diff --git a/zanata-war/src/main/java/org/zanata/adapter/FileFormatAdapter.java b/zanata-war/src/main/java/org/zanata/adapter/FileFormatAdapter.java
index faad90b169..69bf67256a 100644
--- a/zanata-war/src/main/java/org/zanata/adapter/FileFormatAdapter.java
+++ b/zanata-war/src/main/java/org/zanata/adapter/FileFormatAdapter.java
@@ -20,7 +20,6 @@
  */
 package org.zanata.adapter;
 
-import java.io.InputStream;
 import java.io.OutputStream;
 import java.net.URI;
 import java.util.Map;
@@ -39,8 +38,6 @@
  */
 public interface FileFormatAdapter
 {
-
-
    /**
     * Extract source strings from the given document content.
     * 
@@ -61,7 +58,7 @@ public interface FileFormatAdapter
     * @throws FileFormatAdapterException if the document cannot be parsed
     * @throws IllegalArgumentException if translatedDocumentContent or localeId is null
     */
-   TranslationsResource parseTranslationFile(InputStream translatedDocumentContent, String localeId) throws FileFormatAdapterException, IllegalArgumentException;
+   TranslationsResource parseTranslationFile(URI fileUri, String localeId) throws FileFormatAdapterException, IllegalArgumentException;
 
    /**
     * Write translated file to the given output, using the given list of translations.
diff --git a/zanata-war/src/main/java/org/zanata/adapter/GenericOkapiFilterAdapter.java b/zanata-war/src/main/java/org/zanata/adapter/GenericOkapiFilterAdapter.java
index bc687709d6..611a56481b 100644
--- a/zanata-war/src/main/java/org/zanata/adapter/GenericOkapiFilterAdapter.java
+++ b/zanata-war/src/main/java/org/zanata/adapter/GenericOkapiFilterAdapter.java
@@ -22,9 +22,7 @@
 
 import java.io.File;
 import java.io.FileInputStream;
-import java.io.FileOutputStream;
 import java.io.IOException;
-import java.io.InputStream;
 import java.io.OutputStream;
 import java.net.URI;
 import java.util.List;
@@ -60,7 +58,6 @@
  */
 public class GenericOkapiFilterAdapter implements FileFormatAdapter
 {
-
    private Logger log;
 
    /**
@@ -75,7 +72,6 @@ public enum IdSource {
 
    private final IFilter filter;
    private final IdSource idSource;
-   private boolean requireUriRawDoc;
    private boolean requireFileOutput;
 
    /**
@@ -96,7 +92,7 @@ public GenericOkapiFilterAdapter(IFilter filter)
     */
    public GenericOkapiFilterAdapter(IFilter filter, IdSource idSource)
    {
-      this(filter, idSource, false, false);
+      this(filter, idSource, false);
    }
 
    /**
@@ -105,11 +101,10 @@ public GenericOkapiFilterAdapter(IFilter filter, IdSource idSource)
     * @param filter {@link IFilter} used to parse the document
     * @param idSource determines how ids are assigned to TextFlows
     */
-   public GenericOkapiFilterAdapter(IFilter filter, IdSource idSource, boolean requireUriRawDoc, boolean requireFileOutput)
+   public GenericOkapiFilterAdapter(IFilter filter, IdSource idSource, boolean requireFileOutput)
    {
       this.filter = filter;
       this.idSource = idSource;
-      this.requireUriRawDoc = requireUriRawDoc;
       this.requireFileOutput = requireFileOutput;
 
       log = LoggerFactory.getLogger(GenericOkapiFilterAdapter.class);
@@ -180,26 +175,15 @@ private String stripPath(String name)
    }
 
    @Override
-   public TranslationsResource parseTranslationFile(InputStream fileContents, String localeId) throws FileFormatAdapterException, IllegalArgumentException
+   public TranslationsResource parseTranslationFile(URI fileUri, String localeId) throws FileFormatAdapterException, IllegalArgumentException
    {
-      if (fileContents == null)
-      {
-         throw new IllegalArgumentException("File contents cannot be null");
-      }
       if (localeId == null || localeId.isEmpty())
       {
          throw new IllegalArgumentException("locale id string cannot be null or empty");
       }
 
