diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/JavaCXFExtServerCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/JavaCXFExtServerCodegen.java
index 0ed1116bff6..4160502f47e 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/JavaCXFExtServerCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/JavaCXFExtServerCodegen.java
@@ -322,8 +322,6 @@ public class JavaCXFExtServerCodegen extends JavaCXFServerCodegen implements CXF
 
     protected File testDataControlFile = null;
 
-    protected String localVariablePrefix = "";
-
     public JavaCXFExtServerCodegen() {
         super();
 
@@ -444,9 +442,9 @@ public class JavaCXFExtServerCodegen extends JavaCXFServerCodegen implements CXF
                                        Collection<String> localVars, Map<String, CodegenModel> models) {
 
         // Ensure that we're using a unique local variable name (to avoid typing and overwriting conflicts).
-        String localVar = localVariablePrefix + var.name;
+        String localVar = var.name;
         for (int i = 2; localVars.contains(localVar); i++)
-            localVar = localVariablePrefix + var.name + i;
+            localVar = var.name + i;
         localVars.add(localVar);
 
         if (!loadTestDataFromFile)
diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/K6ClientCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/K6ClientCodegen.java
index 6302588d830..12c11050683 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/K6ClientCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/K6ClientCodegen.java
@@ -184,7 +184,6 @@ public class K6ClientCodegen extends DefaultCodegen implements CodegenConfig {
 
     protected String invokerPackage;
     protected String sourceFolder = "";
-    protected String localVariablePrefix = "";
     private String modelPropertyNaming = "camelCase";
     protected boolean preserveLeadingParamChar = false;
 
diff --git a/modules/openapi-generator/src/main/resources/Java/libraries/jersey2/api.mustache b/modules/openapi-generator/src/main/resources/Java/libraries/jersey2/api.mustache
index 5376c811c44..16f7ef45b8c 100644
--- a/modules/openapi-generator/src/main/resources/Java/libraries/jersey2/api.mustache
+++ b/modules/openapi-generator/src/main/resources/Java/libraries/jersey2/api.mustache
@@ -173,12 +173,12 @@ public class {{classname}} {
 
   public class API{{operationId}}Request {
     {{#allParams}}
-    private {{#isRequired}}final {{/isRequired}}{{{dataType}}} {{localVariablePrefix}}{{paramName}};
+    private {{#isRequired}}final {{/isRequired}}{{{dataType}}} {{paramName}};
     {{/allParams}}
 
     private API{{operationId}}Request({{#pathParams}}{{{dataType}}} {{paramName}}{{#hasMore}}, {{/hasMore}}{{/pathParams}}) {
       {{#pathParams}}
-      this.{{localVariablePrefix}}{{paramName}} = {{paramName}};
+      this.{{paramName}} = {{paramName}};
       {{/pathParams}}
     }
     {{#allParams}}
@@ -190,7 +190,7 @@ public class {{classname}} {
      * @return API{{operationId}}Request
      */
     public API{{operationId}}Request {{paramName}}({{{dataType}}} {{paramName}}) {
-      this.{{localVariablePrefix}}{{paramName}} = {{paramName}};
+      this.{{paramName}} = {{paramName}};
       return this;
     }
     {{/isPathParam}}
@@ -236,7 +236,7 @@ public class {{classname}} {
     @Deprecated
     {{/isDeprecated}}
     public ApiResponse<{{#returnType}}{{{.}}}{{/returnType}}{{^returnType}}Void{{/returnType}}> executeWithHttpInfo() throws ApiException {
-      return {{operationId}}WithHttpInfo({{#allParams}}{{localVariablePrefix}}{{paramName}}{{#hasMore}}, {{/hasMore}}{{/allParams}});
+      return {{operationId}}WithHttpInfo({{#allParams}}{{paramName}}{{#hasMore}}, {{/hasMore}}{{/allParams}});
     }
   }
 
diff --git a/modules/openapi-generator/src/test/resources/2_0/templates/Java/libraries/jersey2/api.mustache b/modules/openapi-generator/src/test/resources/2_0/templates/Java/libraries/jersey2/api.mustache
index e448729450d..1559a304ce8 100644
--- a/modules/openapi-generator/src/test/resources/2_0/templates/Java/libraries/jersey2/api.mustache
+++ b/modules/openapi-generator/src/test/resources/2_0/templates/Java/libraries/jersey2/api.mustache
@@ -22,22 +22,22 @@ import java.util.Map;
 {{>generatedAnnotation}}
 {{#operations}}
 public class {{classname}} {
-  private ApiClient {{localVariablePrefix}}apiClient;
+  private ApiClient apiClient;
 
