diff --git a/Cargo.lock b/Cargo.lock
index 2756ed8e..61a282f2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -32,18 +32,6 @@ version = "1.0.75"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a4668cab20f66d8d020e1fbc0ebe47217433c1b6c8f2040faf858554e394ace6"
 
-[[package]]
-name = "arrayref"
-version = "0.3.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9d151e35f61089500b617991b791fc8bfd237ae50cd5950803758a179b41e67a"
-
-[[package]]
-name = "arrayvec"
-version = "0.7.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "96d30a06541fbafbc7f82ed10c06164cfbd2c401138f6addd8404629c4b16711"
-
 [[package]]
 name = "async-stream"
 version = "0.3.5"
@@ -203,28 +191,6 @@ version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b4682ae6287fcf752ecaabbfcc7b6f9b72aa33933dc23a554d853aea8eea8635"
 
-[[package]]
-name = "blake2"
-version = "0.10.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "46502ad458c9a52b69d4d4d32775c788b7a1b85e8bc9d482d92250fc0e3f8efe"
-dependencies = [
- "digest 0.10.7",
-]
-
-[[package]]
-name = "blake3"
-version = "1.5.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e9ec96fe9a81b5e365f9db71fe00edc4fe4ca2cc7dcb7861f0603012a7caa210"
-dependencies = [
- "arrayref",
- "arrayvec",
- "cc",
- "cfg-if",
- "constant_time_eq",
-]
-
 [[package]]
 name = "block-buffer"
 version = "0.9.0"
@@ -294,12 +260,6 @@ version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "28c122c3980598d243d63d9a704629a2d748d101f278052ff068be5a4423ab6f"
 
-[[package]]
-name = "constant_time_eq"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7144d30dcf0fafbce74250a3963025d8d52177934239851c917d29f1df280c2"
-
 [[package]]
 name = "core-foundation"
 version = "0.9.3"
@@ -320,7 +280,6 @@ checksum = "e496a50fda8aacccc86d7529e2c1e0892dbd0f898a6b5645b5561b89c3210efa"
 name = "cosmos-sdk-proto"
 version = "0.25.0-pre.1"
 dependencies = [
- "ics23",
  "informalsystems-pbjson",
  "prost",
  "serde",
@@ -943,25 +902,6 @@ dependencies = [
  "tracing",
 ]
 
-[[package]]
-name = "ics23"
-version = "0.12.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "73b17f1a5bd7d12ad30a21445cfa5f52fd7651cb3243ba866f9916b1ec112f12"
-dependencies = [
- "anyhow",
- "blake2",
- "blake3",
- "bytes",
- "hex",
- "informalsystems-pbjson",
- "prost",
- "ripemd",
- "serde",
- "sha2 0.10.8",
- "sha3",
-]
-
 [[package]]
 name = "idna"
 version = "0.4.0"
@@ -1050,15 +990,6 @@ dependencies = [
  "sha2 0.10.8",
 ]
 
-[[package]]
-name = "keccak"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ecc2af9a1119c51f12a14607e783cb977bde58bc069ff0c3da1095e635d70654"
-dependencies = [
- "cpufeatures",
-]
-
 [[package]]
 name = "libc"
 version = "0.2.155"
@@ -1740,16 +1671,6 @@ dependencies = [
  "digest 0.10.7",
 ]
 
-[[package]]
-name = "sha3"
-version = "0.10.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75872d278a8f37ef87fa0ddbda7802605cb18344497949862c0d4dcb291eba60"
-dependencies = [
- "digest 0.10.7",
- "keccak",
-]
-
 [[package]]
 name = "signature"
 version = "2.1.0"
diff --git a/cosmos-sdk-proto/Cargo.toml b/cosmos-sdk-proto/Cargo.toml
index aa4d2cdc..83b52502 100644
--- a/cosmos-sdk-proto/Cargo.toml
+++ b/cosmos-sdk-proto/Cargo.toml
@@ -16,7 +16,6 @@ edition = "2021"
 rust-version = "1.72"
 
 [dependencies]
-ics23 = { version = "0.12.0" }
 prost = { version = "0.13", default-features = false }
 tendermint-proto = { version = "0.39.1" }
 
diff --git a/cosmos-sdk-proto/src/lib.rs b/cosmos-sdk-proto/src/lib.rs
index 2a76aef4..e78b8d6f 100644
--- a/cosmos-sdk-proto/src/lib.rs
+++ b/cosmos-sdk-proto/src/lib.rs
@@ -160,11 +160,6 @@ pub mod cosmos {
         }
     }
 
-    /// ICS23 protobuf definitions.
-    pub mod ics23 {
-        pub use ::ics23 as v1;
-    }
-
     /// Messages and services handling minting
     pub mod mint {
         pub mod v1beta1 {