Remove unnecessary architecture definition
diff --git a/org.eclipse.jdt.launching.ui.macosx/pom.xml b/org.eclipse.jdt.launching.ui.macosx/pom.xml
index 92a6a75..d649518 100644
--- a/org.eclipse.jdt.launching.ui.macosx/pom.xml
+++ b/org.eclipse.jdt.launching.ui.macosx/pom.xml
@@ -33,11 +33,6 @@
             <environment>
               <os>macosx</os>
               <ws>cocoa</ws>
-              <arch>x86_64</arch>
-            </environment>
-            <environment>
-              <os>macosx</os>
-              <ws>cocoa</ws>
               <arch>x86</arch>
             </environment>
           </environments>