diff --git a/modules/juce_audio_plugin_client/VST3/juce_VST3_Wrapper.cpp b/modules/juce_audio_plugin_client/VST3/juce_VST3_Wrapper.cpp
index bb2ae65355..ad464e3625 100644
--- a/modules/juce_audio_plugin_client/VST3/juce_VST3_Wrapper.cpp
+++ b/modules/juce_audio_plugin_client/VST3/juce_VST3_Wrapper.cpp
@@ -812,7 +812,7 @@ public:
             info.flags = Vst::ParameterInfo::kIsProgramChange | Vst::ParameterInfo::kCanAutomate;
         }
 
-        virtual ~ProgramChangeParameter() override = default;
+        ~ProgramChangeParameter() override = default;
 
         bool setNormalized (Vst::ParamValue v) override
         {
diff --git a/modules/juce_audio_utils/gui/juce_AudioAppComponent.h b/modules/juce_audio_utils/gui/juce_AudioAppComponent.h
index 4d3b828aab..5d3f2d7061 100644
--- a/modules/juce_audio_utils/gui/juce_AudioAppComponent.h
+++ b/modules/juce_audio_utils/gui/juce_AudioAppComponent.h
@@ -82,8 +82,8 @@ public:
                                         is needed by sources such as tone generators.
         @see releaseResources, getNextAudioBlock
     */
-    virtual void prepareToPlay (int samplesPerBlockExpected,
-                                double sampleRate) override = 0;
+    void prepareToPlay (int samplesPerBlockExpected,
+                        double sampleRate) override = 0;
 
     /** Allows the source to release anything it no longer needs after playback has stopped.
 
@@ -97,7 +97,7 @@ public:
 
         @see prepareToPlay, getNextAudioBlock
     */
-    virtual void releaseResources() override = 0;
+    void releaseResources() override = 0;
 
     /** Called repeatedly to fetch subsequent blocks of audio data.
 
@@ -111,7 +111,7 @@ public:
 
         @see AudioSourceChannelInfo, prepareToPlay, releaseResources
     */
-    virtual void getNextAudioBlock (const AudioSourceChannelInfo& bufferToFill) override = 0;
+    void getNextAudioBlock (const AudioSourceChannelInfo& bufferToFill) override = 0;
 
     /** Shuts down the audio device and clears the audio source.
 
diff --git a/modules/juce_events/messages/juce_CallbackMessage.h b/modules/juce_events/messages/juce_CallbackMessage.h
index 3ac51f6c17..1863b8d093 100644
--- a/modules/juce_events/messages/juce_CallbackMessage.h
+++ b/modules/juce_events/messages/juce_CallbackMessage.h
@@ -63,7 +63,7 @@ public:
         Note that like all other messages, this object will be deleted immediately
         after this method has been invoked.
     */
-    virtual void messageCallback() override = 0;
+    void messageCallback() override = 0;
 
 private:
     // Avoid the leak-detector because for plugins, the host can unload our DLL with undelivered