diff --git a/indra/newview/viewer_manifest.py b/indra/newview/viewer_manifest.py
index c887097575ba8b8236dbccc0e4dc13544c30eb6d..8c089c0b794bf07358bbae4a24f49697dd231f88 100755
--- a/indra/newview/viewer_manifest.py
+++ b/indra/newview/viewer_manifest.py
@@ -355,7 +355,6 @@ def construct(self):
                 self.path("qtwebkitd4.dll")
                 self.path("qtxmlpatternsd4.dll")
                 self.path("ssleay32.dll")
-                self.path("winmm.dll")
 
                 # For WebKit/Qt plugin runtimes (image format plugins)
                 if self.prefix(src="imageformats", dst="imageformats"):