diff --git a/icu4c/source/i18n/nortrans.cpp b/icu4c/source/i18n/nortrans.cpp
index 4b2b702ba9..aec4ddf88a 100644
--- a/icu4c/source/i18n/nortrans.cpp
+++ b/icu4c/source/i18n/nortrans.cpp
@@ -1,6 +1,6 @@
 /*
 **********************************************************************
-*   Copyright (C) 2001-2005, International Business Machines
+*   Copyright (C) 2001-2006, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 **********************************************************************
 *   Date        Name        Description
@@ -16,7 +16,6 @@
 #include "unicode/uiter.h"
 #include "nortrans.h"
 #include "unormimp.h"
-#include "mutex.h"
 #include "ucln_in.h"
 
 U_NAMESPACE_BEGIN
diff --git a/icu4c/source/i18n/regexcmp.cpp b/icu4c/source/i18n/regexcmp.cpp
index 5d71d29ffb..4d40a26791 100644
--- a/icu4c/source/i18n/regexcmp.cpp
+++ b/icu4c/source/i18n/regexcmp.cpp
@@ -27,7 +27,6 @@
 #include "uvectr32.h"
 #include "uassert.h"
 #include "ucln_in.h"
-#include "mutex.h"
 
 #include "regeximp.h"
 #include "regexcst.h"   // Contains state table for the regex pattern parser.