diff --git a/lib/SimpleSAML/IdP.php b/lib/SimpleSAML/IdP.php
index e44f924b7229c240ea2b59a95ff22f70c0f0b8bb..3e78719e15aaf6f542eb5fe3684624a8b327b4f8 100644
--- a/lib/SimpleSAML/IdP.php
+++ b/lib/SimpleSAML/IdP.php
@@ -199,16 +199,7 @@ class SimpleSAML_IdP {
 	public function getAssociations() {
 
 		$session = SimpleSAML_Session::getInstance();
-
-		$associations = $session->getAssociations($this->associationGroup);
-
-		foreach ($associations as &$a) {
-			if (!isset($a['core:IdP'])) {
-				$a['core:IdP'] = $this->id;
-			}
-		}
-
-		return $associations;
+		return $session->getAssociations($this->associationGroup);
 	}
 
 
diff --git a/lib/SimpleSAML/Session.php b/lib/SimpleSAML/Session.php
index 863f5e0d1c1d6cb64cdf22ac3c7d63172a01cd79..9e6de47bfaec3eaf87cc0ac0d75124691542f643 100644
--- a/lib/SimpleSAML/Session.php
+++ b/lib/SimpleSAML/Session.php
@@ -41,8 +41,6 @@ class SimpleSAML_Session {
 	private $sessionindex = null;
 	private $nameid = null;
 	
-	private $sp_at_idpsessions = array();
-	
 	private $authority = null;
 	
 	// Session duration parameters
@@ -310,47 +308,6 @@ class SimpleSAML_Session {
 	}
 
 
-	/**
-	 * Get the NameID of the users session to the specified entity.
-	 *
-	 * Deprecated, remove in version 1.7.
-	 *
-	 * @param string $entityType  The type of the entity (saml20-sp-remote, shib13-sp-remote, ...).
-	 * @param string $entityId  The entity id.
-	 * @return array  The name identifier, or NULL if no name identifier is associated with this session.
-	 */
-	public function getSessionNameId($entityType, $entityId) {
-		assert('is_string($entityType)');
-		assert('is_string($entityId)');
-
-		if(!is_array($this->sessionNameId)) {
-			return NULL;
-		}
-
-		if(!array_key_exists($entityType, $this->sessionNameId)) {
-			return NULL;
-		}
-
-		if(!array_key_exists($entityId, $this->sessionNameId[$entityType])) {
-			return NULL;
-		}
-
-		$nameId = $this->sessionNameId[$entityType][$entityId];
-		if (array_key_exists('value', $nameId)) {
-			/*
-			 * This session was saved by an old version of simpleSAMLphp.
-			 * Convert to the new NameId format.
-			 *
-			 * TODO: Remove this conversion once every session should use the new format.
-			 */
-			$nameId['Value'] = $nameId['value'];
-			unset($nameId['value']);
-		}
-
-		return $nameId;
-	}
-
-
 	/**
 	 * Marks the user as logged in with the specified authority.
 	 *
@@ -900,48 +857,6 @@ class SimpleSAML_Session {
 	}
 
 
-	/**
-	 * Upgrade the association list to the new format.
-	 *
-	 * Should be removed in version 1.7.
-	 *
-	 * @param string $idp  The IdP we should add the associations to.
-	 */
-	private function upgradeAssociations($idp) {
-		assert('is_string($idp)');
-
-		$sp_at_idpsessions = $this->sp_at_idpsessions;
-		$this->sp_at_idpsessions = NULL;
-		$this->dirty = TRUE;
-
-		$globalConfig = SimpleSAML_Configuration::getInstance();
-		$sessionLifetime = time() + $globalConfig->getInteger('session.duration', 8*60*60);
-
-		foreach ($sp_at_idpsessions as $spEntityId => $state) {
-
-			if ($state !== 1) { /* 1 == STATE_ONLINE */
-				continue;
-			}
-
-			$nameId = $this->getSessionNameId('saml20-sp-remote', $spEntityId);
-			if($nameId === NULL) {
-				$nameId = $this->getNameID();
-			}
-
-			$id = 'saml:' . $spEntityId;
-
-			$this->addAssociation($idp, array(
-				'id' => $id,
-				'Handler' => 'sspmod_saml_IdP_SAML2',
-				'Expires' => $sessionLifetime,
-				'saml:entityID' => $spEntityId,
-				'saml:NameID' => $nameId,
-				'saml:SessionIndex' => $this->getSessionIndex(),
-			));
-		}
-	}
-
-
 	/**
 	 * Add an SP association for an IdP.
 	 *
@@ -955,11 +870,6 @@ class SimpleSAML_Session {
 		assert('isset($association["id"])');
 		assert('isset($association["Handler"])');
 
