diff --git a/Makefile b/Makefile
index c998fd25..3825005c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,15 +1,12 @@
 PKG := github.com/btcsuite/btcd
 
 LINT_PKG := github.com/golangci/golangci-lint/cmd/golangci-lint
-GOACC_PKG := github.com/ory/go-acc
 GOIMPORTS_PKG := golang.org/x/tools/cmd/goimports
 
 GO_BIN := ${GOPATH}/bin
 LINT_BIN := $(GO_BIN)/golangci-lint
-GOACC_BIN := $(GO_BIN)/go-acc
 
 LINT_COMMIT := v1.18.0
-GOACC_COMMIT := 80342ae2e0fcf265e99e76bcc4efd022c7c3811b
 
 DEPGET := cd /tmp && go install -v
 GOBUILD := go build -v
@@ -17,6 +14,7 @@ GOINSTALL := go install -v
 DEV_TAGS := rpctest
 GOTEST_DEV = go test -v -tags=$(DEV_TAGS)
 GOTEST := go test -v
+COVER_FLAGS = -coverprofile=coverage.txt -covermode=atomic -coverpkg=$(PKG)/...
 
 GOFILES_NOVENDOR = $(shell find . -type f -name '*.go' -not -path "./vendor/*")
 
@@ -53,10 +51,6 @@ $(LINT_BIN):
 	@$(call print, "Fetching linter")
 	$(DEPGET) $(LINT_PKG)@$(LINT_COMMIT)
 
-$(GOACC_BIN):
-	@$(call print, "Fetching go-acc")
-	$(DEPGET) $(GOACC_PKG)@$(GOACC_COMMIT)
-
 #? goimports: Install goimports
 goimports:
 	@$(call print, "Installing goimports.")
@@ -106,17 +100,17 @@ unit:
 	cd btcutil/psbt; $(GOTEST_DEV) ./... -test.timeout=20m
 
 #? unit-cover: Run unit coverage tests
-unit-cover: $(GOACC_BIN)
+unit-cover:
 	@$(call print, "Running unit coverage tests.")
-	$(GOACC_BIN) ./...
-	
+	$(GOTEST) $(COVER_FLAGS) ./...
 	# We need to remove the /v2 pathing from the module to have it work
-	# nicely with the CI tool we use to render live code coverage.
-	cd btcec; $(GOACC_BIN) ./...; sed -i.bak 's/v2\///g' coverage.txt
+	# nicely with the CI tool we use to render live code coverage.	
+	cd btcec; $(GOTEST) $(COVER_FLAGS) ./...; \
+		sed -i.bak 's/v2\///g' coverage.txt
 
-	cd btcutil; $(GOACC_BIN) ./...
+	cd btcutil; $(GOTEST) $(COVER_FLAGS) ./...
 
-	cd btcutil/psbt; $(GOACC_BIN) ./...
+	cd btcutil/psbt; $(GOTEST) $(COVER_FLAGS) ./...
 
 #? unit-race: Run unit race tests
 unit-race:
diff --git a/addrmgr/cov_report.sh b/addrmgr/cov_report.sh
old mode 100644
new mode 100755
index 307f05b7..e41c9282
--- a/addrmgr/cov_report.sh
+++ b/addrmgr/cov_report.sh
@@ -1,17 +1,9 @@
 #!/bin/sh
 
-# This script uses gocov to generate a test coverage report.
-# The gocov tool my be obtained with the following command:
-#   go get github.com/axw/gocov/gocov
-#
-# It will be installed to $GOPATH/bin, so ensure that location is in your $PATH.
+# This script uses the standard Go test coverage tools to generate a test coverage report.
 
-# Check for gocov.
-type gocov >/dev/null 2>&1
-if [ $? -ne 0 ]; then
-	echo >&2 "This script requires the gocov tool."
-	echo >&2 "You may obtain it with the following command:"
-	echo >&2 "go get github.com/axw/gocov/gocov"
-	exit 1
-fi
-gocov test | gocov report
+# Run tests with coverage enabled and generate coverage profile.
+go test -cover -coverprofile=coverage.txt ./...
+
+# Display function-level coverage statistics.
+go tool cover -func=coverage.txt
diff --git a/btcutil/base58/cov_report.sh b/btcutil/base58/cov_report.sh
index 307f05b7..e41c9282 100644
--- a/btcutil/base58/cov_report.sh
+++ b/btcutil/base58/cov_report.sh
@@ -1,17 +1,9 @@
 #!/bin/sh
 
-# This script uses gocov to generate a test coverage report.
-# The gocov tool my be obtained with the following command:
-#   go get github.com/axw/gocov/gocov
-#
-# It will be installed to $GOPATH/bin, so ensure that location is in your $PATH.
+# This script uses the standard Go test coverage tools to generate a test coverage report.
 
