diff --git a/packages/amino/package.json b/packages/amino/package.json
index fe5e9ed2..6622a74d 100644
--- a/packages/amino/package.json
+++ b/packages/amino/package.json
@@ -34,8 +34,7 @@
     "test-safari": "yarn pack-web && karma start --single-run --browsers Safari",
     "test": "yarn build-or-skip && yarn test-node",
     "coverage": "nyc --reporter=text --reporter=lcov yarn test --quiet",
-    "prebuild": "rm -rf ./build",
-    "build": "yarn prebuild && tsc",
+    "build": "rm -rf ./build && tsc",
     "build-or-skip": "[ -n \"$SKIP_BUILD\" ] || yarn build",
     "pack-web": "yarn build-or-skip && webpack --mode development --config webpack.web.config.js"
   },
diff --git a/packages/cli/package.json b/packages/cli/package.json
index 6972182b..1589736d 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -19,8 +19,7 @@
     "format-text": "prettier --write \"./*.md\"",
     "lint": "eslint --max-warnings 0 \"**/*.{js,ts}\"",
     "lint-fix": "eslint --max-warnings 0 \"**/*.{js,ts}\" --fix",
-    "prebuild": "rm -rf ./build",
-    "build": "yarn prebuild && tsc",
+    "build": "rm -rf ./build && tsc",
     "build-or-skip": "[ -n \"$SKIP_BUILD\" ] || yarn build",
     "start": "yarn build-or-skip && ./bin/cosmwasm-cli",
     "selftest": "yarn build-or-skip && ./bin/cosmwasm-cli --selftest",
diff --git a/packages/cosmwasm-launchpad/package.json b/packages/cosmwasm-launchpad/package.json
index 1b5a060c..1dfb3fe7 100644
--- a/packages/cosmwasm-launchpad/package.json
+++ b/packages/cosmwasm-launchpad/package.json
@@ -28,8 +28,7 @@
     "format-text": "prettier --write \"./*.md\"",
     "lint": "eslint --max-warnings 0 \"**/*.{js,ts}\"",
     "lint-fix": "eslint --max-warnings 0 \"**/*.{js,ts}\" --fix",
-    "prebuild": "rm -rf ./build",
-    "build": "yarn prebuild && tsc",
+    "build": "rm -rf ./build && tsc",
     "build-or-skip": "[ -n \"$SKIP_BUILD\" ] || yarn build",
     "test-node": "node jasmine-testrunner.js",
     "test-firefox": "yarn pack-web && karma start --single-run --browsers Firefox",
diff --git a/packages/cosmwasm-stargate/package.json b/packages/cosmwasm-stargate/package.json
index 7ab4334b..3d93a287 100644
--- a/packages/cosmwasm-stargate/package.json
+++ b/packages/cosmwasm-stargate/package.json
@@ -27,8 +27,7 @@
     "format-text": "prettier --write \"./*.md\"",
     "lint": "eslint --max-warnings 0 \"**/*.{js,ts}\"",
     "lint-fix": "eslint --max-warnings 0 \"**/*.{js,ts}\" --fix",
-    "prebuild": "rm -rf ./build",
-    "build": "yarn prebuild && tsc",
+    "build": "rm -rf ./build && tsc",
     "build-or-skip": "[ -n \"$SKIP_BUILD\" ] || yarn build",
     "test-node": "node jasmine-testrunner.js",
     "test-firefox": "yarn pack-web && karma start --single-run --browsers Firefox",
@@ -36,10 +35,8 @@
     "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",
-    "preget-proto": "rm -rf proto",
-    "get-proto": "yarn preget-proto && WASM_REF=v0.16.0-alpha2 COSMOS_SDK_REF=v0.42.4 ./scripts/get-proto.sh",
-    "define-proto": "./scripts/define-proto.sh && yarn postdefine-proto",
-    "postdefine-proto": "prettier --write \"src/codec/**/*.ts\""
+    "get-proto": "rm -rf proto && WASM_REF=v0.16.0-alpha2 COSMOS_SDK_REF=v0.42.4 ./scripts/get-proto.sh",
+    "define-proto": "./scripts/define-proto.sh && prettier --write \"src/codec/**/*.ts\""
   },
   "dependencies": {
     "@cosmjs/amino": "^0.25.2",
diff --git a/packages/cosmwasm/package.json b/packages/cosmwasm/package.json
index 90d667a5..f63c94b5 100644
--- a/packages/cosmwasm/package.json
+++ b/packages/cosmwasm/package.json
@@ -28,8 +28,7 @@
     "format-text": "prettier --write \"./*.md\"",
