diff --git a/src/NSwag.CodeGeneration.CSharp/Templates/File.Footer.liquid b/src/NSwag.CodeGeneration.CSharp/Templates/File.Footer.liquid
index 43ec8e499..63efedac8 100644
--- a/src/NSwag.CodeGeneration.CSharp/Templates/File.Footer.liquid
+++ b/src/NSwag.CodeGeneration.CSharp/Templates/File.Footer.liquid
@@ -6,4 +6,5 @@
 #pragma warning restore 1591
 #pragma warning restore 8073
 #pragma warning restore 3016
-#pragma warning restore 8603
\ No newline at end of file
+#pragma warning restore 8603
+#pragma warning restore 8604
\ No newline at end of file
diff --git a/src/NSwag.CodeGeneration.CSharp/Templates/File.Header.liquid b/src/NSwag.CodeGeneration.CSharp/Templates/File.Header.liquid
index 5a988ae2f..4d747b8a7 100644
--- a/src/NSwag.CodeGeneration.CSharp/Templates/File.Header.liquid
+++ b/src/NSwag.CodeGeneration.CSharp/Templates/File.Header.liquid
@@ -6,4 +6,5 @@
 #pragma warning disable 1591 // Disable "CS1591 Missing XML comment for publicly visible type or member ..."
 #pragma warning disable 8073 // Disable "CS8073 The result of the expression is always 'false' since a value of type 'T' is never equal to 'null' of type 'T?'"
 #pragma warning disable 3016 // Disable "CS3016 Arrays as attribute arguments is not CLS-compliant"
-#pragma warning disable 8603 // Disable "CS8603 Possible null reference return"
\ No newline at end of file
+#pragma warning disable 8603 // Disable "CS8603 Possible null reference return"
+#pragma warning disable 8604 // Disable "CS8604 Possible null reference argument for parameter"
\ No newline at end of file