-# Check for gocov.
-type gocov >/dev/null 2>&1
-if [ $? -ne 0 ]; then
-	echo >&2 "This script requires the gocov tool."
-	echo >&2 "You may obtain it with the following command:"
-	echo >&2 "go get github.com/axw/gocov/gocov"
-	exit 1
-fi
-gocov test | gocov report
+# Run tests with coverage enabled and generate coverage profile.
+go test -cover -coverprofile=coverage.txt ./...
+
+# Display function-level coverage statistics.
+go tool cover -func=coverage.txt
diff --git a/btcutil/bloom/cov_report.sh b/btcutil/bloom/cov_report.sh
index 307f05b7..e41c9282 100644
--- a/btcutil/bloom/cov_report.sh
+++ b/btcutil/bloom/cov_report.sh
@@ -1,17 +1,9 @@
 #!/bin/sh
 
-# This script uses gocov to generate a test coverage report.
-# The gocov tool my be obtained with the following command:
-#   go get github.com/axw/gocov/gocov
-#
-# It will be installed to $GOPATH/bin, so ensure that location is in your $PATH.
+# This script uses the standard Go test coverage tools to generate a test coverage report.
 
-# Check for gocov.
-type gocov >/dev/null 2>&1
-if [ $? -ne 0 ]; then
-	echo >&2 "This script requires the gocov tool."
-	echo >&2 "You may obtain it with the following command:"
-	echo >&2 "go get github.com/axw/gocov/gocov"
-	exit 1
-fi
-gocov test | gocov report
+# Run tests with coverage enabled and generate coverage profile.
+go test -cover -coverprofile=coverage.txt ./...
+
+# Display function-level coverage statistics.
+go tool cover -func=coverage.txt
diff --git a/btcutil/coinset/cov_report.sh b/btcutil/coinset/cov_report.sh
index 307f05b7..01dd7457 100644
--- a/btcutil/coinset/cov_report.sh
+++ b/btcutil/coinset/cov_report.sh
@@ -1,17 +1,8 @@
 #!/bin/sh
 
-# This script uses gocov to generate a test coverage report.
-# The gocov tool my be obtained with the following command:
-#   go get github.com/axw/gocov/gocov
-#
-# It will be installed to $GOPATH/bin, so ensure that location is in your $PATH.
+# This script uses the standard Go test coverage tools to generate a test coverage report.
+# Run tests with coverage enabled and generate coverage profile.
+go test -cover -coverprofile=coverage.txt ./...
 
-# Check for gocov.
-type gocov >/dev/null 2>&1
-if [ $? -ne 0 ]; then
-	echo >&2 "This script requires the gocov tool."
-	echo >&2 "You may obtain it with the following command:"
-	echo >&2 "go get github.com/axw/gocov/gocov"
-	exit 1
-fi
-gocov test | gocov report
+# Display function-level coverage statistics.
+go tool cover -func=coverage.txt
diff --git a/btcutil/cov_report.sh b/btcutil/cov_report.sh
index 307f05b7..e41c9282 100644
--- a/btcutil/cov_report.sh
+++ b/btcutil/cov_report.sh
@@ -1,17 +1,9 @@
 #!/bin/sh
 
-# This script uses gocov to generate a test coverage report.
-# The gocov tool my be obtained with the following command:
-#   go get github.com/axw/gocov/gocov
-#
-# It will be installed to $GOPATH/bin, so ensure that location is in your $PATH.
+# This script uses the standard Go test coverage tools to generate a test coverage report.
 
-# Check for gocov.
-type gocov >/dev/null 2>&1
-if [ $? -ne 0 ]; then
-	echo >&2 "This script requires the gocov tool."
-	echo >&2 "You may obtain it with the following command:"
-	echo >&2 "go get github.com/axw/gocov/gocov"
-	exit 1
-fi
-gocov test | gocov report
+# Run tests with coverage enabled and generate coverage profile.
+go test -cover -coverprofile=coverage.txt ./...
+
+# Display function-level coverage statistics.
+go tool cover -func=coverage.txt
diff --git a/btcutil/hdkeychain/cov_report.sh b/btcutil/hdkeychain/cov_report.sh
index 307f05b7..e41c9282 100644
--- a/btcutil/hdkeychain/cov_report.sh
+++ b/btcutil/hdkeychain/cov_report.sh
@@ -1,17 +1,9 @@
 #!/bin/sh
 
-# This script uses gocov to generate a test coverage report.
-# The gocov tool my be obtained with the following command:
-#   go get github.com/axw/gocov/gocov
-#
-# It will be installed to $GOPATH/bin, so ensure that location is in your $PATH.
+# This script uses the standard Go test coverage tools to generate a test coverage report.
 
-# Check for gocov.
-type gocov >/dev/null 2>&1
-if [ $? -ne 0 ]; then
-	echo >&2 "This script requires the gocov tool."
-	echo >&2 "You may obtain it with the following command:"
-	echo >&2 "go get github.com/axw/gocov/gocov"
-	exit 1
-fi
-gocov test | gocov report
+# Run tests with coverage enabled and generate coverage profile.
+go test -cover -coverprofile=coverage.txt ./...
+
+# Display function-level coverage statistics.
+go tool cover -func=coverage.txt