-		if (substr($idp, 0, 6) === 'saml2:' && !empty($this->sp_at_idpsessions)) {
-			/* Remove in 1.7. */
-			$this->upgradeAssociations($idp);
-		}
-
 		if (!isset($this->associations)) {
 			$this->associations = array();
 		}
diff --git a/modules/saml/lib/IdP/SAML2.php b/modules/saml/lib/IdP/SAML2.php
index 12a540c7c5b686d7f8030089b3de56f4f77dc3b3..ab77ba3f66fba6490e456598c926125752c1b1cf 100644
--- a/modules/saml/lib/IdP/SAML2.php
+++ b/modules/saml/lib/IdP/SAML2.php
@@ -30,16 +30,7 @@ class sspmod_saml_IdP_SAML2 {
 		$requestId = $state['saml:RequestId'];
 		$relayState = $state['saml:RelayState'];
 		$consumerURL = $state['saml:ConsumerURL'];
-
-		if (isset($state['saml:Binding'])) {
-			$protocolBinding = $state['saml:Binding'];
-		} else {
-			/*
-			 * To allow for upgrading while people are logging in.
-			 * Should be removed in 1.7.
-			 */
-			$protocolBinding = SAML2_Const::BINDING_HTTP_POST;
-		}
+		$protocolBinding = $state['saml:Binding'];
 
 		$idp = SimpleSAML_IdP::getByState($state);
 
@@ -101,16 +92,7 @@ class sspmod_saml_IdP_SAML2 {
 		$requestId = $state['saml:RequestId'];
 		$relayState = $state['saml:RelayState'];
 		$consumerURL = $state['saml:ConsumerURL'];
-
-		if (isset($state['saml:Binding'])) {
-			$protocolBinding = $state['saml:Binding'];
-		} else {
-			/*
-			 * To allow for upgrading while people are logging in.
-			 * Should be removed in 1.7.
-			 */
-			$protocolBinding = SAML2_Const::BINDING_HTTP_POST;
-		}
+		$protocolBinding = $state['saml:Binding'];
 
 		$idp = SimpleSAML_IdP::getByState($state);
 
@@ -195,42 +177,6 @@ class sspmod_saml_IdP_SAML2 {
 
 			SimpleSAML_Logger::info('SAML2.0 - IdP.SSOService: IdP initiated authentication: '. var_export($spEntityId, TRUE));
 
-		} elseif (isset($_REQUEST['RequestID'])) {
-			/*
-			 * To allow for upgrading while people are logging in.
-			 * Should be removed in 1.7.
-			 */
-
-			SimpleSAML_Logger::info('SAML2.0 - IdP.SSOService: RequestID received.');
-
-			$session = SimpleSAML_Session::getInstance();
-
-			$requestCache = $session->getAuthnRequest('saml2', (string)$_REQUEST['RequestID']);
-			if (!$requestCache) {
-				throw new Exception('Could not retrieve cached request...');
-			}
-
-			$spEntityId = $requestCache['Issuer'];
-			$spMetadata = $metadata->getMetaDataConfig($spEntityId, 'saml20-sp-remote');
-
-			$relayState = $requestCache['RelayState'];
-			$requestId = $requestCache['RequestID'];
-			$forceAuthn = $requestCache['ForceAuthn'];
-			$isPassive = $requestCache['IsPassive'];
-			$protocolBinding = SAML2_Const::BINDING_HTTP_POST; /* HTTP-POST was the only supported binding before 1.6. */
-
-			if (isset($requestCache['IDPList'])) {
-				$IDPList = $requestCache['IDPList'];
-			} else {
-				$IDPList = array();
-			}
-
-			if (isset($requestCache['ConsumerURL'])) {
-				$consumerURL = $requestCache['ConsumerURL'];
-			} else {
-				$consumerURL = NULL;
-			}
-
 		} else {
 
 			$binding = SAML2_Binding::getCurrentBinding();