diff --git a/src/Counters.cpp b/src/Counters.cpp
index 1c910b115c..cec6672974 100644
--- a/src/Counters.cpp
+++ b/src/Counters.cpp
@@ -300,7 +300,7 @@ docstring const romanCounter(int const n)
 
 docstring const lowerromanCounter(int const n)
 {
-	return support::lowercase(romanCounter(n));
+	return lowercase(romanCounter(n));
 }
 
 } // namespace anon
diff --git a/src/ISpell.cpp b/src/ISpell.cpp
index 6a74bcb824..bd772685c7 100644
--- a/src/ISpell.cpp
+++ b/src/ISpell.cpp
@@ -43,8 +43,8 @@ namespace lyx {
 
 namespace {
 
-class LaunchIspell : public support::ForkedProcess {
-	typedef support::ForkedProcess ForkedProcess;
+class LaunchIspell : public ForkedProcess
+{
 public:
 	///
 	LaunchIspell(BufferParams const & p, string const & l,
diff --git a/src/Language.cpp b/src/Language.cpp
index 770ee8686c..6e4f6fe8c0 100644
--- a/src/Language.cpp
+++ b/src/Language.cpp
@@ -24,6 +24,7 @@
 #include <ostream>
 
 using namespace std;
+using namespace lyx::support;
 
 namespace lyx {
 
@@ -37,7 +38,7 @@ Language latex_lang("latex", "", "Latex", false, "", 0, "latex", "");
 Language const * latex_language = &latex_lang;
 
 
-void Languages::read(support::FileName const & filename)
+void Languages::read(FileName const & filename)
 {
 	// We need to set the encoding of latex_lang
 	latex_lang = Language("latex", "", "Latex", false, "iso8859-1",