diff --git a/icu4c/source/common/ucnv_bld.cpp b/icu4c/source/common/ucnv_bld.cpp
index d34a1b48536..172f71bc6a9 100644
--- a/icu4c/source/common/ucnv_bld.cpp
+++ b/icu4c/source/common/ucnv_bld.cpp
@@ -44,7 +44,6 @@
 #include "ucln_cmn.h"
 #include "ustr_cnv.h"
 
-U_NAMESPACE_BEGIN
 
 #if 0
 #include <stdio.h>
@@ -1702,6 +1701,4 @@ ucnv_swap(const UDataSwapper *ds,
 
 #endif /* #if !UCONFIG_NO_LEGACY_CONVERSION */
 
-U_NAMESPACE_END
-
 #endif
diff --git a/icu4c/source/common/uresbund.cpp b/icu4c/source/common/uresbund.cpp
index 8081646f5e8..8c34be5bd69 100644
--- a/icu4c/source/common/uresbund.cpp
+++ b/icu4c/source/common/uresbund.cpp
@@ -36,7 +36,6 @@
 #include "putilimp.h"
 #include "uassert.h"
 
-U_NAMESPACE_BEGIN
 
 /*
 Static cache for already opened resource bundles - mostly for keeping fallback info
@@ -2879,5 +2878,4 @@ ures_getVersionByKey(const UResourceBundle* res, const char *key, UVersionInfo v
   } 
 }
 
-U_NAMESPACE_END
 /* eof */