diff --git a/modules/openapi-generator/src/main/resources/go-server/helpers.mustache b/modules/openapi-generator/src/main/resources/go-server/helpers.mustache
index 9a47f81c7da..b50fd0176d7 100644
--- a/modules/openapi-generator/src/main/resources/go-server/helpers.mustache
+++ b/modules/openapi-generator/src/main/resources/go-server/helpers.mustache
@@ -15,6 +15,10 @@ import (
 	"time"
 )
 
+const errMsgRequiredMissing = "required parameter is missing"
+const errMsgMinValueConstraint = "provided parameter is not respecting minimum value constraint"
+const errMsgMaxValueConstraint = "provided parameter is not respecting maximum value constraint"
+
 // Response return a ImplResponse struct filled
 func Response(code int, body interface{}) ImplResponse {
 	return ImplResponse {
diff --git a/modules/openapi-generator/src/main/resources/go-server/routers.mustache b/modules/openapi-generator/src/main/resources/go-server/routers.mustache
index 0e10f7b97ca..8eb5eac7b5a 100644
--- a/modules/openapi-generator/src/main/resources/go-server/routers.mustache
+++ b/modules/openapi-generator/src/main/resources/go-server/routers.mustache
@@ -34,10 +34,6 @@ type Router interface {
 	Routes() Routes
 }
 
-const errMsgRequiredMissing = "required parameter is missing"
-const errMsgMinValueConstraint = "provided parameter is not respecting minimum value constraint"
-const errMsgMaxValueConstraint = "provided parameter is not respecting maximum value constraint"
-
 // NewRouter creates a new router for any number of api routers
 func NewRouter(routers ...Router) {{#routers}}{{#mux}}*mux.Router{{/mux}}{{#chi}}chi.Router{{/chi}}{{/routers}} {
 {{#routers}}
diff --git a/samples/openapi3/server/petstore/go/go-petstore/go/helpers.go b/samples/openapi3/server/petstore/go/go-petstore/go/helpers.go
index 6f710348903..6f0e318d8e1 100644
--- a/samples/openapi3/server/petstore/go/go-petstore/go/helpers.go
+++ b/samples/openapi3/server/petstore/go/go-petstore/go/helpers.go
@@ -24,6 +24,10 @@ import (
 	"time"
 )
 
+const errMsgRequiredMissing = "required parameter is missing"
+const errMsgMinValueConstraint = "provided parameter is not respecting minimum value constraint"
+const errMsgMaxValueConstraint = "provided parameter is not respecting maximum value constraint"
+
 // Response return a ImplResponse struct filled
 func Response(code int, body interface{}) ImplResponse {
 	return ImplResponse {
diff --git a/samples/openapi3/server/petstore/go/go-petstore/go/routers.go b/samples/openapi3/server/petstore/go/go-petstore/go/routers.go
index 438895d1afe..392e3598b38 100644
--- a/samples/openapi3/server/petstore/go/go-petstore/go/routers.go
+++ b/samples/openapi3/server/petstore/go/go-petstore/go/routers.go
@@ -30,10 +30,6 @@ type Router interface {
 	Routes() Routes
 }
 
-const errMsgRequiredMissing = "required parameter is missing"
-const errMsgMinValueConstraint = "provided parameter is not respecting minimum value constraint"
-const errMsgMaxValueConstraint = "provided parameter is not respecting maximum value constraint"
-
 // NewRouter creates a new router for any number of api routers
 func NewRouter(routers ...Router) chi.Router {
 	router := chi.NewRouter()
diff --git a/samples/server/others/go-server/no-body-path-params/go/helpers.go b/samples/server/others/go-server/no-body-path-params/go/helpers.go
index 1306a51d3d6..a4df0161732 100644
--- a/samples/server/others/go-server/no-body-path-params/go/helpers.go
+++ b/samples/server/others/go-server/no-body-path-params/go/helpers.go
@@ -24,6 +24,10 @@ import (
 	"time"
 )
 
