diff --git a/src/Chullo.php b/src/Chullo.php
index f013275..ab6c179 100644
--- a/src/Chullo.php
+++ b/src/Chullo.php
@@ -58,19 +58,16 @@ public function getBaseUri()
      *
      * @param string    $uri            Resource URI
      * @param array     $headers        HTTP Headers
-     * @param string    $transaction    Transaction id
      *
      * @return mixed    Full response if found.  Null otherwise.
      */
     public function getResource(
         $uri = "",
-        $headers = [],
-        $transaction = ""
+        $headers = []
     ) {
         $response = $this->api->getResource(
             $uri,
-            $headers,
-            $transaction
+            $headers
         );
         if ($response->getStatusCode() != 200) {
             return null;
@@ -83,17 +80,14 @@ public function getResource(
      * Gets a Fedora resource's headers.
      *
      * @param string    $uri            Resource URI
-     * @param string    $transaction    Transaction id
      *
      * @return array    Headers of a resource, null on failure
      */
     public function getResourceHeaders(
-        $uri = "",
-        $transaction = ""
+        $uri = ""
     ) {
         $response = $this->api->getResourceHeaders(
-            $uri,
-            $transaction
+            $uri
         );
 
         if ($response->getStatusCode() != 200) {
@@ -124,17 +118,15 @@ public function getResourceOptions($uri = "")
      *
      * @param string    $uri            Resource URI
      * @param array     $headers        HTTP Headers
-     * @param string    $transaction    Transaction id
      *
      * @return EasyRdf_Graph    EasyRdf_Graph if found, null otherwise
      */
     public function getGraph(
         $uri = "",
-        $headers = [],
-        $transaction = ""
+        $headers = []
     ) {
         $headers['Accept'] = 'application/ld+json';
-        $rdf = $this->getResource($uri, $headers, $transaction);
+        $rdf = $this->getResource($uri, $headers);
         if (empty($rdf)) {
             return null;
         }
@@ -150,21 +142,18 @@ public function getGraph(
      * @param string    $uri                  Resource URI
      * @param string    $content              String or binary content
      * @param array     $headers              HTTP Headers
-     * @param string    $transaction          Transaction id
      *
      * @return string   Uri of newly created resource or null if failed
      */
     public function createResource(
         $uri = "",
         $content = null,
-        $headers = [],
-        $transaction = ""
+        $headers = []
     ) {
         $response = $this->api->createResource(
             $uri,
             $content,
-            $headers,
-            $transaction
+            $headers
         );
 
         if ($response->getStatusCode() != 201) {
@@ -182,21 +171,18 @@ public function createResource(
      * @param string    $uri                  Resource URI
      * @param string    $content              String or binary content
      * @param array     $headers              HTTP Headers
-     * @param string    $transaction          Transaction id
      *
      * @return boolean  True if successful
      */
     public function saveResource(
         $uri,
         $content = null,
-        $headers = [],
-        $transaction = ""
+        $headers = []
     ) {
         $response = $this->api->saveResource(
             $uri,
             $content,
-            $headers,
-            $transaction
+            $headers
         );
 
         return $response->getStatusCode() == 204;
@@ -207,14 +193,12 @@ public function saveResource(
      *
      * @param string            $uri            Resource URI
      * @param EasyRdf_Resource  $graph          Graph to save
-     * @param string            $transaction    Transaction id
      *
      * @return boolean  True if successful
      */
     public function saveGraph(
         $uri,
-        \EasyRdf_Graph $graph,
-        $transaction = ""
+        \EasyRdf_Graph $graph
     ) {
         // Serialze the rdf.
         $turtle = $graph->serialise('turtle');
@@ -229,8 +213,7 @@ public function saveGraph(
             [
               'Content-Type' => 'text/turtle',
               'digest' => 'sha1='.$checksum_value
-            ],
-            $transaction
+            ]
         );
     }
 
