diff --git a/ykval-common.php b/ykval-common.php
index a736679..d24e8de 100644
--- a/ykval-common.php
+++ b/ykval-common.php
@@ -91,19 +91,6 @@ function getUTCTimeStamp() {
 	return date('Y-m-d\TH:i:s\Z0', time()) . $tiny;
 }
 
-# NOTE: When we evolve to using general DB-interface, this functinality
-# should be moved there.
-function DbTimeToUnix($db_time)
-{
-  $unix=strptime($db_time, '%F %H:%M:%S');
-  return mktime($unix[tm_hour], $unix[tm_min], $unix[tm_sec], $unix[tm_mon]+1, $unix[tm_mday], $unix[tm_year]+1900);
-}
-
-function UnixToDbTime($unix)
-{
-  return date('Y-m-d H:i:s', $unix);
-}
-
 // Sign a http query string in the array of key-value pairs
 // return b64 encoded hmac hash
 function sign($a, $apiKey, $logger) {
@@ -120,16 +107,6 @@ function sign($a, $apiKey, $logger) {
 
 } // sign an array of query string
 
-function hex2b64 ($hex_str) {
-  $bin = pack("H*", $hex_str);
-  return base64_encode($bin);
-}
-
-function modhex2b64 ($modhex_str) {
-  $hex_str = strtr ($modhex_str, "cbdefghijklnrtuv", "0123456789abcdef");
-  return hex2b64($hex_str);
-}
-
 function curl_settings($logger, $ident, $handle, $url, $timeout, $curlopts) {
   //configure "hard" options
   $logger->log(LOG_DEBUG, $ident . " adding URL : " . $url);
diff --git a/ykval-db-pdo.php b/ykval-db-pdo.php
index b603ce5..302dbd7 100644
--- a/ykval-db-pdo.php
+++ b/ykval-db-pdo.php
@@ -126,11 +126,6 @@ class DbImpl extends Db
     if($result) $result->closeCursor();
   }
 
-  public function truncateTable($name)
-  {
-    $this->query("TRUNCATE TABLE " . $name);
-  }
-
   /**
    * main function used to get rows by multiple key=>value pairs from Db table.
    *
diff --git a/ykval-db.php b/ykval-db.php
index 556469a..5928e54 100644
--- a/ykval-db.php
+++ b/ykval-db.php
@@ -108,11 +108,6 @@ abstract class Db
     else return False;
   }
 
-  public function truncateTable($name)
-  {
-    $this->query("TRUNCATE TABLE " . $name);
-  }
-
   /**
    * function to update row in database by a where condition
    *
@@ -267,37 +262,4 @@ or false on failure.
   {
     return $this->query($query, true);
   }
-
-  /**
-   * helper function used to get rows from Db table in reversed order.
-   * defaults to obtaining 1 row.
-   *
-   * @param string $table Database table to update row in
-   * @param string $key Column to select rows by
-   * @param string $value Value to select rows by
-   * @param int $nr Number of rows to collect. NULL=>inifinity. Default=1.
-   * @return mixed Array with values from Db row or 2d-array with multiple rows or false on failure.
-   *
-   */
-  public function lastBy($table, $key, $value, $nr=1)
-  {
-    return Db::findBy($table, $key, $value, $nr, 1);
-  }
-
-  /**
-   * helper function used to get rows from Db table in standard order.
-   * defaults to obtaining 1 row.
-   *
-   * @param string $table Database table to update row in
-   * @param string $key Column to select rows by
-   * @param string $value Value to select rows by
-   * @param int $nr Number of rows to collect. NULL=>inifinity. Default=1.
-   * @return mixed Array with values from Db row or 2d-array with multiple rows or false on failure.
-   *
-   */
-  public function firstBy($table, $key, $value, $nr=1)
-  {
-    return Db::findBy($table, $key, $value, $nr);
-  }
-
 }
diff --git a/ykval-synclib.php b/ykval-synclib.php
index d234615..9f59c8e 100644
--- a/ykval-synclib.php
+++ b/ykval-synclib.php
@@ -63,25 +63,11 @@ class SyncLib
     return $this->isConnected;
   }
 
-  function DbTimeToUnix($db_time)
-  {
-    $unix=strptime($db_time, '%F %H:%M:%S');
-    return mktime($unix[tm_hour], $unix[tm_min], $unix[tm_sec], $unix[tm_mon]+1, $unix[tm_mday], $unix[tm_year]+1900);
-  }
-
   function UnixToDbTime($unix)
   {
     return date('Y-m-d H:i:s', $unix);
   }
 
-  function getServer($index)
-  {
-    if (isset($this->syncServers[$index]))
-      return $this->syncServers[$index];
-
-    return "";
-  }
-
   function getClientData($client)
   {
     $res = $this->db->customQuery("SELECT id, secret FROM clients WHERE active='1' AND id='" . $client . "'");