diff --git a/config/libc.in b/config/libc.in
index ba6da8ff..ca597c86 100644
--- a/config/libc.in
+++ b/config/libc.in
@@ -32,10 +32,6 @@ config LIBC_SUPPORT_THREADS_LT
     bool
     select LIBC_SUPPORT_THREADS_ANY
 
-config LIBC_SUPPORT_THREADS_WIN32
-    bool
-    select LIBC_SUPPORT_THREADS_ANY
-
 config LIBC_SUPPORT_THREADS_NONE
     bool
 
@@ -53,7 +49,6 @@ choice
     prompt "Threading implementation to use:"
     default THREADS_NATIVE         if LIBC_SUPPORT_THREADS_NATIVE
     default THREADS_THREADS_LT     if LIBC_SUPPORT_THREADS_LT && ! LIBC_SUPPORT_THREADS_NATIVE
-    default THREADS_WIN32          if LIBC_SUPPORT_THREADS_WIN32
     default THREADS_NONE           if ! LIBC_SUPPORT_THREADS_ANY
 
 config THREADS_NATIVE
@@ -64,18 +59,14 @@ config THREADS_NATIVE
       This selects the native threads implementation for the selected
       system and C library.
 
-      For example, on Linux with glibc, this is NPTL.
+      For example, on Linux with glibc, this is NPTL; on Windows with
+      mingw, this is win32.
 
 config THREADS_LT
     bool
     prompt "linuxthreads"
     depends on LIBC_SUPPORT_THREADS_LT
 
-config THREADS_WIN32
-    bool
-    prompt "win32"
-    depends on LIBC_SUPPORT_THREADS_WIN32
-
 config THREADS_NONE
     bool
     prompt "none"
diff --git a/config/libc/mingw.in b/config/libc/mingw.in
index 8b4d98a2..875f5a2c 100644
--- a/config/libc/mingw.in
+++ b/config/libc/mingw.in
@@ -2,7 +2,7 @@
 
 ## depends on WINDOWS
 ##
-## select LIBC_SUPPORT_THREADS_WIN32
+## select LIBC_SUPPORT_THREADS_NATIVE
 ## select CC_CORE_PASSES_NEEDED
 ##
 ## help The de-facto standard for Mingw distributions.