diff --git a/velox/docs/.mailmap b/velox/docs/.mailmap
deleted file mode 100644
index c9e967d6cd61..000000000000
--- a/velox/docs/.mailmap
+++ /dev/null
@@ -1,55 +0,0 @@
-Amit Dutta
-Andrii Rosa
-Andrii Rosa
-Ankita Victor
-Athmaja N
-Bikramjeet Vig
-Daniel Hunte
-Daniel Jonathan Hunte
-Deepak Majeti
-Deepashree Gandhi
-Huameng (Michael) Jiang
-Jacob Khaliqi
-Jacob Wujciak-Jens
-Jia Ke
-Jialiang Tan
-Jialiang Tan
-Jimmy Lu
-Kevin Wilfong
-Kevin Wilfong
-Krishna Pai
-Kunal Kataria
-Masha Basmanova
-Masha Basmanova
-Orri Erling
-PHILO-HE
-Pedro Eugenio Rocha Pedreira
-Pedro Pedreira
-Pranjal Shankhdhar
-Pramod Satya
-Pramod Satya
-Pratik Joseph Dabre
-Reetika Agrawal
-Sandino Flores
-Wei He
-Yoav Helfman
-Zac Wen
-Zhenyuan Zhao
-Aditi Pandit
-chenweiguo.vc
-Deepthy Davis
-duanmeng
-joey.ljy
-liangyongyuan
-lingbin
-lingbin
-Rui Mo
-Soumya Duriseti
-wjameswu
-wypb
-wypb
-xiaoxmeng
-Yan Ma
-yangshijie.2024
-yanngyoung
-Zhen Li
diff --git a/velox/docs/README.md b/velox/docs/README.md
index 558b2759e71a..b6ebba6be5c6 100644
--- a/velox/docs/README.md
+++ b/velox/docs/README.md
@@ -57,7 +57,7 @@ aren't always consistent. New contributors must add to this file.
To get the list of contributors in a specific month say June-2024, from the Velox root directory
execute the following commands:
```
-cp velox/docs/.mailmap .
+base64 -D -i velox/docs/mailmap_base64 -o ./.mailmap
git shortlog -se --since='June 1 2024' --until='June 30 2024'
rm .mailmap
```
diff --git a/velox/docs/mailmap_base64 b/velox/docs/mailmap_base64
new file mode 100644
index 000000000000..65c21c1e8365
--- /dev/null
+++ b/velox/docs/mailmap_base64
@@ -0,0 +1 @@
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