diff --git a/i18npool/source/breakiterator/breakiterator_cjk.cxx b/i18npool/source/breakiterator/breakiterator_cjk.cxx
index f657daab0e2f..00dc5e9db0f6 100644
--- a/i18npool/source/breakiterator/breakiterator_cjk.cxx
+++ b/i18npool/source/breakiterator/breakiterator_cjk.cxx
@@ -23,7 +23,6 @@
 #include <com/sun/star/i18n/BreakType.hpp>
 #include <com/sun/star/i18n/ScriptType.hpp>
 
-using namespace ::com::sun::star::uno;
 using namespace ::com::sun::star::i18n;
 using namespace ::com::sun::star::lang;
 
diff --git a/i18npool/source/breakiterator/breakiterator_th.cxx b/i18npool/source/breakiterator/breakiterator_th.cxx
index d7accc160f7d..531107b2a102 100644
--- a/i18npool/source/breakiterator/breakiterator_th.cxx
+++ b/i18npool/source/breakiterator/breakiterator_th.cxx
@@ -24,7 +24,6 @@
 #include <wtt.h>
 
 using namespace ::com::sun::star;
-using namespace ::com::sun::star::uno;
 using namespace ::com::sun::star::i18n;
 using namespace ::com::sun::star::lang;
 
diff --git a/i18npool/source/calendar/calendar_hijri.cxx b/i18npool/source/calendar/calendar_hijri.cxx
index ed64c80db68c..c1223cc3f767 100644
--- a/i18npool/source/calendar/calendar_hijri.cxx
+++ b/i18npool/source/calendar/calendar_hijri.cxx
@@ -26,8 +26,6 @@
 #include <tools/long.hxx>
 #include <basegfx/numeric/ftools.hxx>
 
-using namespace ::com::sun::star::uno;
-using namespace ::com::sun::star::lang;
 using namespace ::com::sun::star::i18n;
 
 namespace i18npool {
diff --git a/i18npool/source/calendar/calendar_jewish.cxx b/i18npool/source/calendar/calendar_jewish.cxx
index 19b55eaf8789..faeb7f74b13a 100644
--- a/i18npool/source/calendar/calendar_jewish.cxx
+++ b/i18npool/source/calendar/calendar_jewish.cxx
@@ -24,9 +24,7 @@
 #include <com/sun/star/i18n/CalendarDisplayCode.hpp>
 #include <com/sun/star/i18n/NativeNumberMode.hpp>
 
-using namespace ::com::sun::star::uno;
 using namespace ::com::sun::star::i18n;
-using namespace ::com::sun::star::lang;
 
 namespace i18npool {
 
diff --git a/i18npool/source/indexentry/indexentrysupplier_ja_phonetic.cxx b/i18npool/source/indexentry/indexentrysupplier_ja_phonetic.cxx
index 184662f9e56f..53b25d8ed28f 100644
--- a/i18npool/source/indexentry/indexentrysupplier_ja_phonetic.cxx
+++ b/i18npool/source/indexentry/indexentrysupplier_ja_phonetic.cxx
@@ -24,8 +24,6 @@
 #include "data/indexdata_ja_phonetic.h"
 #include <string.h>
 
-using namespace ::com::sun::star::i18n;
-
 namespace i18npool {
 
 OUString SAL_CALL IndexEntrySupplier_ja_phonetic::getIndexCharacter( const OUString& rIndexEntry,
diff --git a/i18npool/source/localedata/LocaleNode.hxx b/i18npool/source/localedata/LocaleNode.hxx
index 495c696b4291..9bb3bee2a5f4 100644
--- a/i18npool/source/localedata/LocaleNode.hxx
+++ b/i18npool/source/localedata/LocaleNode.hxx
@@ -27,7 +27,6 @@
 
 namespace com::sun::star::xml::sax { class XAttributeList; }
 
-using namespace ::cppu;
 using namespace ::com::sun::star::uno;
 using namespace ::com::sun::star::xml::sax;
 
diff --git a/i18npool/source/registerservices/registerservices.cxx b/i18npool/source/registerservices/registerservices.cxx
index 18695c70a443..d04a5205daa3 100644
--- a/i18npool/source/registerservices/registerservices.cxx
+++ b/i18npool/source/registerservices/registerservices.cxx
@@ -57,7 +57,6 @@
 #include <textconversion.hxx>
 
 using namespace ::com::sun::star;
-using namespace ::com::sun::star::i18n;
 using namespace i18npool;
 
