diff --git a/internal/backend/remote-state/gcs/backend.go b/internal/backend/remote-state/gcs/backend.go
index b6523a65aa..727b52a8ec 100644
--- a/internal/backend/remote-state/gcs/backend.go
+++ b/internal/backend/remote-state/gcs/backend.go
@@ -9,6 +9,7 @@ import (
 	"encoding/base64"
 	"encoding/json"
 	"fmt"
+	"github.com/placeholderplaceholderplaceholder/opentf/version"
 	"os"
 	"strings"
 
@@ -207,7 +208,7 @@ func (b *Backend) configure(ctx context.Context) error {
 		opts = append(opts, credOptions...)
 	}
 
-	opts = append(opts, option.WithUserAgent(httpclient.UserAgentString()))
+	opts = append(opts, option.WithUserAgent(httpclient.TerraformUserAgent(version.Version)))
 
 	// Custom endpoint for storage API
 	if storageEndpoint, ok := data.GetOk("storage_custom_endpoint"); ok {
diff --git a/internal/backend/remote-state/gcs/backend_test.go b/internal/backend/remote-state/gcs/backend_test.go
index 75a9686e0d..483b5af3c2 100644
--- a/internal/backend/remote-state/gcs/backend_test.go
+++ b/internal/backend/remote-state/gcs/backend_test.go
@@ -7,6 +7,7 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
+	"github.com/placeholderplaceholderplaceholder/opentf/version"
 	"log"
 	"os"
 	"strings"
@@ -438,7 +439,7 @@ func testGetClientOptions(t *testing.T) ([]option.ClientOption, error) {
 	}
 	credOptions = append(credOptions, option.WithCredentialsJSON([]byte(contents)))
 	opts = append(opts, credOptions...)
-	opts = append(opts, option.WithUserAgent(httpclient.UserAgentString()))
+	opts = append(opts, option.WithUserAgent(httpclient.TerraformUserAgent(version.Version)))
 
 	return opts, nil
 }
diff --git a/internal/httpclient/client.go b/internal/httpclient/client.go
index 60a6551e14..0237caff32 100644
--- a/internal/httpclient/client.go
+++ b/internal/httpclient/client.go
@@ -4,6 +4,7 @@
 package httpclient
 
 import (
+	"github.com/placeholderplaceholderplaceholder/opentf/version"
 	"net/http"
 
 	cleanhttp "github.com/hashicorp/go-cleanhttp"
@@ -14,7 +15,7 @@ import (
 func New() *http.Client {
 	cli := cleanhttp.DefaultPooledClient()
 	cli.Transport = &userAgentRoundTripper{
-		userAgent: UserAgentString(),
+		userAgent: TerraformUserAgent(version.Version),
 		inner:     cli.Transport,
 	}
 	return cli
diff --git a/internal/httpclient/useragent.go b/internal/httpclient/useragent.go
index 604c10ee9f..dd811ddccb 100644
--- a/internal/httpclient/useragent.go
+++ b/internal/httpclient/useragent.go
@@ -9,29 +9,11 @@ import (
 	"net/http"
 	"os"
 	"strings"
-
-	"github.com/placeholderplaceholderplaceholder/opentf/version"
 )
 
-const userAgentFormat = "OpenTF/%s"
 const uaEnvVar = "TF_APPEND_USER_AGENT"
 const TerraformUA = "placeholderplaceholderplaceholder-OpenTF"
 
-// Deprecated: Use TerraformUserAgent(version) instead
-func UserAgentString() string {
-	ua := fmt.Sprintf(userAgentFormat, version.Version)
-
-	if add := os.Getenv(uaEnvVar); add != "" {
-		add = strings.TrimSpace(add)
-		if len(add) > 0 {
-			ua += " " + add
-			log.Printf("[DEBUG] Using modified User-Agent: %s", ua)
-		}
-	}
-
-	return ua
-}
-
 type userAgentRoundTripper struct {
 	inner     http.RoundTripper
 	userAgent string
diff --git a/internal/httpclient/useragent_test.go b/internal/httpclient/useragent_test.go
index 11ff64d413..ac0d5f9b7c 100644
--- a/internal/httpclient/useragent_test.go
+++ b/internal/httpclient/useragent_test.go
@@ -12,7 +12,7 @@ import (
 )
 
 func TestUserAgentString_env(t *testing.T) {
-	expectedBase := fmt.Sprintf(userAgentFormat, version.Version)
+	expectedBase := fmt.Sprintf("%s/%s (+https://www.opentf.org)", TerraformUA, version.Version)
 	if oldenv, isSet := os.LookupEnv(uaEnvVar); isSet {
 		defer os.Setenv(uaEnvVar, oldenv)
 	} else {
@@ -39,7 +39,7 @@ func TestUserAgentString_env(t *testing.T) {
 				os.Setenv(uaEnvVar, c.additional)
 			}
 
-			actual := UserAgentString()
+			actual := TerraformUserAgent(version.Version)
 
 			if c.expected != actual {
 				t.Fatalf("Expected User-Agent '%s' does not match '%s'", c.expected, actual)