diff --git a/src/or/Makefile.am b/src/or/Makefile.am
index 970409d47e..c305ba5a7b 100644
--- a/src/or/Makefile.am
+++ b/src/or/Makefile.am
@@ -5,7 +5,7 @@ noinst_PROGRAMS = test
 bin_PROGRAMS = tor
 
 if BUILD_NT_SERVICES
-tor_platform_source=ntmain.c config.c
+tor_platform_source=ntmain.c
 else
 tor_platform_source=
 endif