 #define IMPL_CREATEINSTANCE( ImplName ) \
diff --git a/i18npool/source/transliteration/chartonum.cxx b/i18npool/source/transliteration/chartonum.cxx
index 41a6549b67ef..899ba9212ab7 100644
--- a/i18npool/source/transliteration/chartonum.cxx
+++ b/i18npool/source/transliteration/chartonum.cxx
@@ -19,8 +19,6 @@
 
 #include <chartonum.hxx>
 
-using namespace com::sun::star::uno;
-
 namespace i18npool {
 
 #define TRANSLITERATION_CHARTONUM( name ) \
diff --git a/i18npool/source/transliteration/fullwidthToHalfwidth.cxx b/i18npool/source/transliteration/fullwidthToHalfwidth.cxx
index fbd2624e149b..558177128618 100644
--- a/i18npool/source/transliteration/fullwidthToHalfwidth.cxx
+++ b/i18npool/source/transliteration/fullwidthToHalfwidth.cxx
@@ -26,7 +26,6 @@
 
 using namespace com::sun::star::uno;
 using namespace com::sun::star::i18n;
-using namespace com::sun::star::lang;
 
 namespace i18npool {
 
diff --git a/i18npool/source/transliteration/halfwidthToFullwidth.cxx b/i18npool/source/transliteration/halfwidthToFullwidth.cxx
index 8351291031f7..528aa0d87523 100644
--- a/i18npool/source/transliteration/halfwidthToFullwidth.cxx
+++ b/i18npool/source/transliteration/halfwidthToFullwidth.cxx
@@ -22,7 +22,6 @@
 #include <transliteration_OneToOne.hxx>
 
 using namespace com::sun::star::uno;
-using namespace com::sun::star::lang;
 
 
 namespace i18npool {
diff --git a/i18npool/source/transliteration/hiraganaToKatakana.cxx b/i18npool/source/transliteration/hiraganaToKatakana.cxx
index 80b6f14d82f8..4cefa0d79e61 100644
--- a/i18npool/source/transliteration/hiraganaToKatakana.cxx
+++ b/i18npool/source/transliteration/hiraganaToKatakana.cxx
@@ -19,9 +19,6 @@
 
 #include <transliteration_OneToOne.hxx>
 
-using namespace com::sun::star::uno;
-using namespace com::sun::star::lang;
-
 namespace i18npool
 {
 // see http://charts.unicode.org/Web/U3040.html Hiragana (U+3040..U+309F)
diff --git a/i18npool/source/transliteration/ignoreBaFa_ja_JP.cxx b/i18npool/source/transliteration/ignoreBaFa_ja_JP.cxx
index 042e09c1df9f..34b4a465e40c 100644
--- a/i18npool/source/transliteration/ignoreBaFa_ja_JP.cxx
+++ b/i18npool/source/transliteration/ignoreBaFa_ja_JP.cxx
@@ -19,8 +19,6 @@
 
 #include <transliteration_Ignore.hxx>
 
-using namespace com::sun::star::uno;
-
 namespace i18npool {
 
 const transliteration_Ignore::Mapping BaFa[] = {
diff --git a/i18npool/source/transliteration/ignoreHyuByu_ja_JP.cxx b/i18npool/source/transliteration/ignoreHyuByu_ja_JP.cxx
index be66ddfc9381..b564ab0930af 100644
--- a/i18npool/source/transliteration/ignoreHyuByu_ja_JP.cxx
+++ b/i18npool/source/transliteration/ignoreHyuByu_ja_JP.cxx
@@ -19,9 +19,6 @@
 
