--- a/sra_macros.xml	Tue May 17 13:55:57 2016 -0400
+++ b/sra_macros.xml	Fri Sep 16 17:23:44 2016 -0400
@@ -1,11 +1,7 @@
 <macros>
     <macro name="requirements">
         <requirements>
-            <requirement type="package" version="1.2.3">ngs_sdk</requirement>
-            <requirement type="package" version="2.6.2">ncbi_vdb</requirement>
-            <requirement type="package" version="2.6.2">sra_toolkit</requirement>
             <requirement type="package" version="2.6.2">sra-tools</requirement>
-            <requirement type="package" version="5.18.1">perl</requirement>
         </requirements>
     </macro>
     <macro name="input_conditional">
@@ -23,7 +19,7 @@
             </when>
             <when value="file_list">
                 <param format="txt" name="file_list" type="data" label="sra accession list"/>
-            </when>            
+            </when>
         </conditional>
     </macro>
     <macro name="alignments">
@@ -52,14 +48,14 @@
     </macro>
     <token name="@SRATOOLS_ATTRRIBUTION@">
         Browse the NCBI SRA for SRR accessions at http://www.ncbi.nlm.nih.gov/Traces/sra/sra.cgi?view=studies.
-        
+
         Galaxy tool wrapper originally written by Matt Shirley (mdshw5 at gmail.com).
 
-        Wrapper modified by Philip Mabon ( philip.mabon at phac-aspc.gc.ca ). 
-        
+        Wrapper modified by Philip Mabon ( philip.mabon at phac-aspc.gc.ca ).
+
         Tool dependencies, clean-up and bug-fixes by Marius van den Beek (m.vandenbeek at gmail.com).
-        
+
         For support and bug reports contact Matt Shirley or Marius van den Beek or go to https://github.com/galaxyproject/tools-iuc.
-        
+
     </token>
 </macros>