diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/templating/mustache/CamelCaseLambda.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/templating/mustache/CamelCaseLambda.java
index d7b14546f190..bb73a599683e 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/templating/mustache/CamelCaseLambda.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/templating/mustache/CamelCaseLambda.java
@@ -72,16 +72,6 @@ public class CamelCaseLambda implements Mustache.Lambda {
         String text = camelize(fragment.execute().replace(" ", "_"), option);
         if (generator != null) {
             text = generator.sanitizeName(text);
-            if (generator.reservedWords().contains(text)) {
-                // Escaping must be done *after* camelize, because generators may escape using characters removed by camelize function.
-                text = generator.escapeReservedWord(text);
-            }
-
-            if (escapeParam) {
-                // NOTE: many generators call escapeReservedWord in toParamName, but we can't assume that's always the case.
-                //       Here, we'll have to accept that we may be duplicating some work.
-                text = generator.toParamName(text);
-            }
         }
         writer.write(text);
     }
diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/templating/mustache/CaseFormatLambda.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/templating/mustache/CaseFormatLambda.java
index 27bb9c6ce5ed..318b31375b08 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/templating/mustache/CaseFormatLambda.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/templating/mustache/CaseFormatLambda.java
@@ -40,10 +40,6 @@ public class CaseFormatLambda implements Mustache.Lambda {
     @Override
     public void execute(Template.Fragment fragment, Writer writer) throws IOException {
         String text = initialFormat.converterTo(targetFormat).convert(fragment.execute());
-        if (generator != null && generator.reservedWords().contains(text)) {
-            text = generator.escapeReservedWord(text);
-        }
-
         if (text != null) {
             writer.write(text);
         }
diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/templating/mustache/LowercaseLambda.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/templating/mustache/LowercaseLambda.java
index f930eaa2c002..1b21671bc4f9 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/templating/mustache/LowercaseLambda.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/templating/mustache/LowercaseLambda.java
@@ -53,9 +53,6 @@ public class LowercaseLambda implements Mustache.Lambda {
     @Override
     public void execute(Template.Fragment fragment, Writer writer) throws IOException {
         String text = fragment.execute().toLowerCase(Locale.ROOT);
-        if (generator != null && generator.reservedWords().contains(text)) {
-            text = generator.escapeReservedWord(text);
-        }
         writer.write(text);
 
     }