diff --git a/extras/Introjucer/Source/Application/jucer_CommonHeaders.h b/extras/Introjucer/Source/Application/jucer_CommonHeaders.h
index abb217f230..9fd97dc81b 100644
--- a/extras/Introjucer/Source/Application/jucer_CommonHeaders.h
+++ b/extras/Introjucer/Source/Application/jucer_CommonHeaders.h
@@ -68,15 +68,6 @@ const char* const projectItemDragType   = "Project Items";
 const char* const drawableItemDragType  = "Drawable Items";
 const char* const componentItemDragType = "Components";
 
-const char* const sourceFileExtensions          = "cpp;mm;m;c;cc;cxx;swift;s;asm";
-const char* const headerFileExtensions          = "h;hpp;hxx;hh;inl";
-const char* const cOrCppFileExtensions          = "cpp;cc;cxx;c";
-const char* const cppFileExtensions             = "cpp;cc;cxx";
-const char* const objCFileExtensions            = "mm;m";
-const char* const asmFileExtensions             = "s;S;asm";
-const char* const sourceOrHeaderFileExtensions  = "cpp;mm;m;c;cc;cxx;swift;s;S;asm;h;hpp;hxx;hh;inl";
-const char* const fileTypesToCompileByDefault   = "cpp;mm;c;m;cc;cxx;swift;s;S;asm;r";
-
 enum ColourIds
 {
     mainBackgroundColourId          = 0x2340000,
diff --git a/extras/Introjucer/Source/Utility/jucer_FileHelpers.h b/extras/Introjucer/Source/Utility/jucer_FileHelpers.h
index 97c4b9d683..da3792f181 100644
--- a/extras/Introjucer/Source/Utility/jucer_FileHelpers.h
+++ b/extras/Introjucer/Source/Utility/jucer_FileHelpers.h
@@ -54,13 +54,19 @@ namespace FileHelpers
 }
 
 //==============================================================================
-class FileModificationDetector
+const char* const sourceFileExtensions          = "cpp;mm;m;c;cc;cxx;swift;s;asm";
+const char* const headerFileExtensions          = "h;hpp;hxx;hh;inl";
+const char* const cOrCppFileExtensions          = "cpp;cc;cxx;c";
+const char* const cppFileExtensions             = "cpp;cc;cxx";
+const char* const objCFileExtensions            = "mm;m";
+const char* const asmFileExtensions             = "s;S;asm";
+const char* const sourceOrHeaderFileExtensions  = "cpp;mm;m;c;cc;cxx;swift;s;S;asm;h;hpp;hxx;hh;inl";
+const char* const fileTypesToCompileByDefault   = "cpp;mm;c;m;cc;cxx;swift;s;S;asm;r";
+
+//==============================================================================
+struct FileModificationDetector
 {
-public:
-    FileModificationDetector (const File& f)
-        : file (f)
-    {
-    }
+    FileModificationDetector (const File& f)  : file (f) {}
 
     const File& getFile() const                     { return file; }
     void fileHasBeenRenamed (const File& newFile)   { file = newFile; }