diff --git a/libs/sipcc/Makefile.am b/libs/sipcc/Makefile.am
index d05e162ec3..74a1784d64 100644
--- a/libs/sipcc/Makefile.am
+++ b/libs/sipcc/Makefile.am
@@ -376,21 +376,6 @@ cpr/linux/cpr_linux_time.h \
 cpr/linux/cpr_linux_timers.h \
 cpr/linux/cpr_linux_tst.h \
 cpr/linux/cpr_linux_types.h \
-cpr/win32/cpr_win_assert.h \
-cpr/win32/cpr_win_debug.h \
-cpr/win32/cpr_win_defines.h \
-cpr/win32/cpr_win_errno.h \
-cpr/win32/cpr_win_in.h \
-cpr/win32/cpr_win_ipc.h \
-cpr/win32/cpr_win_locks.h \
-cpr/win32/cpr_win_rand.h \
-cpr/win32/cpr_win_socket.h \
-cpr/win32/cpr_win_stdio.h \
-cpr/win32/cpr_win_string.h \
-cpr/win32/cpr_win_strings.h \
-cpr/win32/cpr_win_time.h \
-cpr/win32/cpr_win_timers.h \
-cpr/win32/cpr_win_types.h \
 include/cc_blf.h \
 include/cc_blf_listener.h \
 include/cc_call_feature.h \