diff --git a/.github/workflows/sims.yaml b/.github/workflows/sims.yaml
index f1028a2be..1c729db1b 100644
--- a/.github/workflows/sims.yaml
+++ b/.github/workflows/sims.yaml
@@ -1,18 +1,18 @@
-name: Simulation Test
-on: [pull_request]
+# name: Simulation Test
+# on: [pull_request]
 
-jobs:
-  test-sim-nondeterminism-fast:
-    name: Test AppStateDeterminism
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout source code
-        uses: actions/checkout@v3
-      - name: Setup go
-        uses: actions/setup-go@v3
-        with:
-          go-version: '^1.19' # The Go version to download (if necessary) and use.
-      - run: make test-sim-nondeterminism-fast
+# jobs:
+#   test-sim-nondeterminism-fast:
+#     name: Test AppStateDeterminism
+#     runs-on: ubuntu-latest
+#     steps:
+#       - name: Checkout source code
+#         uses: actions/checkout@v3
+#       - name: Setup go
+#         uses: actions/setup-go@v3
+#         with:
+#           go-version: '^1.19' # The Go version to download (if necessary) and use.
+#       - run: make test-sim-nondeterminism-fast
   # test-sim-import-export:
   #   name: Test AppImportExport
   #   runs-on: ubuntu-latest
diff --git a/Makefile b/Makefile
index 2890af169..53b07aa32 100644
--- a/Makefile
+++ b/Makefile
@@ -1,9 +1,9 @@
 #!/usr/bin/make -f
-# The below include contains the tools.
-include contrib/devtools/Makefile
+
+include scripts/build/contract.mk
 include scripts/build/protobuf.mk
 include scripts/build/testing.mk
 include scripts/build/linting.mk
-include scripts/build/contract.mk
+
 
 
diff --git a/contrib/devtools/Makefile b/contrib/devtools/Makefile
deleted file mode 100644
index f8a5de4ed..000000000
--- a/contrib/devtools/Makefile
+++ /dev/null
@@ -1,76 +0,0 @@
-###
-# Find OS and Go environment
-# GO contains the Go binary
-# FS contains the OS file separator
-###
-ifeq ($(OS),Windows_NT)
-  GO := $(shell where go.exe 2> NUL)
-  FS := "\\"
-else
-  GO := $(shell command -v go 2> /dev/null)
-  FS := "/"
-endif
-
-ifeq ($(GO),)
-  $(error could not find go. Is it in PATH? $(GO))
-endif
-
-###############################################################################
-###                                Functions                                ###
-###############################################################################
-
-go_get = $(if $(findstring Windows_NT,$(OS)),\
-IF NOT EXIST $(GITHUBDIR)$(FS)$(1)$(FS) ( mkdir $(GITHUBDIR)$(FS)$(1) ) else (cd .) &\
-IF NOT EXIST $(GITHUBDIR)$(FS)$(1)$(FS)$(2)$(FS) ( cd $(GITHUBDIR)$(FS)$(1) && git clone https://github.com/$(1)/$(2) ) else (cd .) &\
-,\
-mkdir -p $(GITHUBDIR)$(FS)$(1) &&\
-(test ! -d $(GITHUBDIR)$(FS)$(1)$(FS)$(2) && cd $(GITHUBDIR)$(FS)$(1) && git clone https://github.com/$(1)/$(2)) || true &&\
-)\
-cd $(GITHUBDIR)$(FS)$(1)$(FS)$(2) && git fetch origin && git checkout -q $(3)
-
-mkfile_path := $(abspath $(lastword $(MAKEFILE_LIST)))
-mkfile_dir := $(shell cd $(shell dirname $(mkfile_path)); pwd)
-
-
-###############################################################################
-###                                 Tools                                   ###
-###############################################################################
-
-PREFIX ?= /usr/local
-BIN ?= $(PREFIX)/bin
-UNAME_S ?= $(shell uname -s)
-UNAME_M ?= $(shell uname -m)
-
-GOPATH ?= $(shell $(GO) env GOPATH)
-GITHUBDIR := $(GOPATH)$(FS)src$(FS)github.com
-
-BUF_VERSION ?= 0.11.0
-
-TOOLS_DESTDIR  ?= $(GOPATH)/bin
-STATIK         = $(TOOLS_DESTDIR)/statik
-RUNSIM         = $(TOOLS_DESTDIR)/runsim
-
-tools: tools-stamp
-tools-stamp: statik runsim
-	# Create dummy file to satisfy dependency and avoid
-	# rebuilding when this Makefile target is hit twice
-	# in a row.
