diff --git a/CHANGELOG.md b/CHANGELOG.md
index c3b5f366dd52..fe1b34d8da5b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -37,44 +37,6 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ## [Unreleased]
 
-## [v0.45.6](https://github.com/cosmos/cosmos-sdk/releases/tag/v0.45.6) - 2022-06-28
-
-### Improvements
-
-* (simapp) [#12314](https://github.com/cosmos/cosmos-sdk/pull/12314) Increase `DefaultGenTxGas` from `1000000` to `10000000`
-* [#12371](https://github.com/cosmos/cosmos-sdk/pull/12371) Update min required Golang version to 1.18.
-
-### Bug Fixes
-
-* [\#12317](https://github.com/cosmos/cosmos-sdk/pull/12317) Rename `edit-validator` command's `--moniker` flag to `--new-moniker`
-* (x/upgrade) [#12264](https://github.com/cosmos/cosmos-sdk/pull/12264) Fix `GetLastCompleteUpgrade` to properly return the latest upgrade.
-* (x/crisis) [#12208](https://github.com/cosmos/cosmos-sdk/pull/12208) Fix progress index of crisis invariant assertion logs.
-
-### Features
-
-* (query) [#12253](https://github.com/cosmos/cosmos-sdk/pull/12253) Add `GenericFilteredPaginate` to the `query` package to improve UX.
-
-## [v0.45.5](https://github.com/cosmos/cosmos-sdk/releases/tag/v0.45.5) - 2022-06-09
-
-### Improvements
-
-* (x/feegrant) [\#11813](https://github.com/cosmos/cosmos-sdk/pull/11813) Fix pagination total count in `AllowancesByGranter` query.
-* (errors) [\#12002](https://github.com/cosmos/cosmos-sdk/pull/12002) Removed 'redacted' error message from defaultErrEncoder.
-* (ante) [#12017](https://github.com/cosmos/cosmos-sdk/pull/12017) Index ante events for failed tx (backport #12013).
-* [#12153](https://github.com/cosmos/cosmos-sdk/pull/12153) Add a new `NewSimulationManagerFromAppModules` constructor, to simplify simulation wiring.
-
-### Bug Fixes
-
-* [#11796](https://github.com/cosmos/cosmos-sdk/pull/11796) Handle EOF error case in `readLineFromBuf`, which allows successful reading of passphrases from STDIN.
-* [\#11772](https://github.com/cosmos/cosmos-sdk/pull/11772) Limit types.Dec length to avoid overflow.
-* [\#10947](https://github.com/cosmos/cosmos-sdk/pull/10947) Add `AllowancesByGranter` query to the feegrant module
-* [\#9639](https://github.com/cosmos/cosmos-sdk/pull/9639) Check store keys length before accessing them by making sure that `key` is of length `m+1` (for `key[n:m]`)
-* [\#11983](https://github.com/cosmos/cosmos-sdk/pull/11983) (x/feegrant, x/authz) rename grants query commands to `grants-by-grantee`, `grants-by-granter` cmds.
-
-## Improvements
-
-* [\#11886](https://github.com/cosmos/cosmos-sdk/pull/11886) Improve error messages
-
 ## [v0.45.4](https://github.com/cosmos/cosmos-sdk/releases/tag/v0.45.4) - 2022-04-25
 
 ### Bug Fixes