diff --git a/jdk/make/src/classes/build/tools/tzdb/TzdbZoneRulesCompiler.java b/jdk/make/src/classes/build/tools/tzdb/TzdbZoneRulesCompiler.java
index fbb3793320..a4747c3d33 100644
--- a/jdk/make/src/classes/build/tools/tzdb/TzdbZoneRulesCompiler.java
+++ b/jdk/make/src/classes/build/tools/tzdb/TzdbZoneRulesCompiler.java
@@ -640,6 +640,9 @@ private void buildZoneRules() throws Exception {
         builtZones.remove("EST");
         builtZones.remove("HST");
         builtZones.remove("MST");
+        links.remove("EST");
+        links.remove("HST");
+        links.remove("MST");
     }
 
     /**