diff --git a/modules/activitypub/client_test.go b/modules/activitypub/client_test.go
index b5f978c4dd..0ab512c5ba 100644
--- a/modules/activitypub/client_test.go
+++ b/modules/activitypub/client_test.go
@@ -35,7 +35,7 @@ func TestActivityPubSignedPost(t *testing.T) {
 		body, err := io.ReadAll(r.Body)
 		assert.NoError(t, err)
 		assert.Equal(t, expected, string(body))
-		fmt.Fprintf(w, expected)
+		fmt.Fprint(w, expected)
 	}))
 	defer srv.Close()
 
diff --git a/tests/integration/api_packages_nuget_test.go b/tests/integration/api_packages_nuget_test.go
index 72329b6691..cc4ff180d0 100644
--- a/tests/integration/api_packages_nuget_test.go
+++ b/tests/integration/api_packages_nuget_test.go
@@ -10,7 +10,6 @@ import (
 	"encoding/xml"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"net/http"
 	"net/http/httptest"
 	"testing"
@@ -105,7 +104,7 @@ func TestPackageNuGet(t *testing.T) {
 		return &buf
 	}
 
-	content, _ := ioutil.ReadAll(createPackage(packageName, packageVersion))
+	content, _ := io.ReadAll(createPackage(packageName, packageVersion))
 
 	url := fmt.Sprintf("/api/packages/%s/nuget", user.Name)
 
diff --git a/tests/integration/api_packages_vagrant_test.go b/tests/integration/api_packages_vagrant_test.go
index d3e4449f29..b4f04b0c89 100644
--- a/tests/integration/api_packages_vagrant_test.go
+++ b/tests/integration/api_packages_vagrant_test.go
@@ -87,7 +87,7 @@ func TestPackageVagrant(t *testing.T) {
 
 		req = NewRequest(t, "HEAD", boxURL)
 		resp := MakeRequest(t, req, http.StatusOK)
-		assert.True(t, strings.HasPrefix(resp.HeaderMap.Get("Content-Type"), "application/json"))
+		assert.True(t, strings.HasPrefix(resp.Header().Get("Content-Type"), "application/json"))
 
 		pvs, err := packages.GetVersionsByPackageType(db.DefaultContext, user.ID, packages.TypeVagrant)
 		assert.NoError(t, err)
diff --git a/tests/integration/api_pull_test.go b/tests/integration/api_pull_test.go
index 3d7256d30d..89d39179a6 100644
--- a/tests/integration/api_pull_test.go
+++ b/tests/integration/api_pull_test.go
@@ -5,7 +5,7 @@ package integration
 
 import (
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"testing"
 
@@ -41,7 +41,7 @@ func TestAPIViewPulls(t *testing.T) {
 	pull := pulls[0]
 	if assert.EqualValues(t, 5, pull.ID) {
 		resp = ctx.Session.MakeRequest(t, NewRequest(t, "GET", pull.DiffURL), http.StatusOK)
-		_, err := ioutil.ReadAll(resp.Body)
+		_, err := io.ReadAll(resp.Body)
 		assert.NoError(t, err)
 		// TODO: use diff to generate stats to test against
 
diff --git a/tests/integration/download_test.go b/tests/integration/download_test.go
index 9e03ec2882..efe5ac791c 100644
--- a/tests/integration/download_test.go
+++ b/tests/integration/download_test.go
@@ -34,9 +34,9 @@ func TestDownloadByIDForSVGUsesSecureHeaders(t *testing.T) {
 	req := NewRequest(t, "GET", "/user2/repo2/raw/blob/6395b68e1feebb1e4c657b4f9f6ba2676a283c0b")
 	resp := session.MakeRequest(t, req, http.StatusOK)
 