+const errMsgRequiredMissing = "required parameter is missing"
+const errMsgMinValueConstraint = "provided parameter is not respecting minimum value constraint"
+const errMsgMaxValueConstraint = "provided parameter is not respecting maximum value constraint"
+
 // Response return a ImplResponse struct filled
 func Response(code int, body interface{}) ImplResponse {
 	return ImplResponse {
diff --git a/samples/server/others/go-server/no-body-path-params/go/routers.go b/samples/server/others/go-server/no-body-path-params/go/routers.go
index d89a1de60ce..b03b76a1354 100644
--- a/samples/server/others/go-server/no-body-path-params/go/routers.go
+++ b/samples/server/others/go-server/no-body-path-params/go/routers.go
@@ -30,10 +30,6 @@ type Router interface {
 	Routes() Routes
 }
 
-const errMsgRequiredMissing = "required parameter is missing"
-const errMsgMinValueConstraint = "provided parameter is not respecting minimum value constraint"
-const errMsgMaxValueConstraint = "provided parameter is not respecting maximum value constraint"
-
 // NewRouter creates a new router for any number of api routers
 func NewRouter(routers ...Router) *mux.Router {
 	router := mux.NewRouter().StrictSlash(true)
diff --git a/samples/server/petstore/go-api-server/go/helpers.go b/samples/server/petstore/go-api-server/go/helpers.go
index 6f710348903..6f0e318d8e1 100644
--- a/samples/server/petstore/go-api-server/go/helpers.go
+++ b/samples/server/petstore/go-api-server/go/helpers.go
@@ -24,6 +24,10 @@ import (
 	"time"
 )
 
+const errMsgRequiredMissing = "required parameter is missing"
+const errMsgMinValueConstraint = "provided parameter is not respecting minimum value constraint"
+const errMsgMaxValueConstraint = "provided parameter is not respecting maximum value constraint"
+
 // Response return a ImplResponse struct filled
 func Response(code int, body interface{}) ImplResponse {
 	return ImplResponse {
diff --git a/samples/server/petstore/go-api-server/go/routers.go b/samples/server/petstore/go-api-server/go/routers.go
index cbb3a397f4a..d16a9e0a13b 100644
--- a/samples/server/petstore/go-api-server/go/routers.go
+++ b/samples/server/petstore/go-api-server/go/routers.go
@@ -30,10 +30,6 @@ type Router interface {
 	Routes() Routes
 }
 
-const errMsgRequiredMissing = "required parameter is missing"
-const errMsgMinValueConstraint = "provided parameter is not respecting minimum value constraint"
-const errMsgMaxValueConstraint = "provided parameter is not respecting maximum value constraint"
-
 // NewRouter creates a new router for any number of api routers
 func NewRouter(routers ...Router) *mux.Router {
 	router := mux.NewRouter().StrictSlash(true)
diff --git a/samples/server/petstore/go-chi-server/go/helpers.go b/samples/server/petstore/go-chi-server/go/helpers.go
index 6f710348903..6f0e318d8e1 100644
--- a/samples/server/petstore/go-chi-server/go/helpers.go
+++ b/samples/server/petstore/go-chi-server/go/helpers.go
@@ -24,6 +24,10 @@ import (
 	"time"
 )
 
+const errMsgRequiredMissing = "required parameter is missing"
+const errMsgMinValueConstraint = "provided parameter is not respecting minimum value constraint"
+const errMsgMaxValueConstraint = "provided parameter is not respecting maximum value constraint"
+
 // Response return a ImplResponse struct filled
 func Response(code int, body interface{}) ImplResponse {
 	return ImplResponse {
diff --git a/samples/server/petstore/go-chi-server/go/routers.go b/samples/server/petstore/go-chi-server/go/routers.go
index 438895d1afe..392e3598b38 100644
--- a/samples/server/petstore/go-chi-server/go/routers.go
+++ b/samples/server/petstore/go-chi-server/go/routers.go
@@ -30,10 +30,6 @@ type Router interface {
 	Routes() Routes
 }
 
-const errMsgRequiredMissing = "required parameter is missing"
-const errMsgMinValueConstraint = "provided parameter is not respecting minimum value constraint"
-const errMsgMaxValueConstraint = "provided parameter is not respecting maximum value constraint"
-
 // NewRouter creates a new router for any number of api routers
 func NewRouter(routers ...Router) chi.Router {
 	router := chi.NewRouter()