     "lint": "eslint --max-warnings 0 \"**/*.{js,ts}\"",
     "lint-fix": "eslint --max-warnings 0 \"**/*.{js,ts}\" --fix",
-    "prebuild": "rm -rf ./build",
-    "build": "yarn prebuild && tsc",
+    "build": "rm -rf ./build && tsc",
     "build-or-skip": "[ -n \"$SKIP_BUILD\" ] || yarn build"
   },
   "dependencies": {
diff --git a/packages/crypto/package.json b/packages/crypto/package.json
index f4cb2eaa..af14bae2 100644
--- a/packages/crypto/package.json
+++ b/packages/crypto/package.json
@@ -35,8 +35,7 @@
     "test-safari": "yarn pack-web && karma start --single-run --browsers Safari",
     "test": "yarn build-or-skip && yarn test-node",
     "coverage": "nyc --reporter=text --reporter=lcov yarn test --quiet",
-    "prebuild": "rm -rf ./build",
-    "build": "yarn prebuild && tsc",
+    "build": "rm -rf ./build && tsc",
     "build-or-skip": "[ -n \"$SKIP_BUILD\" ] || yarn build",
     "pack-web": "yarn build-or-skip && webpack --mode development --config webpack.web.config.js"
   },
diff --git a/packages/encoding/package.json b/packages/encoding/package.json
index c2ba730d..7927df81 100644
--- a/packages/encoding/package.json
+++ b/packages/encoding/package.json
@@ -34,8 +34,7 @@
     "test-safari": "yarn pack-web && karma start --single-run --browsers Safari",
     "test": "yarn build-or-skip && yarn test-node",
     "coverage": "nyc --reporter=text --reporter=lcov yarn test --quiet",
-    "prebuild": "rm -rf ./build",
-    "build": "yarn prebuild && tsc",
+    "build": "rm -rf ./build && tsc",
     "build-or-skip": "[ -n \"$SKIP_BUILD\" ] || yarn build",
     "pack-web": "yarn build-or-skip && webpack --mode development --config webpack.web.config.js"
   },
diff --git a/packages/faucet-client/package.json b/packages/faucet-client/package.json
index 253e2aa1..8aaccfb9 100644
--- a/packages/faucet-client/package.json
+++ b/packages/faucet-client/package.json
@@ -34,8 +34,7 @@
     "test-safari": "yarn pack-web && karma start --single-run --browsers Safari",
     "test": "yarn build-or-skip && yarn test-node",
     "coverage": "nyc --reporter=text --reporter=lcov yarn test --quiet",
-    "prebuild": "rm -rf ./build",
-    "build": "yarn prebuild && tsc",
+    "build": "rm -rf ./build && tsc",
     "build-or-skip": "[ -n \"$SKIP_BUILD\" ] || yarn build",
     "pack-web": "yarn build-or-skip && webpack --mode development --config webpack.web.config.js"
   },
diff --git a/packages/faucet/package.json b/packages/faucet/package.json
index 62a82737..0cc181f0 100644
--- a/packages/faucet/package.json
+++ b/packages/faucet/package.json
@@ -29,8 +29,7 @@
     "format-text": "prettier --write \"./*.md\"",
     "lint": "eslint --max-warnings 0 \"**/*.{js,ts}\"",
     "lint-fix": "eslint --max-warnings 0 \"**/*.{js,ts}\" --fix",
-    "prebuild": "rm -rf ./build",
-    "build": "yarn prebuild && tsc",
+    "build": "rm -rf ./build && tsc",
     "build-or-skip": "[ -n \"$SKIP_BUILD\" ] || yarn build",
     "test-node": "node jasmine-testrunner.js",
     "test": "yarn build-or-skip && yarn test-node",
diff --git a/packages/json-rpc/package.json b/packages/json-rpc/package.json
index 4d949fa5..1e838e9c 100644
--- a/packages/json-rpc/package.json
+++ b/packages/json-rpc/package.json
@@ -36,8 +36,7 @@
     "test-safari": "yarn pack-web && karma start --single-run --browsers Safari",
     "test": "yarn build-or-skip && yarn test-node",
     "coverage": "nyc --reporter=text --reporter=lcov yarn test --quiet",
-    "prebuild": "rm -rf ./build",
-    "build": "yarn prebuild && tsc && tsc -p tsconfig.workers.json",
+    "build": "rm -rf ./build && tsc && tsc -p tsconfig.workers.json",
     "build-or-skip": "[ -n \"$SKIP_BUILD\" ] || yarn build",
     "pack-web": "yarn build-or-skip && webpack --mode development --config webpack.web.config.js"
   },
diff --git a/packages/launchpad/package.json b/packages/launchpad/package.json
index 3b704719..a9881e74 100644
--- a/packages/launchpad/package.json
+++ b/packages/launchpad/package.json
@@ -28,8 +28,7 @@
     "format-text": "prettier --write \"./*.md\"",
     "lint": "eslint --max-warnings 0 \"**/*.{js,ts}\"",
     "lint-fix": "eslint --max-warnings 0 \"**/*.{js,ts}\" --fix",
-    "prebuild": "rm -rf ./build",
-    "build": "yarn prebuild && tsc",
+    "build": "rm -rf ./build && tsc",
     "build-or-skip": "[ -n \"$SKIP_BUILD\" ] || yarn build",
     "test-node": "node jasmine-testrunner.js",
     "test-firefox": "yarn pack-web && karma start --single-run --browsers Firefox",
diff --git a/packages/ledger-amino/package.json b/packages/ledger-amino/package.json
index ac96b4bc..7c2b5191 100644
--- a/packages/ledger-amino/package.json
+++ b/packages/ledger-amino/package.json
@@ -27,8 +27,7 @@
     "format-text": "prettier --write \"./*.md\"",
     "lint": "eslint --max-warnings 0 \"**/*.{js,ts}\"",
     "lint-fix": "eslint --max-warnings 0 \"**/*.{js,ts}\" --fix",
-    "prebuild": "rm -rf ./build",
-    "build": "yarn prebuild && tsc",
+    "build": "rm -rf ./build && tsc",
     "build-or-skip": "[ -n \"$SKIP_BUILD\" ] || yarn build",
     "test-node": "node jasmine-testrunner.js",
     "test": "yarn build-or-skip && yarn test-node",
diff --git a/packages/math/package.json b/packages/math/package.json
index 89575ac1..23304a4a 100644
--- a/packages/math/package.json
+++ b/packages/math/package.json
@@ -34,8 +34,7 @@
     "test-safari": "yarn pack-web && karma start --single-run --browsers Safari",
     "test": "yarn build-or-skip && yarn test-node",
     "coverage": "nyc --reporter=text --reporter=lcov yarn test --quiet",
-    "prebuild": "rm -rf ./build",
-    "build": "yarn prebuild && tsc",
+    "build": "rm -rf ./build && tsc",
     "build-or-skip": "[ -n \"$SKIP_BUILD\" ] || yarn build",
     "pack-web": "yarn build-or-skip && webpack --mode development --config webpack.web.config.js"
   },
diff --git a/packages/proto-signing/package.json b/packages/proto-signing/package.json
index e39053a6..868b6672 100644
--- a/packages/proto-signing/package.json
+++ b/packages/proto-signing/package.json
@@ -28,8 +28,7 @@
     "format-text": "prettier --write \"./*.md\"",
     "lint": "eslint --max-warnings 0 \"**/*.{js,ts}\"",
     "lint-fix": "eslint --max-warnings 0 \"**/*.{js,ts}\" --fix",
-    "prebuild": "rm -rf ./build",
-    "build": "yarn prebuild && tsc",
+    "build": "rm -rf ./build && tsc",
     "build-or-skip": "[ -n \"$SKIP_BUILD\" ] || yarn build",
     "test-node": "node jasmine-testrunner.js",
     "test-firefox": "yarn pack-web && karma start --single-run --browsers Firefox",
@@ -37,10 +36,8 @@
     "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",
-    "preget-proto": "rm -rf proto",
-    "get-proto": "yarn preget-proto && COSMOS_SDK_REF=v0.42.0 ./scripts/get-proto.sh",
-    "define-proto": "./scripts/define-proto.sh && yarn postdefine-proto",
-    "postdefine-proto": "prettier --write \"src/codec/**/*.ts\""
+    "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\""
   },
   "dependencies": {
     "@cosmjs/amino": "^0.25.2",
diff --git a/packages/socket/package.json b/packages/socket/package.json
index 7cd4a11d..0ac48244 100644
--- a/packages/socket/package.json
+++ b/packages/socket/package.json
@@ -36,8 +36,7 @@
     "test-safari": "yarn pack-web && karma start --single-run --browsers Safari",
     "test": "yarn build-or-skip && yarn test-node",
     "coverage": "nyc --reporter=text --reporter=lcov yarn test --quiet",
-    "prebuild": "rm -rf ./build",
-    "build": "yarn prebuild && tsc",
+    "build": "rm -rf ./build && tsc",
     "build-or-skip": "[ -n \"$SKIP_BUILD\" ] || yarn build",
     "pack-web": "yarn build-or-skip && webpack --mode development --config webpack.web.config.js"
   },
diff --git a/packages/stargate/package.json b/packages/stargate/package.json
index a551f396..9213031d 100644
--- a/packages/stargate/package.json
+++ b/packages/stargate/package.json
@@ -27,8 +27,7 @@
     "format-text": "prettier --write \"./*.md\"",
     "lint": "eslint --max-warnings 0 \"**/*.{js,ts}\"",
     "lint-fix": "eslint --max-warnings 0 \"**/*.{js,ts}\" --fix",
-    "prebuild": "rm -rf ./build",
-    "build": "yarn prebuild && tsc",
+    "build": "rm -rf ./build && tsc",
     "build-or-skip": "[ -n \"$SKIP_BUILD\" ] || yarn build",
     "test-node": "node jasmine-testrunner.js",
     "test-firefox": "yarn pack-web && karma start --single-run --browsers Firefox",
@@ -36,10 +35,8 @@
     "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",
-    "preget-proto": "rm -rf proto",
-    "get-proto": "yarn preget-proto && COSMOS_SDK_REF=v0.42.0 ./scripts/get-proto.sh",
-    "define-proto": "./scripts/define-proto.sh && yarn postdefine-proto",
-    "postdefine-proto": "prettier --write \"src/codec/**/*.ts\""
+    "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\""
   },
   "dependencies": {
     "@confio/ics23": "^0.6.3",
diff --git a/packages/stream/package.json b/packages/stream/package.json
index 79a614a1..757ebe02 100644
--- a/packages/stream/package.json
+++ b/packages/stream/package.json
@@ -36,8 +36,7 @@
     "test-safari": "yarn pack-web && karma start --single-run --browsers Safari",
     "test": "yarn build-or-skip && yarn test-node",
     "coverage": "nyc --reporter=text --reporter=lcov yarn test --quiet",
-    "prebuild": "rm -rf ./build",
-    "build": "yarn prebuild && tsc",
+    "build": "rm -rf ./build && tsc",
     "build-or-skip": "[ -n \"$SKIP_BUILD\" ] || yarn build",
     "pack-web": "yarn build-or-skip && webpack --mode development --config webpack.web.config.js"
   },
diff --git a/packages/tendermint-rpc/package.json b/packages/tendermint-rpc/package.json
index 2e99d5c5..15d2c4be 100644
--- a/packages/tendermint-rpc/package.json
+++ b/packages/tendermint-rpc/package.json
@@ -36,8 +36,7 @@
     "test-safari": "yarn pack-web && karma start --single-run --browsers Safari",
     "test": "yarn build-or-skip && yarn test-node",
     "coverage": "nyc --reporter=text --reporter=lcov yarn test --quiet",
-    "prebuild": "rm -rf ./build",
-    "build": "yarn prebuild && tsc",
+    "build": "rm -rf ./build && tsc",
     "build-or-skip": "[ -n \"$SKIP_BUILD\" ] || yarn build",
     "pack-web": "yarn build-or-skip && webpack --mode development --config webpack.web.config.js"
   },
diff --git a/packages/utils/package.json b/packages/utils/package.json
index fde01eb4..45dc11bb 100644
--- a/packages/utils/package.json
+++ b/packages/utils/package.json
@@ -27,8 +27,7 @@
     "format-text": "prettier --write \"./*.md\"",
     "lint": "eslint --max-warnings 0 \"**/*.{js,ts}\"",
     "lint-fix": "eslint --max-warnings 0 \"**/*.{js,ts}\" --fix",
-    "prebuild": "rm -rf ./build",
-    "build": "yarn prebuild && tsc",
+    "build": "rm -rf ./build && tsc",
     "build-or-skip": "[ -n \"$SKIP_BUILD\" ] || yarn build",
     "test-node": "node jasmine-testrunner.js",
     "test": "yarn build-or-skip && yarn test-node",