@@ -240,21 +223,18 @@ public function saveGraph(
      * @param string    $uri            Resource URI
      * @param string    $sparql         SPARQL Update query
      * @param array     $headers        HTTP Headers
-     * @param string    $transaction    Transaction id
      *
      * @return boolean  True if successful
      */
     public function modifyResource(
         $uri,
         $sparql = "",
-        $headers = [],
-        $transaction = ""
+        $headers = []
     ) {
         $response = $this->api->modifyResource(
             $uri,
             $sparql,
-            $headers,
-            $transaction
+            $headers
         );
 
         return $response->getStatusCode() == 204;
@@ -264,17 +244,14 @@ public function modifyResource(
      * Issues a DELETE request to Fedora.
      *
      * @param string    $uri            Resource URI
-     * @param string    $transaction    Transaction id
      *
      * @return boolean  True if successful
      */
     public function deleteResource(
-        $uri,
-        $transaction = ""
+        $uri
     ) {
         $response = $this->api->deleteResource(
-            $uri,
-            $transaction
+            $uri
         );
 
         return $response->getStatusCode() == 204;
diff --git a/src/FedoraApi.php b/src/FedoraApi.php
index ca4020c..9e5b01a 100644
--- a/src/FedoraApi.php
+++ b/src/FedoraApi.php
@@ -64,21 +64,16 @@ public function getBaseUri()
      *
      * @param string    $uri            Resource URI
      * @param array     $headers        HTTP Headers
-     * @param string    $transaction    Transaction id
      *
      * @return ResponseInterface
      */
     public function getResource(
         $uri = "",
-        $headers = [],
-        $transaction = ""
+        $headers = []
     ) {
         // Set headers
         $options = ['http_errors' => false, 'headers' => $headers];
 
-        // Ensure uri takes transaction into account.
-        $uri = $this->prepareUri($uri, $transaction);
-
         // Send the request.
         return $this->client->request(
             'GET',
@@ -91,18 +86,13 @@ public function getResource(
      * Gets a Fedora resoure's headers.
      *
      * @param string    $uri            Resource URI
-     * @param string    $transaction    Transaction id
      *
      * @return ResponseInterface
      */
     public function getResourceHeaders(
-        $uri = "",
-        $transaction = ""
+        $uri = ""
     ) {
 
-        // Ensure uri takes transaction into account.
-        $uri = $this->prepareUri($uri, $transaction);
-
         // Send the request.
         return $this->client->request(
             'HEAD',
@@ -133,15 +123,13 @@ public function getResourceOptions($uri = "")
      * @param string    $uri                  Resource URI
      * @param string    $content              String or binary content
      * @param array     $headers              HTTP Headers
-     * @param string    $transaction          Transaction id
      *
      * @return ResponseInterface
      */
     public function createResource(
         $uri = "",
         $content = null,
-        $headers = [],
-        $transaction = ""
+        $headers = []
     ) {
         $options = ['http_errors' => false];
 
@@ -150,10 +138,7 @@ public function createResource(
 
         // Set headers.
         $options['headers'] = $headers;
-
-        // Ensure uri takes transaction into account.
-        $uri = $this->prepareUri($uri, $transaction);
-
+        
         return $this->client->request(
             'POST',
             $uri,
@@ -167,15 +152,13 @@ public function createResource(
      * @param string    $uri                  Resource URI
      * @param string    $content              String or binary content
      * @param array     $headers              HTTP Headers
-     * @param string    $transaction          Transaction id
      *
      * @return ResponseInterface
      */
     public function saveResource(
         $uri,
         $content = null,
-        $headers = [],
-        $transaction = ""
+        $headers = []
     ) {
         $options = ['http_errors' => false];
 
@@ -185,9 +168,6 @@ public function saveResource(
         // Set headers.
         $options['headers'] = $headers;
 
-        // Ensure uri takes transaction into account.
-        $uri = $this->prepareUri($uri, $transaction);
-
         return $this->client->request(
             'PUT',
             $uri,
@@ -201,15 +181,13 @@ public function saveResource(
      * @param string    $uri            Resource URI
      * @param string    $sparql         SPARQL Update query
      * @param array     $headers        HTTP Headers
-     * @param string    $transaction    Transaction id
      *
      * @return ResponseInterface
      */
     public function modifyResource(
         $uri,
         $sparql = "",
-        $headers = [],
-        $transaction = ""
+        $headers = []
     ) {
         $options = ['http_errors' => false];
 
@@ -220,8 +198,6 @@ public function modifyResource(
         $options['headers'] = $headers;
         $options['headers']['content-type'] = 'application/sparql-update';
 
-        // Ensure uri takes transaction into account.
-        $uri = $this->prepareUri($uri, $transaction);
         return $this->client->request(
             'PATCH',
             $uri,
@@ -233,56 +209,18 @@ public function modifyResource(
      * Issues a DELETE request to Fedora.
      *
      * @param string    $uri            Resource URI
-     * @param string    $transaction    Transaction id
      *
      * @return ResponseInterface
      */
     public function deleteResource(
-        $uri,
-        $transaction = ""
+        $uri
     ) {
         $options = ['http_errors' => false];
 
