diff --git a/integrationtests/self/go119_test.go b/integrationtests/self/go119_test.go
deleted file mode 100644
index c676693d..00000000
--- a/integrationtests/self/go119_test.go
+++ /dev/null
@@ -1,21 +0,0 @@
-//go:build go1.19 && !go1.20
-
-package self_test
-
-import (
-	"errors"
-	"net/http"
-	"time"
-)
-
-const go120 = false
-
-var errNotSupported = errors.New("not supported")
-
-func setReadDeadline(w http.ResponseWriter, deadline time.Time) error {
-	return errNotSupported
-}
-
-func setWriteDeadline(w http.ResponseWriter, deadline time.Time) error {
-	return errNotSupported
-}
diff --git a/integrationtests/self/go120_test.go b/integrationtests/self/go120_test.go
deleted file mode 100644
index 88eb4a7e..00000000
--- a/integrationtests/self/go120_test.go
+++ /dev/null
@@ -1,22 +0,0 @@
-//go:build go1.20
-
-package self_test
-
-import (
-	"net/http"
-	"time"
-)
-
-const go120 = true
-
-func setReadDeadline(w http.ResponseWriter, deadline time.Time) error {
-	rc := http.NewResponseController(w)
-
-	return rc.SetReadDeadline(deadline)
-}
-
-func setWriteDeadline(w http.ResponseWriter, deadline time.Time) error {
-	rc := http.NewResponseController(w)
-
-	return rc.SetWriteDeadline(deadline)
-}
diff --git a/integrationtests/self/http_test.go b/integrationtests/self/http_test.go
index ac16ffa5..a7a20ad2 100644
--- a/integrationtests/self/http_test.go
+++ b/integrationtests/self/http_test.go
@@ -432,55 +432,53 @@ var _ = Describe("HTTP tests", func() {
 		Eventually(done).Should(BeClosed())
 	})
 
-	if go120 {
-		It("supports read deadlines", func() {
-			mux.HandleFunc("/read-deadline", func(w http.ResponseWriter, r *http.Request) {
-				defer GinkgoRecover()
-				err := setReadDeadline(w, time.Now().Add(deadlineDelay))
-				Expect(err).ToNot(HaveOccurred())
+	It("supports read deadlines", func() {
+		mux.HandleFunc("/read-deadline", func(w http.ResponseWriter, r *http.Request) {
+			defer GinkgoRecover()
+			rc := http.NewResponseController(w)
+			Expect(rc.SetReadDeadline(time.Now().Add(deadlineDelay))).To(Succeed())
 
-				body, err := io.ReadAll(r.Body)
-				Expect(err).To(MatchError(os.ErrDeadlineExceeded))
-				Expect(body).To(ContainSubstring("aa"))
+			body, err := io.ReadAll(r.Body)
+			Expect(err).To(MatchError(os.ErrDeadlineExceeded))
+			Expect(body).To(ContainSubstring("aa"))
 
-				w.Write([]byte("ok"))
-			})
-
-			expectedEnd := time.Now().Add(deadlineDelay)
-			resp, err := client.Post(
-				fmt.Sprintf("https://localhost:%d/read-deadline", port),
-				"text/plain",
-				neverEnding('a'),
-			)
-			Expect(err).ToNot(HaveOccurred())
-			Expect(resp.StatusCode).To(Equal(200))
-
-			body, err := io.ReadAll(gbytes.TimeoutReader(resp.Body, 2*deadlineDelay))
-			Expect(err).ToNot(HaveOccurred())
-			Expect(time.Now().After(expectedEnd)).To(BeTrue())
-			Expect(string(body)).To(Equal("ok"))
+			w.Write([]byte("ok"))
 		})
 
-		It("supports write deadlines", func() {
-			mux.HandleFunc("/write-deadline", func(w http.ResponseWriter, r *http.Request) {
-				defer GinkgoRecover()
-				err := setWriteDeadline(w, time.Now().Add(deadlineDelay))
-				Expect(err).ToNot(HaveOccurred())
+		expectedEnd := time.Now().Add(deadlineDelay)
+		resp, err := client.Post(
+			fmt.Sprintf("https://localhost:%d/read-deadline", port),
+			"text/plain",
+			neverEnding('a'),
+		)
+		Expect(err).ToNot(HaveOccurred())
+		Expect(resp.StatusCode).To(Equal(200))
 
-				_, err = io.Copy(w, neverEnding('a'))
-				Expect(err).To(MatchError(os.ErrDeadlineExceeded))
-			})
+		body, err := io.ReadAll(gbytes.TimeoutReader(resp.Body, 2*deadlineDelay))
+		Expect(err).ToNot(HaveOccurred())
+		Expect(time.Now().After(expectedEnd)).To(BeTrue())
+		Expect(string(body)).To(Equal("ok"))
+	})
 
-			expectedEnd := time.Now().Add(deadlineDelay)
+	It("supports write deadlines", func() {
+		mux.HandleFunc("/write-deadline", func(w http.ResponseWriter, r *http.Request) {
+			defer GinkgoRecover()
+			rc := http.NewResponseController(w)
+			Expect(rc.SetWriteDeadline(time.Now().Add(deadlineDelay))).To(Succeed())
 
-			resp, err := client.Get(fmt.Sprintf("https://localhost:%d/write-deadline", port))
-			Expect(err).ToNot(HaveOccurred())
-			Expect(resp.StatusCode).To(Equal(200))
-
-			body, err := io.ReadAll(gbytes.TimeoutReader(resp.Body, 2*deadlineDelay))
-			Expect(err).ToNot(HaveOccurred())
-			Expect(time.Now().After(expectedEnd)).To(BeTrue())
-			Expect(string(body)).To(ContainSubstring("aa"))
+			_, err := io.Copy(w, neverEnding('a'))
+			Expect(err).To(MatchError(os.ErrDeadlineExceeded))
 		})
-	}
+
+		expectedEnd := time.Now().Add(deadlineDelay)
+
+		resp, err := client.Get(fmt.Sprintf("https://localhost:%d/write-deadline", port))
+		Expect(err).ToNot(HaveOccurred())
+		Expect(resp.StatusCode).To(Equal(200))
+
+		body, err := io.ReadAll(gbytes.TimeoutReader(resp.Body, 2*deadlineDelay))
+		Expect(err).ToNot(HaveOccurred())
+		Expect(time.Now().After(expectedEnd)).To(BeTrue())
+		Expect(string(body)).To(ContainSubstring("aa"))
+	})
 })