 #include <transliteration_Ignore.hxx>
 
-using namespace com::sun::star::uno;
-using namespace com::sun::star::lang;
-
 namespace i18npool {
 
 const transliteration_Ignore::Mapping HyuByu[] = {
diff --git a/i18npool/source/transliteration/ignoreIandEfollowedByYa_ja_JP.cxx b/i18npool/source/transliteration/ignoreIandEfollowedByYa_ja_JP.cxx
index 5e8659027992..84fffc560358 100644
--- a/i18npool/source/transliteration/ignoreIandEfollowedByYa_ja_JP.cxx
+++ b/i18npool/source/transliteration/ignoreIandEfollowedByYa_ja_JP.cxx
@@ -24,7 +24,6 @@
 #include <numeric>
 
 using namespace com::sun::star::uno;
-using namespace com::sun::star::lang;
 
 namespace i18npool {
 
diff --git a/i18npool/source/transliteration/ignoreIterationMark_ja_JP.cxx b/i18npool/source/transliteration/ignoreIterationMark_ja_JP.cxx
index c5a3cb04565c..a1f64d163bd6 100644
--- a/i18npool/source/transliteration/ignoreIterationMark_ja_JP.cxx
+++ b/i18npool/source/transliteration/ignoreIterationMark_ja_JP.cxx
@@ -24,7 +24,6 @@
 #include <numeric>
 
 using namespace com::sun::star::uno;
-using namespace com::sun::star::lang;
 
 
 namespace i18npool {
diff --git a/i18npool/source/transliteration/ignoreKana.cxx b/i18npool/source/transliteration/ignoreKana.cxx
index 86a484e1a67b..36c1b528c4aa 100644
--- a/i18npool/source/transliteration/ignoreKana.cxx
+++ b/i18npool/source/transliteration/ignoreKana.cxx
@@ -25,7 +25,6 @@
 namespace com::sun::star::uno { class XComponentContext; }
 
 using namespace com::sun::star::uno;
-using namespace com::sun::star::lang;
 
 namespace i18npool {
 
diff --git a/i18npool/source/transliteration/ignoreKiKuFollowedBySa_ja_JP.cxx b/i18npool/source/transliteration/ignoreKiKuFollowedBySa_ja_JP.cxx
index 113c80f9aeeb..293ff03b2bb8 100644
--- a/i18npool/source/transliteration/ignoreKiKuFollowedBySa_ja_JP.cxx
+++ b/i18npool/source/transliteration/ignoreKiKuFollowedBySa_ja_JP.cxx
@@ -22,7 +22,6 @@
 #include <numeric>
 
 using namespace com::sun::star::uno;
-using namespace com::sun::star::lang;
 
 namespace i18npool {
 
diff --git a/i18npool/source/transliteration/ignoreProlongedSoundMark_ja_JP.cxx b/i18npool/source/transliteration/ignoreProlongedSoundMark_ja_JP.cxx
index 3291afa9ba7d..dba1165d5162 100644
--- a/i18npool/source/transliteration/ignoreProlongedSoundMark_ja_JP.cxx
+++ b/i18npool/source/transliteration/ignoreProlongedSoundMark_ja_JP.cxx
@@ -22,7 +22,6 @@
 #include <numeric>
 
 using namespace com::sun::star::uno;
-using namespace com::sun::star::lang;
 
 namespace i18npool {
 
diff --git a/i18npool/source/transliteration/ignoreSeZe_ja_JP.cxx b/i18npool/source/transliteration/ignoreSeZe_ja_JP.cxx
index 1851a2791bb2..83ef32dad35f 100644
--- a/i18npool/source/transliteration/ignoreSeZe_ja_JP.cxx
+++ b/i18npool/source/transliteration/ignoreSeZe_ja_JP.cxx
@@ -19,9 +19,6 @@
 