-	touch $@
-
-# Install the runsim binary
-statik: $(STATIK)
-$(STATIK):
-	@echo "Installing statik..."
-	@go install github.com/rakyll/statik@v0.1.6
-
-# Install the runsim binary
-runsim: $(RUNSIM)
-$(RUNSIM):
-	@echo "Installing runsim..."
-	@go install github.com/cosmos/tools/cmd/runsim@v1.0.0
-
-tools-clean:
-	rm -f $(STATIK) $(GOLANGCI_LINT) $(RUNSIM)
-	rm -f tools-stamp
-
-.PHONY: tools-clean statik runsim
\ No newline at end of file
diff --git a/contrib/devtools/install-golangci-lint.sh b/contrib/devtools/install-golangci-lint.sh
deleted file mode 100644
index 6b2676c65..000000000
--- a/contrib/devtools/install-golangci-lint.sh
+++ /dev/null
@@ -1,33 +0,0 @@
-#!/bin/bash
-
-set -euo pipefail
-
-installer="$(mktemp)"
-trap "rm -f ${installer}" EXIT
-
-GOBIN="${1}"
-CURL="$(which curl)"
-HASHSUM="${2}"
-
-f_sha256() {
-    local l_file
-    l_file=$1
-    python -sBc "import hashlib;print(hashlib.sha256(open('$l_file','rb').read()).hexdigest())"
-}
-
-get_latest_release() {
-    "${CURL}" --silent "https://api.github.com/repos/$1/releases/latest" |
-        grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/'
-}
-
-VERSION="$(get_latest_release golangci/golangci-lint)"
-
-echo "Downloading golangci-lint ${VERSION} installer ..." >&2
-"${CURL}" -sfL "https://raw.githubusercontent.com/golangci/golangci-lint/${VERSION}/install.sh" >"${installer}"
-
-echo "Checking hashsum ..." >&2
-# [ "${HASHSUM}" = "$(f_sha256 ${installer})" ]
-chmod +x "${installer}"
-
-echo "Launching installer ..." >&2
-exec "${installer}" -d -b "${GOBIN}" "${VERSION}"
diff --git a/scripts/Makefile b/scripts/Makefile
deleted file mode 100644
index aed8b0a36..000000000
--- a/scripts/Makefile
+++ /dev/null
@@ -1,152 +0,0 @@
-all: get_tools
-
-
-########################################
-
-GOLINT = github.com/tendermint/lint/golint
-GOMETALINTER = gopkg.in/alecthomas/gometalinter.v2
-UNCONVERT = github.com/mdempsky/unconvert
-INEFFASSIGN = github.com/gordonklaus/ineffassign
-MISSPELL = github.com/client9/misspell/cmd/misspell
-ERRCHECK = github.com/kisielk/errcheck
-UNPARAM = mvdan.cc/unparam
-STATIK = github.com/rakyll/statik
-
-GOLINT_CHECK := $(shell command -v golint 2> /dev/null)
-GOMETALINTER_CHECK := $(shell command -v gometalinter.v2 2> /dev/null)
-UNCONVERT_CHECK := $(shell command -v unconvert 2> /dev/null)
-INEFFASSIGN_CHECK := $(shell command -v ineffassign 2> /dev/null)
-MISSPELL_CHECK := $(shell command -v misspell 2> /dev/null)
-ERRCHECK_CHECK := $(shell command -v errcheck 2> /dev/null)
-UNPARAM_CHECK := $(shell command -v unparam 2> /dev/null)
-STATIK_CHECK := $(shell command -v statik 2> /dev/null)
-
-
-check_tools:
-ifndef STATIK_CHECK
-	@echo "No statik in path.  Install with 'make get_tools'."
-else
-	@echo "Found statik in path."
-endif
-
-check_dev_tools:
-	$(MAKE) check_tools
-ifndef GOLINT_CHECK
-	@echo "No golint in path.  Install with 'make get_dev_tools'."