-	assert.Equal(t, "default-src 'none'; style-src 'unsafe-inline'; sandbox", resp.HeaderMap.Get("Content-Security-Policy"))
-	assert.Equal(t, "image/svg+xml", resp.HeaderMap.Get("Content-Type"))
-	assert.Equal(t, "nosniff", resp.HeaderMap.Get("X-Content-Type-Options"))
+	assert.Equal(t, "default-src 'none'; style-src 'unsafe-inline'; sandbox", resp.Header().Get("Content-Security-Policy"))
+	assert.Equal(t, "image/svg+xml", resp.Header().Get("Content-Type"))
+	assert.Equal(t, "nosniff", resp.Header().Get("X-Content-Type-Options"))
 }
 
 func TestDownloadByIDMedia(t *testing.T) {
@@ -60,9 +60,9 @@ func TestDownloadByIDMediaForSVGUsesSecureHeaders(t *testing.T) {
 	req := NewRequest(t, "GET", "/user2/repo2/media/blob/6395b68e1feebb1e4c657b4f9f6ba2676a283c0b")
 	resp := session.MakeRequest(t, req, http.StatusOK)
 
-	assert.Equal(t, "default-src 'none'; style-src 'unsafe-inline'; sandbox", resp.HeaderMap.Get("Content-Security-Policy"))
-	assert.Equal(t, "image/svg+xml", resp.HeaderMap.Get("Content-Type"))
-	assert.Equal(t, "nosniff", resp.HeaderMap.Get("X-Content-Type-Options"))
+	assert.Equal(t, "default-src 'none'; style-src 'unsafe-inline'; sandbox", resp.Header().Get("Content-Security-Policy"))
+	assert.Equal(t, "image/svg+xml", resp.Header().Get("Content-Type"))
+	assert.Equal(t, "nosniff", resp.Header().Get("X-Content-Type-Options"))
 }
 
 func TestDownloadRawTextFileWithoutMimeTypeMapping(t *testing.T) {
@@ -73,7 +73,7 @@ func TestDownloadRawTextFileWithoutMimeTypeMapping(t *testing.T) {
 	req := NewRequest(t, "GET", "/user2/repo2/raw/branch/master/test.xml")
 	resp := session.MakeRequest(t, req, http.StatusOK)
 
-	assert.Equal(t, "text/plain; charset=utf-8", resp.HeaderMap.Get("Content-Type"))
+	assert.Equal(t, "text/plain; charset=utf-8", resp.Header().Get("Content-Type"))
 }
 
 func TestDownloadRawTextFileWithMimeTypeMapping(t *testing.T) {
@@ -86,7 +86,7 @@ func TestDownloadRawTextFileWithMimeTypeMapping(t *testing.T) {
 	req := NewRequest(t, "GET", "/user2/repo2/raw/branch/master/test.xml")
 	resp := session.MakeRequest(t, req, http.StatusOK)
 
-	assert.Equal(t, "text/xml; charset=utf-8", resp.HeaderMap.Get("Content-Type"))
+	assert.Equal(t, "text/xml; charset=utf-8", resp.Header().Get("Content-Type"))
 
 	delete(setting.MimeTypeMap.Map, ".xml")
 	setting.MimeTypeMap.Enabled = false
diff --git a/tests/integration/nonascii_branches_test.go b/tests/integration/nonascii_branches_test.go
index d9e5b0fce3..8917a9b574 100644
--- a/tests/integration/nonascii_branches_test.go
+++ b/tests/integration/nonascii_branches_test.go
@@ -22,7 +22,7 @@ func testSrcRouteRedirect(t *testing.T, session *TestSession, user, repo, route,
 	resp := session.MakeRequest(t, req, http.StatusSeeOther)
 
 	// Check Location header
-	location := resp.HeaderMap.Get("Location")
+	location := resp.Header().Get("Location")
 	assert.Equal(t, path.Join(prefix, expectedLocation), location)
 
 	// Perform redirect
diff --git a/tests/integration/rename_branch_test.go b/tests/integration/rename_branch_test.go
index d8434c28bb..9a55193ccf 100644
--- a/tests/integration/rename_branch_test.go
+++ b/tests/integration/rename_branch_test.go
@@ -35,7 +35,7 @@ func TestRenameBranch(t *testing.T) {
 	// check old branch link
 	req = NewRequestWithValues(t, "GET", "/user2/repo1/src/branch/master/README.md", postData)
 	resp = session.MakeRequest(t, req, http.StatusSeeOther)
-	location := resp.HeaderMap.Get("Location")
+	location := resp.Header().Get("Location")
 	assert.Equal(t, "/user2/repo1/src/branch/main/README.md", location)
 
 	// check db