diff --git a/packages/proto-signing/.gitignore b/packages/proto-signing/.gitignore
index 5d19789f..d983d1c5 100644
--- a/packages/proto-signing/.gitignore
+++ b/packages/proto-signing/.gitignore
@@ -1,7 +1,4 @@
 build/
 dist/
 docs/
-
-# protobuf code generation
-proto/
 tmp/
diff --git a/packages/proto-signing/package.json b/packages/proto-signing/package.json
index 30114a13..67a5db10 100644
--- a/packages/proto-signing/package.json
+++ b/packages/proto-signing/package.json
@@ -35,9 +35,7 @@
     "test-chrome": "yarn pack-web && karma start --single-run --browsers ChromeHeadless",
     "test": "yarn build-or-skip && yarn test-node",
     "coverage": "nyc --reporter=text --reporter=lcov yarn test --quiet",
-    "pack-web": "yarn build-or-skip && webpack --mode development --config webpack.web.config.js",
-    "get-proto": "rm -rf proto && COSMOS_SDK_REF=v0.42.0 ./scripts/get-proto.sh",
-    "define-proto": "./scripts/define-proto.sh && prettier --write \"src/codec/**/*.ts\""
+    "pack-web": "yarn build-or-skip && webpack --mode development --config webpack.web.config.js"
   },
   "dependencies": {
     "@cosmjs/amino": "workspace:packages/amino",
diff --git a/packages/proto-signing/scripts/define-proto.sh b/packages/proto-signing/scripts/define-proto.sh
deleted file mode 100755
index 3b5017f3..00000000
--- a/packages/proto-signing/scripts/define-proto.sh
+++ /dev/null
@@ -1,27 +0,0 @@
-#!/bin/bash
-set -o errexit -o nounset -o pipefail
-command -v shellcheck >/dev/null && shellcheck "$0"
-
-ROOT_PROTO_DIR="./proto/cosmos/cosmos-sdk"
-THIRD_PARTY_PROTO_DIR="$ROOT_PROTO_DIR/third_party/proto"
-COSMOS_PROTO_DIR="$ROOT_PROTO_DIR/proto"
-OUT_DIR="./src/codec/"
-
-mkdir -p "$OUT_DIR"
-
-protoc \
-  --plugin="$(yarn bin protoc-gen-ts_proto)" \
-  --ts_proto_out="$OUT_DIR" \
-  --proto_path="$COSMOS_PROTO_DIR" \
-  --proto_path="$THIRD_PARTY_PROTO_DIR" \
-  --ts_proto_opt="esModuleInterop=true,forceLong=long,useOptionals=true" \
-  "$THIRD_PARTY_PROTO_DIR/gogoproto/gogo.proto" \
-  "$COSMOS_PROTO_DIR/cosmos/base/v1beta1/coin.proto" \
-  "$COSMOS_PROTO_DIR/cosmos/bank/v1beta1/bank.proto" \
-  "$COSMOS_PROTO_DIR/cosmos/bank/v1beta1/tx.proto" \
-  "$COSMOS_PROTO_DIR/cosmos/crypto/multisig/v1beta1/multisig.proto" \
-  "$COSMOS_PROTO_DIR/cosmos/crypto/multisig/keys.proto" \
-  "$COSMOS_PROTO_DIR/cosmos/crypto/secp256k1/keys.proto" \
-  "$COSMOS_PROTO_DIR/cosmos/tx/v1beta1/tx.proto" \
-  "$COSMOS_PROTO_DIR/cosmos/tx/signing/v1beta1/signing.proto" \
-  "$THIRD_PARTY_PROTO_DIR/tendermint/crypto/keys.proto"
diff --git a/packages/proto-signing/scripts/get-proto.sh b/packages/proto-signing/scripts/get-proto.sh
deleted file mode 100755
index c938d933..00000000
--- a/packages/proto-signing/scripts/get-proto.sh
+++ /dev/null
@@ -1,19 +0,0 @@
-#!/bin/bash
-set -o errexit -o nounset -o pipefail
-command -v shellcheck >/dev/null && shellcheck "$0"
-
-PROTO_DIR="./proto"
-COSMOS_DIR="$PROTO_DIR/cosmos"
-COSMOS_SDK_DIR="$COSMOS_DIR/cosmos-sdk"
-ZIP_FILE="$COSMOS_DIR/tmp.zip"
-COSMOS_SDK_REF=${COSMOS_SDK_REF:-"master"}
-SUFFIX=${COSMOS_SDK_REF}
-
-[[ $SUFFIX =~ ^v[0-9]+\.[0-9]+\.[0-9]+(-.+)?$ ]] && SUFFIX=${SUFFIX#v}
-
-mkdir -p "$COSMOS_DIR"
-
-wget -qO "$ZIP_FILE" "https://github.com/cosmos/cosmos-sdk/archive/$COSMOS_SDK_REF.zip"
-unzip "$ZIP_FILE" "*.proto" -d "$COSMOS_DIR"
-mv "$COSMOS_SDK_DIR-$SUFFIX" "$COSMOS_SDK_DIR"
-rm "$ZIP_FILE"