diff --git a/examples/mayaPtexViewer/CMakeLists.txt b/examples/mayaPtexViewer/CMakeLists.txt
index 9304e4ab..848aceaa 100644
--- a/examples/mayaPtexViewer/CMakeLists.txt
+++ b/examples/mayaPtexViewer/CMakeLists.txt
@@ -102,8 +102,6 @@ if(UNIX)
         -DREQUIRE_IOSTREAM
         -DLINUX
     )
-    set(PLATFORM_LIBRARIES
-    )
     set(PLATFORM_PLUGIN_EXTENSION
         .so
     )
@@ -117,8 +115,6 @@ if(WIN32)
         /DNT_PLUGIN
         /DREQUIRE_IOSTREAM
     )
-    set(PLATFORM_LIBRARIES
-    )
     set(PLATFORM_PLUGIN_EXTENSION
         .mll
     )
diff --git a/examples/mayaViewer/CMakeLists.txt b/examples/mayaViewer/CMakeLists.txt
index 92cec5f6..8c3c6f8f 100644
--- a/examples/mayaViewer/CMakeLists.txt
+++ b/examples/mayaViewer/CMakeLists.txt
@@ -101,8 +101,6 @@ if(UNIX)
         -DREQUIRE_IOSTREAM
         -DLINUX
     )
-    set(PLATFORM_LIBRARIES
-    )
     set(PLATFORM_PLUGIN_EXTENSION
         .so
     )
@@ -116,8 +114,6 @@ if(WIN32)
         /DNT_PLUGIN
         /DREQUIRE_IOSTREAM
     )
-    set(PLATFORM_LIBRARIES
-    )
     set(PLATFORM_PLUGIN_EXTENSION
         .mll
     )