diff --git a/.pnp.cjs b/.pnp.cjs
index e4f3e2ee1f..4035e8efb8 100644
--- a/.pnp.cjs
+++ b/.pnp.cjs
@@ -205,10 +205,6 @@ const RAW_RUNTIME_STATE =
       "@babel/types",\
       "npm:7.23.0"\
     ],\
-    [\
-      "@confio/ics23",\
-      "npm:0.6.8"\
-    ],\
     [\
       "@cosmjs/amino",\
       "workspace:packages/amino"\
@@ -3231,17 +3227,6 @@ const RAW_RUNTIME_STATE =
         "linkType": "HARD"\
       }]\
     ]],\
-    ["@confio/ics23", [\
-      ["npm:0.6.8", {\
-        "packageLocation": "./.yarn/cache/@confio-ics23-npm-0.6.8-c87607eb2c-2f3f5032cd.zip/node_modules/@confio/ics23/",\
-        "packageDependencies": [\
-          ["@confio/ics23", "npm:0.6.8"],\
-          ["@noble/hashes", "npm:1.0.0"],\
-          ["protobufjs", "npm:6.11.4"]\
-        ],\
-        "linkType": "HARD"\
-      }]\
-    ]],\
     ["@cosmjs/amino", [\
       ["workspace:packages/amino", {\
         "packageLocation": "./packages/amino/",\
@@ -3812,7 +3797,6 @@ const RAW_RUNTIME_STATE =
         "packageLocation": "./packages/stargate/",\
         "packageDependencies": [\
           ["@cosmjs/stargate", "workspace:packages/stargate"],\
-          ["@confio/ics23", "npm:0.6.8"],\
           ["@cosmjs/amino", "workspace:packages/amino"],\
           ["@cosmjs/crypto", "workspace:packages/crypto"],\
           ["@cosmjs/encoding", "workspace:packages/encoding"],\
diff --git a/.yarn/cache/@confio-ics23-npm-0.6.8-c87607eb2c-2f3f5032cd.zip b/.yarn/cache/@confio-ics23-npm-0.6.8-c87607eb2c-2f3f5032cd.zip
deleted file mode 100644
index b5f9b7efc1..0000000000
--- a/.yarn/cache/@confio-ics23-npm-0.6.8-c87607eb2c-2f3f5032cd.zip
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:33c438adf8bb3b398fd5070160bcdbc5aba8a8a4682c59dc2fee3e14b6c2c605
-size 397215
diff --git a/packages/stargate/package.json b/packages/stargate/package.json
index 3e12dd935b..cf09c5ac35 100644
--- a/packages/stargate/package.json
+++ b/packages/stargate/package.json
@@ -38,7 +38,6 @@
     "pack-web": "yarn build-or-skip && webpack --mode development --config webpack.web.config.js"
   },
   "dependencies": {
-    "@confio/ics23": "^0.6.8",
     "@cosmjs/amino": "workspace:^",
     "@cosmjs/encoding": "workspace:^",
     "@cosmjs/math": "workspace:^",
diff --git a/yarn.lock b/yarn.lock
index 5a96925e6c..dd5705ef46 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -279,16 +279,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@confio/ics23@npm:^0.6.8":
-  version: 0.6.8
-  resolution: "@confio/ics23@npm:0.6.8"
-  dependencies:
-    "@noble/hashes": "npm:^1.0.0"
-    protobufjs: "npm:^6.8.8"
-  checksum: 10c0/2f3f5032cd6a34c9b2fbd64bbf7e1cdec75ca71f348a770f7b5474b5027b12202bfbcd404eca931efddb5901f769af035a87cb8bddbf3f23d7e5d93c9d3d7f6f
-  languageName: node
-  linkType: hard
-
 "@cosmjs/amino@workspace:^, @cosmjs/amino@workspace:packages/amino":
   version: 0.0.0-use.local
   resolution: "@cosmjs/amino@workspace:packages/amino"
@@ -838,7 +828,6 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@cosmjs/stargate@workspace:packages/stargate"
   dependencies:
-    "@confio/ics23": "npm:^0.6.8"
     "@cosmjs/amino": "workspace:^"
     "@cosmjs/crypto": "workspace:^"
     "@cosmjs/encoding": "workspace:^"
@@ -1249,7 +1238,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@noble/hashes@npm:^1, @noble/hashes@npm:^1.0.0":
+"@noble/hashes@npm:^1":
   version: 1.0.0
   resolution: "@noble/hashes@npm:1.0.0"
   checksum: 10c0/b6244bb44d2c8774437034c5e416fb72188bbb16e1298fc3223c1a71f918d78496df79523d10d6953a8a6e3009dde745d022bb9aca2e5a5b92eede01b2d9664e
@@ -6415,7 +6404,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"protobufjs@npm:^6.8.8, protobufjs@npm:~6.11.4":
+"protobufjs@npm:~6.11.4":
   version: 6.11.4
   resolution: "protobufjs@npm:6.11.4"
   dependencies: