diff --git a/modules/juce_graphics/native/juce_DirectX_windows.cpp b/modules/juce_graphics/native/juce_DirectX_windows.cpp
index 6d7203f78e..8961ad4333 100644
--- a/modules/juce_graphics/native/juce_DirectX_windows.cpp
+++ b/modules/juce_graphics/native/juce_DirectX_windows.cpp
@@ -599,7 +599,7 @@ std::optional<Direct2DDeviceResources> Direct2DDeviceResources::create (ComSmart
 }
 
 //==============================================================================
-String getLocalisedName (IDWriteLocalizedStrings* names)
+static String getLocalisedName (IDWriteLocalizedStrings* names)
 {
     jassert (names != nullptr);
 
@@ -619,7 +619,7 @@ String getLocalisedName (IDWriteLocalizedStrings* names)
     return static_cast<const wchar_t*> (name);
 }
 
-String getFontFamilyName (IDWriteFontFamily* family)
+static String getFontFamilyName (IDWriteFontFamily* family)
 {
     jassert (family != nullptr);
     ComSmartPtr<IDWriteLocalizedStrings> familyNames;
@@ -628,7 +628,7 @@ String getFontFamilyName (IDWriteFontFamily* family)
     return getLocalisedName (familyNames);
 }
 
-String getFontFaceName (IDWriteFont* font)
+static String getFontFaceName (IDWriteFont* font)
 {
     jassert (font != nullptr);
     ComSmartPtr<IDWriteLocalizedStrings> faceNames;
@@ -637,6 +637,17 @@ String getFontFaceName (IDWriteFont* font)
     return getLocalisedName (faceNames);
 }
 
+template <typename Range>
+static StringArray stringArrayFromRange (Range&& range)
+{
+    StringArray result;
+
+    for (const auto& item : range)
+        result.add (item);
+
+    return result;
+}
+
 //==============================================================================
 AggregateFontCollection::AggregateFontCollection (ComSmartPtr<IDWriteFontCollection> baseCollection)
     : collections { std::move (baseCollection) } {}
diff --git a/modules/juce_graphics/native/juce_DirectX_windows.h b/modules/juce_graphics/native/juce_DirectX_windows.h
index 281b7c2f7a..b3828ac92c 100644
--- a/modules/juce_graphics/native/juce_DirectX_windows.h
+++ b/modules/juce_graphics/native/juce_DirectX_windows.h
@@ -409,21 +409,6 @@ private:
 };
 
 //==============================================================================
-String getLocalisedName (IDWriteLocalizedStrings* names);
-String getFontFamilyName (IDWriteFontFamily* family);
-String getFontFaceName (IDWriteFont* font);
-
-template <typename Range>
-static StringArray stringArrayFromRange (Range&& range)
-{
-    StringArray result;
-
-    for (const auto& item : range)
-        result.add (item);
-
-    return result;
-}
-
 class AggregateFontCollection
 {
 public: