diff --git a/golang/cosmos/Makefile b/golang/cosmos/Makefile
index 02692a44cb3f..3b1aee787f3c 100644
--- a/golang/cosmos/Makefile
+++ b/golang/cosmos/Makefile
@@ -47,7 +47,7 @@ SHARED_BUILD_FLAGS := -tags "$(build_tags)" -gcflags '$(gcflags)' -ldflags '$(sh
 
 all: compile-chain
 
-compile-chain: compile-agd compile-daemon compile-tools
+compile-chain: compile-agd compile-daemon
 compile-go: compile-agd compile-libdaemon
 compile-node: node-compile-gyp
 
@@ -77,9 +77,6 @@ compile-libdaemon: go-mod-cache
 	go build -v $(MOD_READONLY) $(SHARED_BUILD_FLAGS) -buildmode=c-shared \
 		-o build/libagcosmosdaemon.so ./cmd/libdaemon/main.go
 
-compile-tools:
-	go build -o build/runtillmsg ./cmd/runtillmsg
-
 go-mod-cache: go.sum
 	@echo "--> Download go modules to local cache"
 	@go mod download
@@ -109,7 +106,7 @@ t:
 
 TM_URL           := file://$(shell go list -m -f '{{ .Dir }}' github.com/tendermint/tendermint)/proto/tendermint
 GOGO_PROTO_URL   := file://$(shell go list -m -f '{{ .Dir }}' github.com/gogo/protobuf)
-IBC_PROTO_URL    := file://$(shell go list -m -f '{{ .Dir }}' github.com/cosmos/ibc-go/v4)/proto/ibc/core
+IBC_PROTO_URL    := file://$(shell go list -m -f '{{ .Dir }}' github.com/cosmos/ibc-go/v3)/proto/ibc/core
 COSMOS_SDK_PROTO_URL := file://$(shell go list -m -f '{{ .Dir }}' github.com/cosmos/cosmos-sdk)/proto/cosmos
 
 GOGO_PROTO_TYPES  = third_party/proto/gogoproto
diff --git a/golang/cosmos/cmd/runtillmsg/main.go b/golang/cosmos/cmd/runtillmsg/main.go
deleted file mode 100644
index 2c99708b1db6..000000000000
--- a/golang/cosmos/cmd/runtillmsg/main.go
+++ /dev/null
@@ -1,60 +0,0 @@
-package main
-
-// Runs a subcommand until a given string is seen on a line in the stderr output,
-// then sends SIGINT the subprocess and propagates its exit status.
-
-import (
-	"bufio"
-	"log"
-	"os"
-	"os/exec"
-	"strings"
-	"syscall"
-)
-
-func main() {
-	if len(os.Args) < 3 {
-		log.Fatal("usage: runtillmsg msg cmd arg...")
-	}
-	msg, cmdName, args := os.Args[1], os.Args[2], os.Args[3:]
-
-	// launch the command and listen to its stderr
-	cmd := exec.Command(cmdName, args...)
-	stderr, err := cmd.StderrPipe()
-	if err != nil {
-		log.Fatal(err)
-	}
-	err = cmd.Start()
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	// copy lines of stderr, but interrupt the command if we see msg
-	scanner := bufio.NewScanner(stderr)
-	for scanner.Scan() {
-		line := scanner.Text()
-		if strings.Contains(line, msg) {
-			err = cmd.Process.Signal(syscall.SIGINT)
-			if err != nil {
-				log.Fatal(err)
-			}
-		}
-		os.Stderr.WriteString(line + "\n")
-	}
-	err = scanner.Err()
-	if err != nil {
-		log.Fatal(err)
-	}
-	stderr.Close()
-
-	// wait for the command to exit, and propagate its exit code
-	err = cmd.Wait()
-	if err != nil {
-		if exitErr, ok := err.(*exec.ExitError); ok {
-			os.Exit(exitErr.ExitCode())
-		}
-		log.Fatal(err)
-		os.Exit(2)
-	}
-	// if cmd.Wait returns nil, exit code was 0, so just end
-}
diff --git a/packages/cosmic-swingset/Makefile b/packages/cosmic-swingset/Makefile
index 8a14c784d4cf..dd652870173e 100644
--- a/packages/cosmic-swingset/Makefile
+++ b/packages/cosmic-swingset/Makefile
@@ -156,16 +156,11 @@ scenario2-run-chain: ../vm-config/decentral-devnet-config.json
 		OTEL_EXPORTER_PROMETHEUS_PORT=$(OTEL_EXPORTER_PROMETHEUS_PORT) \
 		$(AGC) --home=t1/n0 start --log_level=warn $(AGC_START_ARGS)
 
-tools:
-	cd ../../golang/cosmos && make compile-tools
-
 # Run a chain with an explicit halt.
 BLOCKS_TO_RUN=3
-scenario2-run-chain-to-halt: t1/decentral-economy-config.json tools
+scenario2-run-chain-to-halt: t1/decentral-economy-config.json
 	CHAIN_BOOTSTRAP_VAT_CONFIG="$$PWD/t1/decentral-economy-config.json" \
-		DEBUG=$(DEBUG) PATH="$$PWD/bin:$$PATH" \
-		../../golang/cosmos/build/runtillmsg "halt application" \
-		"$(SDK_ROOT)/bin/agd" --home=t1/n0 start --log_level=warn --halt-height=$$(($(INITIAL_HEIGHT) + $(BLOCKS_TO_RUN))); \
+		$(AGC) --home=t1/n0 start --log_level=warn --halt-height=$$(($(INITIAL_HEIGHT) + $(BLOCKS_TO_RUN))); \
 		test "$$?" -eq 98
 	echo ran to $(INITIAL_HEIGHT) + $(BLOCKS_TO_RUN)