diff --git a/profiles/base/make.defaults b/profiles/base/make.defaults
index f227acf07c58c..17410392ce5e8 100644
--- a/profiles/base/make.defaults
+++ b/profiles/base/make.defaults
@@ -7,7 +7,7 @@
 # Profile IUSE injection (applies only to ebuilds which use EAPI 5 or later)
 IUSE_IMPLICIT="prefix prefix-guest prefix-stack"
 USE_EXPAND_IMPLICIT="ELIBC KERNEL"
-USE_EXPAND_VALUES_ELIBC="bionic Cygwin Darwin glibc mingw musl SunOS Winnt"
+USE_EXPAND_VALUES_ELIBC="bionic Cygwin Darwin glibc mingw musl SunOS"
 USE_EXPAND_VALUES_KERNEL="Darwin linux SunOS Winnt"
 
 # Env vars to expand into USE vars.  Modifying this requires prior
diff --git a/profiles/desc/elibc.desc b/profiles/desc/elibc.desc
index 8eef69979c839..b825590e526b7 100644
--- a/profiles/desc/elibc.desc
+++ b/profiles/desc/elibc.desc
@@ -11,4 +11,3 @@ glibc - ELIBC setting for systems that use the GNU C library
 mingw - ELIBC setting for systems that use the Minimalist GNU for Windows library
 musl - ELIBC setting for systems that use the musl C library
 SunOS - ELIBC setting for systems that use the Sun Solaris C library
-Winnt - ELIBC setting for systems that use Winnt
diff --git a/profiles/embedded/make.defaults b/profiles/embedded/make.defaults
index fd59da10541e2..a1bd0cf4017df 100644
--- a/profiles/embedded/make.defaults
+++ b/profiles/embedded/make.defaults
@@ -23,7 +23,7 @@ IUSE_IMPLICIT="prefix prefix-guest prefix-stack"
 USE_EXPAND_UNPREFIXED="ARCH"
 USE_EXPAND_IMPLICIT="ARCH ELIBC KERNEL"
 USE_EXPAND_VALUES_ARCH="alpha amd64 amd64-linux arm arm64 hppa ia64 loong m68k mips ppc ppc64 ppc64-linux ppc-macos riscv s390 sparc sparc64-solaris sparc-solaris x64-cygwin x64-macos x64-solaris x64-winnt x86 x86-linux x86-solaris x86-winnt"
-USE_EXPAND_VALUES_ELIBC="bionic Cygwin Darwin glibc mingw musl SunOS Winnt"
+USE_EXPAND_VALUES_ELIBC="bionic Cygwin Darwin glibc mingw musl SunOS"
 USE_EXPAND_VALUES_KERNEL="Darwin linux SunOS Winnt"
 
 # Env vars to expand into USE vars.  Modifying this requires prior