1 files changed, 1 insertions, 3 deletions
diff --git a/source/slang/diagnostics.h b/source/slang/diagnostics.h
index c4a9532ce..4c698f95b 100644
--- a/source/slang/diagnostics.h
+++ b/source/slang/diagnostics.h
@@ -10,8 +10,6 @@
 
 namespace Slang
 {
-    using namespace CoreLib::Basic;
-
     enum class Severity
     {
         Note,
@@ -79,7 +77,7 @@ namespace Slang
 
     void printDiagnosticArg(StringBuilder& sb, char const* str);
     void printDiagnosticArg(StringBuilder& sb, int val);
-    void printDiagnosticArg(StringBuilder& sb, CoreLib::Basic::String const& str);
+    void printDiagnosticArg(StringBuilder& sb, Slang::String const& str);
     void printDiagnosticArg(StringBuilder& sb, Decl* decl);
     void printDiagnosticArg(StringBuilder& sb, Type* type);
     void printDiagnosticArg(StringBuilder& sb, ExpressionType* type);