diff --git a/src/main/java/com/zaxxer/hikari/pool/ProxyConnection.java b/src/main/java/com/zaxxer/hikari/pool/ProxyConnection.java
index f064f9c74..b6dd3f542 100644
--- a/src/main/java/com/zaxxer/hikari/pool/ProxyConnection.java
+++ b/src/main/java/com/zaxxer/hikari/pool/ProxyConnection.java
@@ -160,7 +160,6 @@ final SQLException checkException(SQLException sqle)
             break;
          }
          else if (sqlState != null && sqlState.startsWith("08")
-             || nse instanceof SQLTimeoutException
              || ERROR_STATES.contains(sqlState)
              || ERROR_CODES.contains(nse.getErrorCode())) {