diff --git a/BUILD_WIN.md b/BUILD_WIN.md
index 2d6074cd77..2faa9809bb 100644
--- a/BUILD_WIN.md
+++ b/BUILD_WIN.md
@@ -66,12 +66,6 @@ Open `%HIFI_DIR%\build\hifi.sln` using Visual Studio.
 
 Change the Solution Configuration (menu ribbon under the menu bar, next to the green play button) from "Debug" to "Release" for best performance.
 
-Create another environment variable (see Step #3)
-* Set "Variable name": `PreferredToolArchitecture`
-* Set "Variable value": `x64`
-
-Restart Visual Studio for the new variable to take effect.
-
 Run from the menu bar `Build > Build Solution`.
 
 ### Step 6. Testing Interface