diff --git a/Compiling-from-source.md b/Compiling-from-source.md
index 3fbcd6d..29b5c15 100644
--- a/Compiling-from-source.md
+++ b/Compiling-from-source.md
@@ -283,10 +283,6 @@ Compile more generically for a set of specific CPU features:
 
 This will compile for an older CPU that does not have AVX.
 
-With a CPU with more than 64 threads and Windows 7 or higher you CPU Groups feature can be enabled by adding the following to CFLAGS:
-
-`-D_WIN32_WINNT=0x0601`
-
 Run make:
 
 `$ make -j n`