diff --git a/src/transformers/modeling_rope_utils.py b/src/transformers/modeling_rope_utils.py
index de27e5f8bd20..542c81a4eaed 100644
--- a/src/transformers/modeling_rope_utils.py
+++ b/src/transformers/modeling_rope_utils.py
@@ -13,6 +13,7 @@
 # limitations under the License.
 
 import math
+import warnings
 from functools import wraps
 from typing import TYPE_CHECKING, Optional, TypedDict
 
@@ -656,7 +657,7 @@ def standardize_rope_params(self):
         # Move `rope_theta` and `partial_rotary_factor` to the params dict, if not there yet
         rope_theta = getattr(self, "rope_theta", None)
         partial_rotary_factor = getattr(self, "partial_rotary_factor", None)
-        rope_parameters = self.rope_parameters
+        rope_parameters = self.rope_parameters or {}
 
         # Case 1: RoPE param keys do not intersect with possible `layer_types` -> one global dict
         if getattr(self, "layer_types", None) is None or not set(rope_parameters.keys()).issubset(self.layer_types):
@@ -913,3 +914,20 @@ def _check_received_keys(
             unused_keys = received_keys - required_keys
         if unused_keys:
             logger.warning(f"Unrecognized keys in `rope_parameters` for 'rope_type'='{rope_type}': {unused_keys}")
+
+
+def rope_config_validation(config: RotaryEmbeddingConfigMixin, ignore_keys: Optional[set] = None):
+    """
+    This is a deprecated function.
+    It has been kept for backward compatibility with custom code models.
+    """
+    warnings.warn(
+        "`rope_config_validation` is deprecated and has been removed. "
+        "Its functionality has been moved to RotaryEmbeddingConfigMixin.validate_rope method. "
+        "PreTrainedConfig inherits this class, so please call self.validate_rope() instead. "
+        "Also, make sure to use the new rope_parameters syntax. "
+        "You can call self.standardize_rope_params() in the meantime.",
+        FutureWarning,
+    )
+    config.standardize_rope_params()
+    config.validate_rope(ignore_keys=ignore_keys)