diff --git a/doxygen/Doxyfile b/doxygen/Doxyfile
index 08084575d8..a7943fe21c 100644
--- a/doxygen/Doxyfile
+++ b/doxygen/Doxyfile
@@ -2060,6 +2060,7 @@ PREDEFINED             = WIN32=1 \
                          JUCE_COMPILER_SUPPORTS_INITIALIZER_LISTS=1 \
                          JUCE_COMPILER_SUPPORTS_VARIADIC_TEMPLATES=1 \
                          JUCE_COMPILER_SUPPORTS_OVERRIDE_AND_FINAL=1 \
+                         JUCE_COMPILER_SUPPORTS_LAMBDAS=1 \
                          JUCE_MODAL_LOOPS_PERMITTED=1
 
 # If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then this
diff --git a/extras/BLOCKS/doxygen/Doxyfile b/extras/BLOCKS/doxygen/Doxyfile
index 44778a258a..db08ea7780 100644
--- a/extras/BLOCKS/doxygen/Doxyfile
+++ b/extras/BLOCKS/doxygen/Doxyfile
@@ -2071,6 +2071,7 @@ PREDEFINED             = WIN32=1 \
                          JUCE_COMPILER_SUPPORTS_INITIALIZER_LISTS=1 \
                          JUCE_COMPILER_SUPPORTS_VARIADIC_TEMPLATES=1 \
                          JUCE_COMPILER_SUPPORTS_OVERRIDE_AND_FINAL=1 \
+                         JUCE_COMPILER_SUPPORTS_LAMBDAS=1 \
                          JUCE_MODAL_LOOPS_PERMITTED=1
 
 # If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then this
diff --git a/modules/juce_audio_processors/utilities/juce_AudioProcessorValueTreeState.h b/modules/juce_audio_processors/utilities/juce_AudioProcessorValueTreeState.h
index 168af1b7c1..33fb8f950e 100644
--- a/modules/juce_audio_processors/utilities/juce_AudioProcessorValueTreeState.h
+++ b/modules/juce_audio_processors/utilities/juce_AudioProcessorValueTreeState.h
@@ -25,7 +25,7 @@
 #ifndef JUCE_AUDIOPROCESSORVALUETREESTATE_H_INCLUDED
 #define JUCE_AUDIOPROCESSORVALUETREESTATE_H_INCLUDED
 
-#if JUCE_COMPILER_SUPPORTS_LAMBDAS || defined (DOXYGEN)
+#if JUCE_COMPILER_SUPPORTS_LAMBDAS
 
 /**
     This class contains a ValueTree which is used to manage an AudioProcessor's entire state.