diff --git a/java/ql/lib/semmle/code/java/security/LogInjectionQuery.qll b/java/ql/lib/semmle/code/java/security/LogInjectionQuery.qll
index 64d59993b3d..c34ba0e4849 100644
--- a/java/ql/lib/semmle/code/java/security/LogInjectionQuery.qll
+++ b/java/ql/lib/semmle/code/java/security/LogInjectionQuery.qll
@@ -19,6 +19,10 @@ module LogInjectionConfig implements DataFlow::ConfigSig {
   }
 
   predicate isBarrierIn(DataFlow::Node node) { isSource(node) }
+
+  predicate observeDiffInformedIncrementalMode() {
+    none() // straightforward case; but the large test source is causing OOMs under `--check-diff-informed`.
+  }
 }
 
 /**