   public {{classname}}() {
     this(Configuration.getDefaultApiClient());
   }
 
   public {{classname}}(ApiClient apiClient) {
-    this.{{localVariablePrefix}}apiClient = apiClient;
+    this.apiClient = apiClient;
   }
 
   public ApiClient getApiClient() {
-    return {{localVariablePrefix}}apiClient;
+    return apiClient;
   }
 
   public void setApiClient(ApiClient apiClient) {
-    this.{{localVariablePrefix}}apiClient = apiClient;
+    this.apiClient = apiClient;
   }
 
   {{#operation}}
@@ -53,7 +53,7 @@ public class {{classname}} {
    * @throws ApiException if fails to make API call
    */
   public {{#returnType}}{{{returnType}}} {{/returnType}}{{^returnType}}void {{/returnType}}{{operationId}}({{#allParams}}{{{dataType}}} {{paramName}}{{#hasMore}}, {{/hasMore}}{{/allParams}}) throws ApiException {
-    Object {{localVariablePrefix}}localVarPostBody = {{#bodyParam}}{{paramName}}{{/bodyParam}}{{^bodyParam}}null{{/bodyParam}};
+    Object localVarPostBody = {{#bodyParam}}{{paramName}}{{/bodyParam}}{{^bodyParam}}null{{/bodyParam}};
     {{#allParams}}{{#required}}
     // verify the required parameter '{{paramName}}' is set
     if ({{paramName}} == null) {
@@ -61,43 +61,43 @@ public class {{classname}} {
     }
     {{/required}}{{/allParams}}
     // create path and map variables
-    String {{localVariablePrefix}}localVarPath = "{{{path}}}".replaceAll("\\{format\\}","json"){{#pathParams}}
-      .replaceAll("\\{" + "{{baseName}}" + "\\}", {{localVariablePrefix}}apiClient.escapeString({{{paramName}}}.toString())){{/pathParams}};
+    String localVarPath = "{{{path}}}".replaceAll("\\{format\\}","json"){{#pathParams}}
+      .replaceAll("\\{" + "{{baseName}}" + "\\}", apiClient.escapeString({{{paramName}}}.toString())){{/pathParams}};
 
     // query params
-    {{javaUtilPrefix}}List<Pair> {{localVariablePrefix}}localVarQueryParams = new {{javaUtilPrefix}}ArrayList<Pair>();
-    {{javaUtilPrefix}}Map<String, String> {{localVariablePrefix}}localVarHeaderParams = new {{javaUtilPrefix}}HashMap<String, String>();
-    {{javaUtilPrefix}}Map<String, Object> {{localVariablePrefix}}localVarFormParams = new {{javaUtilPrefix}}HashMap<String, Object>();
+    {{javaUtilPrefix}}List<Pair> localVarQueryParams = new {{javaUtilPrefix}}ArrayList<Pair>();
+    {{javaUtilPrefix}}Map<String, String> localVarHeaderParams = new {{javaUtilPrefix}}HashMap<String, String>();
+    {{javaUtilPrefix}}Map<String, Object> localVarFormParams = new {{javaUtilPrefix}}HashMap<String, Object>();
 
     {{#queryParams}}
-    {{localVariablePrefix}}localVarQueryParams.addAll({{localVariablePrefix}}apiClient.parameterToPairs("{{#collectionFormat}}{{{collectionFormat}}}{{/collectionFormat}}", "{{baseName}}", {{paramName}}));
+    localVarQueryParams.addAll(apiClient.parameterToPairs("{{#collectionFormat}}{{{collectionFormat}}}{{/collectionFormat}}", "{{baseName}}", {{paramName}}));
     {{/queryParams}}
 
     {{#headerParams}}if ({{paramName}} != null)
-      {{localVariablePrefix}}localVarHeaderParams.put("{{baseName}}", {{localVariablePrefix}}apiClient.parameterToString({{paramName}}));
+      localVarHeaderParams.put("{{baseName}}", apiClient.parameterToString({{paramName}}));
     {{/headerParams}}
 
