diff --git a/src/main/java/io/r2dbc/pool/ConnectionPool.java b/src/main/java/io/r2dbc/pool/ConnectionPool.java
index 3d3612e..5c57f9c 100644
--- a/src/main/java/io/r2dbc/pool/ConnectionPool.java
+++ b/src/main/java/io/r2dbc/pool/ConnectionPool.java
@@ -268,7 +268,6 @@ private InstrumentedPool<Connection> createConnectionPool(ConnectionPoolConfigur
             return isIdleTimeExceeded || isLifeTimeExceeded;
         };
 
-        int cpuCount = Runtime.getRuntime().availableProcessors();
         PoolBuilder<Connection, PoolConfig<Connection>> builder = PoolBuilder.from(allocator)
                 .clock(configuration.getClock())
                 .metricsRecorder(metricsRecorder)
@@ -287,8 +286,8 @@ private InstrumentedPool<Connection> createConnectionPool(ConnectionPoolConfigur
         if (!backgroundEvictionInterval.isZero()) {
             if (!backgroundEvictionInterval.isNegative()) {
                 builder.evictInBackground(backgroundEvictionInterval);
-            } else if (!configuration.getMaxIdleTime().isNegative()) {
-                builder.evictInBackground(configuration.getMaxIdleTime());
+            } else if (!maxIdleTime.isNegative()) {
+                builder.evictInBackground(maxIdleTime);
             }
         }