diff --git a/deps/CMakeLists.txt b/deps/CMakeLists.txt
index 421177dbf1..0fe9697adb 100644
--- a/deps/CMakeLists.txt
+++ b/deps/CMakeLists.txt
@@ -82,7 +82,6 @@ add_custom_target(deps ALL
         dep_wxwidgets
         dep_gtest
         dep_nlopt
-        dep_libpng
 )
 
 # Note: I'm not using any of the LOG_xxx options in ExternalProject_Add() commands