diff --git a/starmath/qa/cppunit/test_cursor.cxx b/starmath/qa/cppunit/test_cursor.cxx
index 002a445745c9..89d4e6fe9a8e 100644
--- a/starmath/qa/cppunit/test_cursor.cxx
+++ b/starmath/qa/cppunit/test_cursor.cxx
@@ -23,8 +23,6 @@
 
 typedef rtl::Reference<SmDocShell> SmDocShellRef;
 
-using namespace ::com::sun::star;
-
 namespace
 {
 class Test : public test::BootstrapFixture
diff --git a/starmath/qa/cppunit/test_nodetotextvisitors.cxx b/starmath/qa/cppunit/test_nodetotextvisitors.cxx
index d4981445d8bb..0fbcfa1a81a1 100644
--- a/starmath/qa/cppunit/test_nodetotextvisitors.cxx
+++ b/starmath/qa/cppunit/test_nodetotextvisitors.cxx
@@ -25,8 +25,6 @@
 
 typedef rtl::Reference<SmDocShell> SmDocShellRef;
 
-using namespace ::com::sun::star;
-
 namespace
 {
 class Test : public test::BootstrapFixture
diff --git a/starmath/qa/cppunit/test_parse.cxx b/starmath/qa/cppunit/test_parse.cxx
index cb158a15491d..2e240c04a2ac 100644
--- a/starmath/qa/cppunit/test_parse.cxx
+++ b/starmath/qa/cppunit/test_parse.cxx
@@ -21,8 +21,6 @@
 
 namespace {
 
-using namespace ::com::sun::star;
-
 typedef rtl::Reference<SmDocShell> SmDocShellRef;
 
 class ParseTest : public test::BootstrapFixture
diff --git a/starmath/source/edit.cxx b/starmath/source/edit.cxx
index f36634a16b14..464498262b2f 100644
--- a/starmath/source/edit.cxx
+++ b/starmath/source/edit.cxx
@@ -42,7 +42,6 @@
 #include <cfgitem.hxx>
 #include <smediteng.hxx>
 
-using namespace com::sun::star::accessibility;
 using namespace com::sun::star;
 
 
diff --git a/starmath/source/mathml/import.cxx b/starmath/source/mathml/import.cxx
index d857e56930d6..31d92a355cc7 100644
--- a/starmath/source/mathml/import.cxx
+++ b/starmath/source/mathml/import.cxx
@@ -58,7 +58,6 @@
 
 using namespace ::com::sun::star;
 using namespace ::com::sun::star::beans;
-using namespace ::com::sun::star::container;
 using namespace ::com::sun::star::document;
 using namespace ::com::sun::star::lang;
 using namespace ::com::sun::star::uno;
diff --git a/starmath/source/mathml/mathmlimport.cxx b/starmath/source/mathml/mathmlimport.cxx
index 7bc3e5b913e3..d6a9b8d10ad8 100644
--- a/starmath/source/mathml/mathmlimport.cxx
+++ b/starmath/source/mathml/mathmlimport.cxx
@@ -74,7 +74,6 @@ one go*/
 #include <cfgitem.hxx>
 
 using namespace ::com::sun::star::beans;
-using namespace ::com::sun::star::container;
 using namespace ::com::sun::star::document;
 using namespace ::com::sun::star::lang;
 using namespace ::com::sun::star::uno;