-else
-	@echo "Found golint in path."
-endif
-ifndef GOMETALINTER_CHECK
-	@echo "No gometalinter in path.  Install with 'make get_dev_tools'."
-else
-	@echo "Found gometalinter in path."
-endif
-ifndef UNCONVERT_CHECK
-	@echo "No unconvert in path.  Install with 'make get_dev_tools'."
-else
-	@echo "Found unconvert in path."
-endif
-ifndef INEFFASSIGN_CHECK
-	@echo "No ineffassign in path.  Install with 'make get_dev_tools'."
-else
-	@echo "Found ineffassign in path."
-endif
-ifndef MISSPELL_CHECK
-	@echo "No misspell in path.  Install with 'make get_dev_tools'."
-else
-	@echo "Found misspell in path."
-endif
-ifndef ERRCHECK_CHECK
-	@echo "No errcheck in path.  Install with 'make get_dev_tools'."
-else
-	@echo "Found errcheck in path."
-endif
-ifndef UNPARAM_CHECK
-	@echo "No unparam in path.  Install with 'make get_dev_tools'."
-else
-	@echo "Found unparam in path."
-endif
-
-get_tools:
-ifdef STATIK_CHECK
-	@echo "Statik is already installed.  Run 'make update_tools' to update."
-else
-	@echo "Installing statik"
-	go version
-	go get -v $(STATIK)
-endif
-
-get_dev_tools:
-	$(MAKE) get_tools
-ifdef GOLINT_CHECK
-	@echo "Golint is already installed.  Run 'make update_tools' to update."
-else
-	@echo "Installing golint"
-	go get -v $(GOLINT)
-endif
-ifdef GOMETALINTER_CHECK
-	@echo "Gometalinter.v2 is already installed.  Run 'make update_tools' to update."
-else
-	@echo "Installing gometalinter.v2"
-	go get -v $(GOMETALINTER)
-endif
-ifdef UNCONVERT_CHECK
-	@echo "Unconvert is already installed.  Run 'make update_tools' to update."
-else
-	@echo "Installing unconvert"
-	go get -v $(UNCONVERT)
-endif
-ifdef INEFFASSIGN_CHECK
-	@echo "Ineffassign is already installed.  Run 'make update_tools' to update."
-else
-	@echo "Installing ineffassign"
-	go get -v $(INEFFASSIGN)
-endif
-ifdef MISSPELL_CHECK
-	@echo "misspell is already installed.  Run 'make update_tools' to update."
-else
-	@echo "Installing misspell"
-	go get -v $(MISSPELL)
-endif
-ifdef ERRCHECK_CHECK
-	@echo "errcheck is already installed.  Run 'make update_tools' to update."
-else
-	@echo "Installing errcheck"
-	go get -v $(ERRCHECK)
-endif
-ifdef UNPARAM_CHECK
-	@echo "unparam is already installed.  Run 'make update_tools' to update."
-else
-	@echo "Installing unparam"
-	go get -v $(UNPARAM)
-endif
-ifdef STATIK_CHECK
-	@echo "statik is already installed.  Run 'make update_tools' to update."
-else
-	@echo "Installing statik"
-	go get -v $(STATIK)
-endif
-
-update_dev_tools:
-	$(MAKE) update_tools
-	@echo "Updating tendermint/golint"
-	go get -u -v $(GOLINT)
-	@echo "Updating gometalinter.v2"
-	go get -u -v $(GOMETALINTER)
-	@echo "Updating unconvert"
-	go get -u -v $(UNCONVERT)
-	@echo "Updating ineffassign"
-	go get -u -v $(INEFFASSIGN)
-	@echo "Updating misspell"
-	go get -u -v $(MISSPELL)
-	@echo "Updating errcheck"
-	go get -u -v $(ERRCHECK)
-	@echo "Updating unparam"
-	go get -u -v $(UNPARAM)
-	@echo "Updating statik"
-	go get -u -v $(STATIK)
-
-# To avoid unintended conflicts with file names, always add to .PHONY
-# unless there is a reason not to.
-# https://www.gnu.org/software/make/manual/html_node/Phony-Targets.html
-.PHONY: check_tools get_tools update_tools check_dev_tools get_dev_tools update_dev_tools
\ No newline at end of file