diff --git a/spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/main/java/org/springframework/boot/configurationprocessor/TypeExcludeFilter.java b/spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/main/java/org/springframework/boot/configurationprocessor/TypeExcludeFilter.java
index c93407cf12b..c3fc67be4b4 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/main/java/org/springframework/boot/configurationprocessor/TypeExcludeFilter.java
+++ b/spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/main/java/org/springframework/boot/configurationprocessor/TypeExcludeFilter.java
@@ -34,6 +34,7 @@ class TypeExcludeFilter {
 
 	TypeExcludeFilter() {
 		add("com.zaxxer.hikari.IConnectionCustomizer");
+		add("groovy.lang.MetaClass");
 		add("groovy.text.markup.MarkupTemplateEngine");
 		add("java.io.Writer");
 		add("java.io.PrintWriter");