 #include <transliteration_Ignore.hxx>
 
-using namespace com::sun::star::uno;
-using namespace com::sun::star::lang;
-
 namespace i18npool
 {
 const transliteration_Ignore::Mapping SeZe[] = {
diff --git a/i18npool/source/transliteration/ignoreSize_ja_JP.cxx b/i18npool/source/transliteration/ignoreSize_ja_JP.cxx
index 01f3f20da43f..24279439ca97 100644
--- a/i18npool/source/transliteration/ignoreSize_ja_JP.cxx
+++ b/i18npool/source/transliteration/ignoreSize_ja_JP.cxx
@@ -22,7 +22,6 @@
 #include <rtl/ref.hxx>
 
 using namespace com::sun::star::uno;
-using namespace com::sun::star::lang;
 
 namespace i18npool {
 
diff --git a/i18npool/source/transliteration/ignoreTiJi_ja_JP.cxx b/i18npool/source/transliteration/ignoreTiJi_ja_JP.cxx
index a3e6116a9b62..40b216a00007 100644
--- a/i18npool/source/transliteration/ignoreTiJi_ja_JP.cxx
+++ b/i18npool/source/transliteration/ignoreTiJi_ja_JP.cxx
@@ -19,9 +19,6 @@
 
 #include <transliteration_Ignore.hxx>
 
-using namespace com::sun::star::uno;
-using namespace com::sun::star::lang;
-
 namespace i18npool
 {
 const transliteration_Ignore::Mapping TiJi[] = {
diff --git a/i18npool/source/transliteration/ignoreWidth.cxx b/i18npool/source/transliteration/ignoreWidth.cxx
index 1b9f15fde159..80d285ccfed8 100644
--- a/i18npool/source/transliteration/ignoreWidth.cxx
+++ b/i18npool/source/transliteration/ignoreWidth.cxx
@@ -25,7 +25,6 @@
 namespace com::sun::star::uno { class XComponentContext; }
 
 using namespace com::sun::star::uno;
-using namespace com::sun::star::lang;
 
 namespace i18npool {
 
diff --git a/i18npool/source/transliteration/largeToSmall_ja_JP.cxx b/i18npool/source/transliteration/largeToSmall_ja_JP.cxx
index f6771fb6d4ac..089cd6e53e7a 100644
--- a/i18npool/source/transliteration/largeToSmall_ja_JP.cxx
+++ b/i18npool/source/transliteration/largeToSmall_ja_JP.cxx
@@ -21,9 +21,6 @@
 
 #include <transliteration_OneToOne.hxx>
 
-using namespace com::sun::star::uno;
-using namespace com::sun::star::lang;
-
 namespace i18npool
 {
 // ftp://ftp.unicode.org/Public/3.0-Update/UnicodeData-3.0.0.txt
diff --git a/i18npool/source/transliteration/smallToLarge_ja_JP.cxx b/i18npool/source/transliteration/smallToLarge_ja_JP.cxx
index 47ddba1a96d3..c71706bfbffb 100644
--- a/i18npool/source/transliteration/smallToLarge_ja_JP.cxx
+++ b/i18npool/source/transliteration/smallToLarge_ja_JP.cxx
@@ -21,9 +21,6 @@
 
 #include <transliteration_OneToOne.hxx>
 
-using namespace com::sun::star::uno;
-using namespace com::sun::star::lang;
-
 namespace i18npool
 {
 // ftp://ftp.unicode.org/Public/3.0-Update/UnicodeData-3.0.0.txt
diff --git a/i18npool/source/transliteration/texttonum.cxx b/i18npool/source/transliteration/texttonum.cxx
index 5fd0e898de96..4517471d3a68 100644
--- a/i18npool/source/transliteration/texttonum.cxx
+++ b/i18npool/source/transliteration/texttonum.cxx
@@ -19,8 +19,6 @@
 
 #include <texttonum.hxx>
 
-using namespace com::sun::star::uno;
-
 namespace i18npool {
 
 #define TRANSLITERATION_TEXTTONUM( name ) \