diff --git a/modules/juce_gui_basics/native/accessibility/juce_android_Accessibility.cpp b/modules/juce_gui_basics/native/accessibility/juce_android_Accessibility.cpp
index cb415b7edb..a7816094a1 100644
--- a/modules/juce_gui_basics/native/accessibility/juce_android_Accessibility.cpp
+++ b/modules/juce_gui_basics/native/accessibility/juce_android_Accessibility.cpp
@@ -757,7 +757,7 @@ AccessibilityNativeHandle* AccessibilityHandler::getNativeImplementation() const
     return nativeImpl.get();
 }
 
-bool areAnyAccessibilityClientsActive()
+static bool areAnyAccessibilityClientsActive()
 {
     auto* env = getEnv();
 
diff --git a/modules/juce_gui_basics/native/accessibility/juce_ios_Accessibility.mm b/modules/juce_gui_basics/native/accessibility/juce_ios_Accessibility.mm
index fe7c841e63..78a1747604 100644
--- a/modules/juce_gui_basics/native/accessibility/juce_ios_Accessibility.mm
+++ b/modules/juce_gui_basics/native/accessibility/juce_ios_Accessibility.mm
@@ -459,7 +459,7 @@ AccessibilityNativeHandle* AccessibilityHandler::getNativeImplementation() const
     return (AccessibilityNativeHandle*) nativeImpl->getAccessibilityElement();
 }
 
-bool areAnyAccessibilityClientsActive()
+static bool areAnyAccessibilityClientsActive()
 {
     return UIAccessibilityIsVoiceOverRunning();
 }
diff --git a/modules/juce_gui_basics/native/accessibility/juce_mac_Accessibility.mm b/modules/juce_gui_basics/native/accessibility/juce_mac_Accessibility.mm
index b47ebc0d20..dbf6d1cad3 100644
--- a/modules/juce_gui_basics/native/accessibility/juce_mac_Accessibility.mm
+++ b/modules/juce_gui_basics/native/accessibility/juce_mac_Accessibility.mm
@@ -834,7 +834,7 @@ AccessibilityNativeHandle* AccessibilityHandler::getNativeImplementation() const
     return (AccessibilityNativeHandle*) nativeImpl->getAccessibilityElement();
 }
 
-bool areAnyAccessibilityClientsActive()
+static bool areAnyAccessibilityClientsActive()
 {
     const String voiceOverKeyString ("voiceOverOnOffKey");
     const String applicationIDString ("com.apple.universalaccess");
diff --git a/modules/juce_gui_basics/native/accessibility/juce_win32_Accessibility.cpp b/modules/juce_gui_basics/native/accessibility/juce_win32_Accessibility.cpp
index ffdf188db7..18de60fe22 100644
--- a/modules/juce_gui_basics/native/accessibility/juce_win32_Accessibility.cpp
+++ b/modules/juce_gui_basics/native/accessibility/juce_win32_Accessibility.cpp
@@ -94,7 +94,7 @@ AccessibilityNativeHandle* AccessibilityHandler::getNativeImplementation() const
     return nativeImpl->accessibilityElement;
 }
 
-bool areAnyAccessibilityClientsActive()
+static bool areAnyAccessibilityClientsActive()
 {
     const auto areClientsListening = []
     {