
       return poolBase.getPoolName();
    }
 
-   public Connection getConnection()
+   Connection getConnection()
    {
       return connection;
    }
@@ -107,16 +107,22 @@ public boolean isEvicted()
       return evict;
    }
 
-   public void evict()
+   void evict()
    {
       this.evict = true;
    }
 
-   public FastList<Statement> getStatementsList()
+   FastList<Statement> getStatementsList()
    {
       return openStatements;
    }
 
+   /** Returns millis since lastOpenTime */
+   public long getElapsedMillis()
+   {
+      return ClockSource.INSTANCE.elapsedMillis(lastOpenTime);
+   }
+
    // ***********************************************************************
    //                      IConcurrentBagEntry methods
    // ***********************************************************************