diff --git a/grails-plugin-testing/build.gradle b/grails-plugin-testing/build.gradle
index da2af69cfbd..73bf4432420 100644
--- a/grails-plugin-testing/build.gradle
+++ b/grails-plugin-testing/build.gradle
@@ -32,8 +32,8 @@ eclipse {
     classpath {
        file {
            whenMerged { classpath ->
-                // greclipse doesn't support ASTs and tests in same project
-                classpath.entries.removeAll { entry -> entry.kind == 'src' && entry.path == "src/test/groovy" }
+                // greclipse doesn't support ASTs and tests in same project, exclude those tests
+                classpath.entries.find { entry -> entry.kind == 'src' && entry.path == "src/test/groovy" }?.excludes=["grails/test/mixin/MetaClassCleanupSpec.groovy"]
            }
        }
     }