     {{#formParams}}if ({{paramName}} != null)
-      {{localVariablePrefix}}localVarFormParams.put("{{baseName}}", {{paramName}});
+      localVarFormParams.put("{{baseName}}", {{paramName}});
     {{/formParams}}
 
-    final String[] {{localVariablePrefix}}localVarAccepts = {
+    final String[] localVarAccepts = {
       {{#produces}}"{{{mediaType}}}"{{#hasMore}}, {{/hasMore}}{{/produces}}
     };
-    final String {{localVariablePrefix}}localVarAccept = {{localVariablePrefix}}apiClient.selectHeaderAccept({{localVariablePrefix}}localVarAccepts);
+    final String localVarAccept = apiClient.selectHeaderAccept(localVarAccepts);
 
-    final String[] {{localVariablePrefix}}localVarContentTypes = {
+    final String[] localVarContentTypes = {
       {{#consumes}}"{{{mediaType}}}"{{#hasMore}}, {{/hasMore}}{{/consumes}}
     };
-    final String {{localVariablePrefix}}localVarContentType = {{localVariablePrefix}}apiClient.selectHeaderContentType({{localVariablePrefix}}localVarContentTypes);
+    final String localVarContentType = apiClient.selectHeaderContentType(localVarContentTypes);
 
-    String[] {{localVariablePrefix}}localVarAuthNames = new String[] { {{#authMethods}}"{{name}}"{{#hasMore}}, {{/hasMore}}{{/authMethods}} };
+    String[] localVarAuthNames = new String[] { {{#authMethods}}"{{name}}"{{#hasMore}}, {{/hasMore}}{{/authMethods}} };
 
     {{#returnType}}
-    GenericType<{{{returnType}}}> {{localVariablePrefix}}localVarReturnType = new GenericType<{{{returnType}}}>() {};
-    return {{localVariablePrefix}}apiClient.invokeAPI({{localVariablePrefix}}localVarPath, "{{httpMethod}}", {{localVariablePrefix}}localVarQueryParams, {{localVariablePrefix}}localVarPostBody, {{localVariablePrefix}}localVarHeaderParams, {{localVariablePrefix}}localVarFormParams, {{localVariablePrefix}}localVarAccept, {{localVariablePrefix}}localVarContentType, {{localVariablePrefix}}localVarAuthNames, {{localVariablePrefix}}localVarReturnType);
+    GenericType<{{{returnType}}}> localVarReturnType = new GenericType<{{{returnType}}}>() {};
+    return apiClient.invokeAPI(localVarPath, "{{httpMethod}}", localVarQueryParams, localVarPostBody, localVarHeaderParams, localVarFormParams, localVarAccept, localVarContentType, localVarAuthNames, localVarReturnType);
     {{/returnType}}{{^returnType}}
-    {{localVariablePrefix}}apiClient.invokeAPI({{localVariablePrefix}}localVarPath, "{{httpMethod}}", {{localVariablePrefix}}localVarQueryParams, {{localVariablePrefix}}localVarPostBody, {{localVariablePrefix}}localVarHeaderParams, {{localVariablePrefix}}localVarFormParams, {{localVariablePrefix}}localVarAccept, {{localVariablePrefix}}localVarContentType, {{localVariablePrefix}}localVarAuthNames, null);
+    apiClient.invokeAPI(localVarPath, "{{httpMethod}}", localVarQueryParams, localVarPostBody, localVarHeaderParams, localVarFormParams, localVarAccept, localVarContentType, localVarAuthNames, null);
     {{/returnType}}
   }
   {{/operation}}
diff --git a/modules/openapi-generator/src/test/resources/sampleConfig.json b/modules/openapi-generator/src/test/resources/sampleConfig.json
index 1c59ab4e546..d88bd26dd82 100644
--- a/modules/openapi-generator/src/test/resources/sampleConfig.json
+++ b/modules/openapi-generator/src/test/resources/sampleConfig.json
@@ -29,6 +29,5 @@
     "importMappings" : {
         "type1" : "import1"
     },
-    "languageSpecificPrimitives" : [ "rolex" ],
-    "localVariablePrefix" : "_"
+    "languageSpecificPrimitives" : [ "rolex" ]
 }
\ No newline at end of file