diff --git a/math/CHANGELOG.md b/math/CHANGELOG.md
index e6d8dbc285..df0d947b0f 100644
--- a/math/CHANGELOG.md
+++ b/math/CHANGELOG.md
@@ -40,6 +40,10 @@ Ref: https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.j
 
 * [#15714](https://github.com/cosmos/cosmos-sdk/pull/15714) `FormatInt` returns an error on empty string
 
+### Improvements
+
+* [#15768](https://github.com/cosmos/cosmos-sdk/pull/15768) Removed the second call to the `init` method for the global variable `grand`.
+
 ## [math/v1.0.0](https://github.com/cosmos/cosmos-sdk/releases/tag/math/v1.0.0) - 2023-03-23
 
 ### Bug Fixes
diff --git a/math/unsafe/rand.go b/math/unsafe/rand.go
index e7fb3c44b3..66d48ae4dc 100644
--- a/math/unsafe/rand.go
+++ b/math/unsafe/rand.go
@@ -26,7 +26,6 @@ var grand *Rand
 
 func init() {
 	grand = NewRand()
-	grand.init()
 }
 
 func NewRand() *Rand {