-      if (requireUriRawDoc)
-      {
-         return parseTranslationFileWithUrlRawDoc(fileContents);
-      }
-      else
-      {
-         RawDocument rawDoc = new RawDocument(fileContents, "UTF-8", net.sf.okapi.common.LocaleId.fromString(localeId));
-         return parseTranslationFile(rawDoc);
-      }
+      RawDocument rawDoc = new RawDocument(fileUri, "UTF-8", net.sf.okapi.common.LocaleId.fromString("en"));
+      return parseTranslationFile(rawDoc);
    }
 
    private TranslationsResource parseTranslationFile(RawDocument rawDoc)
@@ -242,44 +226,6 @@ else if (event.getEventType() == EventType.TEXT_UNIT)
       return transRes;
    }
 
-   private TranslationsResource parseTranslationFileWithUrlRawDoc(InputStream fileContents)
-   {
-      File tempFile = null;
-      try
-      {
-         tempFile = File.createTempFile("filename", "extension");
-
-         byte[] buffer = new byte[4096]; // To hold file contents
-         int bytesRead;
-         FileOutputStream output;
-
-         output = new FileOutputStream(tempFile);
-         while ((bytesRead = fileContents.read(buffer)) != -1)
-         {
-            output.write(buffer, 0, bytesRead);
-         }
-         output.close();
-      }
-      catch (IOException e)
-      {
-         throw new FileFormatAdapterException("Error while writing translation file to temporary location", e);
-      }
-
-      RawDocument rawDoc = new RawDocument(tempFile.toURI(), "UTF-8", net.sf.okapi.common.LocaleId.fromString("en"));
-      TranslationsResource transRes = parseTranslationFile(rawDoc);
-
-      if (tempFile != null)
-      {
-         if (!tempFile.delete())
-         {
-            log.warn("unable to remove temporary file {}, marked for delete on exit", tempFile.getAbsolutePath());
-            tempFile.deleteOnExit();
-         }
-      }
-      return transRes;
-   }
-
-
    @Override
    public void writeTranslatedFile(OutputStream output, URI originalFile, Map<String, TextFlowTarget> translations, String locale)
    {
diff --git a/zanata-war/src/main/java/org/zanata/adapter/OpenOfficeAdapter.java b/zanata-war/src/main/java/org/zanata/adapter/OpenOfficeAdapter.java
index a9624759de..319df94165 100644
--- a/zanata-war/src/main/java/org/zanata/adapter/OpenOfficeAdapter.java
+++ b/zanata-war/src/main/java/org/zanata/adapter/OpenOfficeAdapter.java
@@ -32,7 +32,7 @@ public class OpenOfficeAdapter extends GenericOkapiFilterAdapter
 {
    public OpenOfficeAdapter()
    {
-      super(prepareFilter(), IdSource.subDocNameAndTextUnitId, true, true);
+      super(prepareFilter(), IdSource.subDocNameAndTextUnitId, true);
    }
 
    private static OpenOfficeFilter prepareFilter()
diff --git a/zanata-war/src/main/java/org/zanata/service/impl/TranslationFileServiceImpl.java b/zanata-war/src/main/java/org/zanata/service/impl/TranslationFileServiceImpl.java
index dc2a4dcafa..6bd6a61b32 100644
--- a/zanata-war/src/main/java/org/zanata/service/impl/TranslationFileServiceImpl.java
+++ b/zanata-war/src/main/java/org/zanata/service/impl/TranslationFileServiceImpl.java
@@ -94,14 +94,18 @@ public TranslationsResource parseTranslationFile(InputStream fileContents, Strin
       }
       else if (hasAdapterFor(fileName))
       {
+         File tempFile = persistToTempFile(fileContents);
+         TranslationsResource transRes;
          try
          {
-            return getAdapterFor(fileName).parseTranslationFile(fileContents, localeId);
+            transRes = getAdapterFor(fileName).parseTranslationFile(tempFile.toURI(), localeId);
          }
          catch (FileFormatAdapterException e)
          {
             throw new ZanataServiceException("Error parsing translation file: " + fileName, e);
          }
+         removeTempFile(tempFile);
+         return transRes;
       }
       else
       {