diff --git a/modules/openapi-generator/src/main/resources/r/modelEnum.mustache b/modules/openapi-generator/src/main/resources/r/modelEnum.mustache
index c0dc60149aa1..98933a265c2d 100644
--- a/modules/openapi-generator/src/main/resources/r/modelEnum.mustache
+++ b/modules/openapi-generator/src/main/resources/r/modelEnum.mustache
@@ -30,9 +30,6 @@
           stop("Use one of the valid values: ",
             paste0(enumvec, collapse = ", "))
         }
-        warning("Initializing {{{classname}}} with DUMMY_ENUM. Use one of the valid values: ",
-          paste0(enumvec, collapse = ", "),
-          ". If you did not manually initialize {{{classname}}}, this may already be overwritten by an enum loaded from a JSON config.")
       }
       private$value <- val
     },
diff --git a/samples/client/echo_api/r/R/string_enum_ref.R b/samples/client/echo_api/r/R/string_enum_ref.R
index ee9afe6cf4a1..1cd22b860337 100644
--- a/samples/client/echo_api/r/R/string_enum_ref.R
+++ b/samples/client/echo_api/r/R/string_enum_ref.R
@@ -29,9 +29,6 @@ StringEnumRef <- R6::R6Class(
           stop("Use one of the valid values: ",
             paste0(enumvec, collapse = ", "))
         }
-        warning("Initializing StringEnumRef with DUMMY_ENUM. Use one of the valid values: ",
-          paste0(enumvec, collapse = ", "),
-          ". If you did not manually initialize StringEnumRef, this may already be overwritten by an enum loaded from a JSON config.")
       }
       private$value <- val
     },