diff --git a/CHANGELOG.md b/CHANGELOG.md
index 395250b731848f..e004d547d3d3a9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -69,6 +69,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
   * `test_percent_check` in favour of `limit_test_batches`
 - Deprecated `ModelCheckpoint`'s attributes `best` and `kth_best_model` ([#1799](https://github.com/PyTorchLightning/pytorch-lightning/pull/1799))
 - Dropped official support/testing for older PyTorch versions <1.3 ([#1917](https://github.com/PyTorchLightning/pytorch-lightning/pull/1917))
+- Deprecated Trainer `proc_rank` in favour of `global_rank` ([#2166](https://github.com/PyTorchLightning/pytorch-lightning/pull/2166), )
 
 ### Removed
 
diff --git a/pytorch_lightning/trainer/deprecated_api.py b/pytorch_lightning/trainer/deprecated_api.py
index 8719f80b9b2bc0..6cb160f1d26b2a 100644
--- a/pytorch_lightning/trainer/deprecated_api.py
+++ b/pytorch_lightning/trainer/deprecated_api.py
@@ -104,3 +104,17 @@ def overfit_pct(self, pct):
         rank_zero_warn("Attribute `train_percent_check` is now set by `overfit_batches` since v0.8.0"
                        " and this method will be removed in v0.10.0", DeprecationWarning)
         self.overfit_batches = pct
+
+    @property
+    def proc_rank(self) -> int:
+        """Back compatibility, will be removed in v0.10.0"""
+        rank_zero_warn("Attribute `proc_rank` is now set by `global_rank` since v0.8.0"
+                       " and this method will be removed in v0.10.0", DeprecationWarning)
+        return self.global_rank
+
+    @proc_rank.setter
+    def proc_rank(self, rank):
+        """Back compatibility, will be removed in v0.10.0"""
+        rank_zero_warn("Attribute `proc_rank` is now set by `global_rank` since v0.8.0"
+                       " and this method will be removed in v0.10.0", DeprecationWarning)
+        self.global_rank = rank