diff --git a/javascript/ql/lib/semmle/javascript/security/dataflow/IncompleteHtmlAttributeSanitizationCustomizations.qll b/javascript/ql/lib/semmle/javascript/security/dataflow/IncompleteHtmlAttributeSanitizationCustomizations.qll
index f421a92298f..f237304be88 100644
--- a/javascript/ql/lib/semmle/javascript/security/dataflow/IncompleteHtmlAttributeSanitizationCustomizations.qll
+++ b/javascript/ql/lib/semmle/javascript/security/dataflow/IncompleteHtmlAttributeSanitizationCustomizations.qll
@@ -100,14 +100,4 @@ module IncompleteHtmlAttributeSanitization {
       result = this.getQuote()
     }
   }
-
-  /**
-   * An encoder for potentially malicious characters, as a sanitizer
-   * for incomplete HTML sanitization vulnerabilities.
-   */
-  class EncodingSanitizer extends Sanitizer {
-    EncodingSanitizer() {
-      this = DataFlow::globalVarRef(["encodeURIComponent", "encodeURI"]).getACall()
-    }
-  }
 }
diff --git a/javascript/ql/test/query-tests/Security/CWE-116/IncompleteSanitization/IncompleteHtmlAttributeSanitization.expected b/javascript/ql/test/query-tests/Security/CWE-116/IncompleteSanitization/IncompleteHtmlAttributeSanitization.expected
index 3f1ac1685d7..171c7f07cab 100644
--- a/javascript/ql/test/query-tests/Security/CWE-116/IncompleteSanitization/IncompleteHtmlAttributeSanitization.expected
+++ b/javascript/ql/test/query-tests/Security/CWE-116/IncompleteSanitization/IncompleteHtmlAttributeSanitization.expected
@@ -6,6 +6,7 @@
 | tst.js:253:21:253:45 | s().rep ... /g, '') | tst.js:253:21:253:45 | s().rep ... /g, '') | tst.js:253:21:253:45 | s().rep ... /g, '') | Cross-site scripting vulnerability as the output of $@ may contain ampersands or double quotes when it reaches this attribute definition. | tst.js:253:21:253:45 | s().rep ... /g, '') | this final HTML sanitizer step |
 | tst.js:254:32:254:56 | s().rep ... /g, '') | tst.js:254:32:254:56 | s().rep ... /g, '') | tst.js:254:32:254:56 | s().rep ... /g, '') | Cross-site scripting vulnerability as the output of $@ may contain ampersands or double quotes when it reaches this attribute definition. | tst.js:254:32:254:56 | s().rep ... /g, '') | this final HTML sanitizer step |
 | tst.js:270:61:270:85 | s().rep ... /g, '') | tst.js:270:61:270:85 | s().rep ... /g, '') | tst.js:270:61:270:85 | s().rep ... /g, '') | Cross-site scripting vulnerability as the output of $@ may contain ampersands or double quotes when it reaches this attribute definition. | tst.js:270:61:270:85 | s().rep ... /g, '') | this final HTML sanitizer step |
+| tst.js:272:9:272:51 | encodeU ... /g,'')) | tst.js:272:28:272:50 | s().rep ... ]/g,'') | tst.js:272:9:272:51 | encodeU ... /g,'')) | Cross-site scripting vulnerability as the output of $@ may contain double quotes when it reaches this attribute definition. | tst.js:272:28:272:50 | s().rep ... ]/g,'') | this final HTML sanitizer step |
 | tst.js:275:9:275:21 | arr.join(" ") | tst.js:274:12:274:94 | s().val ... g , '') | tst.js:275:9:275:21 | arr.join(" ") | Cross-site scripting vulnerability as the output of $@ may contain double quotes when it reaches this attribute definition. | tst.js:274:12:274:94 | s().val ... g , '') | this final HTML sanitizer step |
 | tst.js:300:10:300:33 | s().rep ... ]/g,'') | tst.js:300:10:300:33 | s().rep ... ]/g,'') | tst.js:300:10:300:33 | s().rep ... ]/g,'') | Cross-site scripting vulnerability as the output of $@ may contain single quotes when it reaches this attribute definition. | tst.js:300:10:300:33 | s().rep ... ]/g,'') | this final HTML sanitizer step |
 | tst.js:301:10:301:32 | s().rep ... ]/g,'') | tst.js:301:10:301:32 | s().rep ... ]/g,'') | tst.js:301:10:301:32 | s().rep ... ]/g,'') | Cross-site scripting vulnerability as the output of $@ may contain single quotes when it reaches this attribute definition. | tst.js:301:10:301:32 | s().rep ... ]/g,'') | this final HTML sanitizer step |
@@ -13,6 +14,7 @@
 | tst.js:303:10:303:34 | s().rep ... /g, '') | tst.js:303:10:303:34 | s().rep ... /g, '') | tst.js:303:10:303:34 | s().rep ... /g, '') | Cross-site scripting vulnerability as the output of $@ may contain single quotes when it reaches this attribute definition. | tst.js:303:10:303:34 | s().rep ... /g, '') | this final HTML sanitizer step |
 | tst.js:309:10:318:3 | s().rep ... ;";\\n\\t}) | tst.js:309:10:318:3 | s().rep ... ;";\\n\\t}) | tst.js:309:10:318:3 | s().rep ... ;";\\n\\t}) | Cross-site scripting vulnerability as the output of $@ may contain single quotes when it reaches this attribute definition. | tst.js:309:10:318:3 | s().rep ... ;";\\n\\t}) | this final HTML sanitizer step |
 edges
+| tst.js:272:28:272:50 | s().rep ... ]/g,'') | tst.js:272:9:272:51 | encodeU ... /g,'')) | provenance |  |
 | tst.js:274:6:274:8 | arr | tst.js:275:9:275:11 | arr | provenance |  |
 | tst.js:274:12:274:94 | s().val ... g , '') | tst.js:274:6:274:8 | arr | provenance |  |
 | tst.js:275:9:275:11 | arr | tst.js:275:9:275:21 | arr.join(" ") | provenance |  |
@@ -24,6 +26,8 @@ nodes
 | tst.js:253:21:253:45 | s().rep ... /g, '') | semmle.label | s().rep ... /g, '') |
 | tst.js:254:32:254:56 | s().rep ... /g, '') | semmle.label | s().rep ... /g, '') |
 | tst.js:270:61:270:85 | s().rep ... /g, '') | semmle.label | s().rep ... /g, '') |
+| tst.js:272:9:272:51 | encodeU ... /g,'')) | semmle.label | encodeU ... /g,'')) |
+| tst.js:272:28:272:50 | s().rep ... ]/g,'') | semmle.label | s().rep ... ]/g,'') |
 | tst.js:274:6:274:8 | arr | semmle.label | arr |
 | tst.js:274:12:274:94 | s().val ... g , '') | semmle.label | s().val ... g , '') |
 | tst.js:275:9:275:11 | arr | semmle.label | arr |
@@ -34,3 +38,6 @@ nodes
 | tst.js:303:10:303:34 | s().rep ... /g, '') | semmle.label | s().rep ... /g, '') |
 | tst.js:309:10:318:3 | s().rep ... ;";\\n\\t}) | semmle.label | s().rep ... ;";\\n\\t}) |
 subpaths
+testFailures
+| tst.js:272:9:272:51 | encodeU ... /g,'')) | Unexpected result: Alert |
+| tst.js:272:28:272:50 | s().rep ... ]/g,'') | Unexpected result: Alert |