diff --git a/cmake/externals/bullet/CMakeLists.txt b/cmake/externals/bullet/CMakeLists.txt
index 046cc301b0..125432002c 100644
--- a/cmake/externals/bullet/CMakeLists.txt
+++ b/cmake/externals/bullet/CMakeLists.txt
@@ -4,7 +4,7 @@ if (WIN32)
   set(PLATFORM_CMAKE_ARGS "-DUSE_MSVC_RUNTIME_LIBRARY_DLL=1")
 else ()
   set(PLATFORM_CMAKE_ARGS "-DBUILD_SHARED_LIBS=1")
-  
+
   if (ANDROID)
     list(APPEND PLATFORM_CMAKE_ARGS "-DCMAKE_TOOLCHAIN_FILE=${CMAKE_TOOLCHAIN_FILE}" "-DANDROID_NATIVE_API_LEVEL=19")
   elseif (APPLE)
@@ -14,10 +14,9 @@ endif ()
 
 include(ExternalProject)
 
-if (WIN32)  
+if (WIN32)
   ExternalProject_Add(
     ${EXTERNAL_NAME}
-    # URL https://bullet.googlecode.com/files/bullet-2.82-r2704.zip
     URL http://hifi-public.s3.amazonaws.com/dependencies/bullet-2.83-ccd-and-cmake-fixes.tgz
     URL_MD5 03051bf112dcc78ddd296f9cab38fd68
     CMAKE_ARGS ${PLATFORM_CMAKE_ARGS} -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR> -DBUILD_EXTRAS=0 -DINSTALL_LIBS=1 -DBUILD_BULLET3=0 -DBUILD_OPENGL3_DEMOS=0 -DBUILD_BULLET2_DEMOS=0 -DBUILD_UNIT_TESTS=0 -DUSE_GLUT=0 -DUSE_DX11=0
@@ -25,11 +24,10 @@ if (WIN32)
     LOG_CONFIGURE 1
     LOG_BUILD 1
     BINARY_DIR ${EXTERNAL_PROJECT_PREFIX}/build
-  )  
+  )
 else ()
   ExternalProject_Add(
     ${EXTERNAL_NAME}
-    #URL http://bullet.googlecode.com/files/bullet-2.82-r2704.tgz
     URL http://hifi-public.s3.amazonaws.com/dependencies/bullet-2.83-ccd-and-cmake-fixes.tgz
     URL_MD5 03051bf112dcc78ddd296f9cab38fd68
     CMAKE_ARGS ${PLATFORM_CMAKE_ARGS} -DCMAKE_BUILD_TYPE=RelWithDebInfo -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR> -DBUILD_EXTRAS=0 -DINSTALL_LIBS=1 -DBUILD_BULLET3=0 -DBUILD_OPENGL3_DEMOS=0 -DBUILD_BULLET2_DEMOS=0 -DBUILD_UNIT_TESTS=0 -DUSE_GLUT=0
@@ -37,7 +35,7 @@ else ()
     LOG_CONFIGURE 1
     LOG_BUILD 1
     BINARY_DIR ${EXTERNAL_PROJECT_PREFIX}/build
-  )  
+  )
 endif ()
 
 # Hide this external target (for ide users)
@@ -55,7 +53,7 @@ if (APPLE OR UNIX OR ANDROID)
   else ()
     set(BULLET_LIB_EXT "so")
   endif ()
-  
+
   set(LIB_PREFIX "lib")
 elseif (WIN32)
   set(BULLET_LIB_EXT "lib")
@@ -63,13 +61,13 @@ endif ()
 
 if (DEFINED BULLET_LIB_EXT)
   set(_BULLET_LIB_PAIRS "DYNAMICS_LIBRARY\;BulletDynamics" "COLLISION_LIBRARY\;BulletCollision" "MATH_LIBRARY\;LinearMath" "SOFTBODY_LIBRARY\;BulletSoftBody")
-  
+
   foreach(_LIB_PAIR ${_BULLET_LIB_PAIRS})
     list(GET _LIB_PAIR 0 _LIB_VAR_NAME)
     list(GET _LIB_PAIR 1 _LIB_NAME)
-    
+
     set(${EXTERNAL_NAME_UPPER}_${_LIB_VAR_NAME}_RELEASE ${BULLET_LIB_DIR}/${LIB_PREFIX}${_LIB_NAME}.${BULLET_LIB_EXT} CACHE FILEPATH "${_LIB_NAME} release library location")
-    
+
     if (WIN32)
       set(${EXTERNAL_NAME_UPPER}_${_LIB_VAR_NAME}_DEBUG ${BULLET_LIB_DIR}/${LIB_PREFIX}${_LIB_NAME}_Debug.${BULLET_LIB_EXT} CACHE FILEPATH "${_LIB_NAME} debug library location")
     else ()