-        // Ensure uri takes transaction into account.
-        $uri = $this->prepareUri($uri, $transaction);
-
         return $this->client->request(
             'DELETE',
             $uri,
             $options
         );
     }
-
-    protected function prepareUri($uri, $transaction = "")
-    {
-        $base_uri = rtrim($this->getBaseUri(), '/');
-
-        if (empty($uri)) {
-            return "$base_uri/$transaction";
-        }
-
-        if (strpos($uri, $base_uri) !== 0) {
-            $uri = $base_uri . '/' . ltrim($uri, '/');
-        }
-
-        $uri = rtrim($uri, '/');
-
-        if (strcmp($uri, $base_uri) == 0) {
-            return "$base_uri/$transaction";
-        }
-
-        if (empty($transaction)) {
-            return $uri;
-        }
-
-        $exploded = explode($base_uri, $uri);
-        $relative_path = ltrim($exploded[1], '/');
-        $exploded = explode('/', $relative_path);
-
-        if (in_array($transaction, $exploded)) {
-            return $uri;
-        }
-
-        return implode([$base_uri, $transaction, $relative_path], '/');
-    }
 }
diff --git a/src/IFedoraApi.php b/src/IFedoraApi.php
index 2d0ff12..ebb05c9 100644
--- a/src/IFedoraApi.php
+++ b/src/IFedoraApi.php
@@ -38,22 +38,18 @@ public function getBaseUri();
      *
      * @param string    $uri            Resource URI
      * @param array     $headers        HTTP Headers
-     * @param string    $transaction    Transaction id
      */
     public function getResource(
         $uri = "",
-        $headers = [],
-        $transaction = ""
+        $headers = []
     );
     /**
      * Gets a Fedora resoure's headers.
      *
      * @param string    $uri            Resource URI
-     * @param string    $transaction    Transaction id
      */
     public function getResourceHeaders(
-        $uri = "",
-        $transaction = ""
+        $uri = ""
     );
     /**
      * Gets information about the supported HTTP methods, etc., for a Fedora resource.
@@ -68,13 +64,11 @@ public function getResourceOptions($uri = "");
      * @param string    $uri                  Resource URI
      * @param string    $content              String or binary content
      * @param array     $headers              HTTP Headers
-     * @param string    $transaction          Transaction id
      */
     public function createResource(
         $uri = "",
         $content = null,
-        $headers = [],
-        $transaction = ""
+        $headers = []
     );
 
     /**
@@ -83,13 +77,11 @@ public function createResource(
      * @param string    $uri                  Resource URI
      * @param string    $content              String or binary content
      * @param array     $headers              HTTP Headers
-     * @param string    $transaction          Transaction id
      */
     public function saveResource(
         $uri,
         $content = null,
-        $headers = [],
-        $transaction = ""
+        $headers = []
     );
 
     /**
@@ -98,23 +90,19 @@ public function saveResource(
      * @param string    $uri            Resource URI
      * @param string    $sparql         SPARQL Update query
      * @param array     $headers        HTTP Headers
-     * @param string    $transaction    Transaction id
      */
     public function modifyResource(
         $uri,
         $sparql = "",
-        $headers = [],
-        $transaction = ""
+        $headers = []
     );
 
     /**
      * Issues a DELETE request to Fedora.
      *
      * @param string    $uri            Resource URI
-     * @param string    $transaction    Transaction id
      */
     public function deleteResource(
-        $uri,
-        $transaction = ""
+        $uri
     );
 }
diff --git a/src/IFedoraClient.php b/src/IFedoraClient.php
index 0d695c1..a1d7d1f 100644
--- a/src/IFedoraClient.php
+++ b/src/IFedoraClient.php
@@ -29,14 +29,12 @@ interface IFedoraClient extends IFedoraApi
      *
      * @param string    $uri            Resource URI
      * @param array     $headers        HTTP Headers
-     * @param string    $transaction    Transaction id
      *
      * @return EasyRdf_Graph
      */
     public function getGraph(
         $uri = "",
-        $headers = [],
-        $transaction = ""
+        $headers = []
     );
 
     /**
@@ -44,13 +42,11 @@ public function getGraph(
      *
      * @param string            $uri            Resource URI
      * @param EasyRdf_Resource  $rdf            RDF to save
-     * @param string            $transaction    Transaction id
      *
      * @return null
      */
     public function saveGraph(
         $uri,
-        \EasyRdf_Graph $graph,
-        $transaction = ""
+        \EasyRdf_Graph $graph
     );
 }