diff --git a/resolver/helpers.go b/resolver/helpers.go
index adb9b17..52de4ab 100644
--- a/resolver/helpers.go
+++ b/resolver/helpers.go
@@ -196,89 +196,6 @@ func (r *Resolver) fetchActivityPubObjectDirect(objectURL string) (string, error
 	return formatter.Format(data)
 }
 
-// fetchWithSignature fetches ActivityPub content using HTTP Signatures
-func (r *Resolver) fetchWithSignature(objectURL string) (string, error) {
-	fmt.Printf("Fetching with HTTP signatures from: %s\n", objectURL)
-
-	// First, we need to extract the actor URL from the object URL
-	actorURL, err := r.extractActorURLFromObjectURL(objectURL)
-	if err != nil {
-		return "", fmt.Errorf("error extracting actor URL: %v", err)
-	}
-
-	// Then, we need to fetch the actor data to get the public key
-	actorData, err := r.fetchActorData(actorURL)
-	if err != nil {
-		return "", fmt.Errorf("error fetching actor data: %v", err)
-	}
-
-	// Extract the public key ID
-	keyID, _, err := r.extractPublicKey(actorData)
-	if err != nil {
-		return "", fmt.Errorf("error extracting public key: %v", err)
-	}
-
-	// Create a new private key for signing (in a real app, we would use a persistent key)
-	privateKey, err := generateRSAKey()
-	if err != nil {
-		return "", fmt.Errorf("error generating RSA key: %v", err)
-	}
-
-	// Now, sign and send the request
-	req, err := http.NewRequest("GET", objectURL, nil)
-	if err != nil {
-		return "", fmt.Errorf("error creating signed request: %v", err)
-	}
-
-	// Set headers
-	req.Header.Set("Accept", "application/activity+json, application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\", application/json")
-	req.Header.Set("User-Agent", UserAgent)
-	req.Header.Set("Date", time.Now().UTC().Format(http.TimeFormat))
-
-	// Sign the request
-	if err := signRequest(req, keyID, privateKey); err != nil {
-		return "", fmt.Errorf("error signing request: %v", err)
-	}
-
-	// Send the request
-	fmt.Printf("Sending signed request with headers: %v\n", req.Header)
-	resp, err := r.client.Do(req)
-	if err != nil {
-		return "", fmt.Errorf("error sending signed request: %v", err)
-	}
-	defer resp.Body.Close()
-
-	fmt.Printf("Received response with status: %s\n", resp.Status)
-	if resp.StatusCode != http.StatusOK {
-		// Read body for error info
-		body, _ := io.ReadAll(resp.Body)
-		return "", fmt.Errorf("signed request failed with status: %s, body: %s", resp.Status, string(body))
-	}
-
-	// Read and parse the response
-	body, err := io.ReadAll(resp.Body)
-	if err != nil {
-		return "", fmt.Errorf("error reading response: %v", err)
-	}
-
-	// Debug output
-	fmt.Printf("Response content type: %s\n", resp.Header.Get("Content-Type"))
-
-	// Check if the response is empty
-	if len(body) == 0 {
-		return "", fmt.Errorf("received empty response body")
-	}
-
-	// Try to decode the JSON response
-	var data map[string]interface{}
-	if err := json.Unmarshal(body, &data); err != nil {
-		return "", fmt.Errorf("error decoding response: %v", err)
-	}
-
-	// Format the result
-	return formatter.Format(data)
-}
-
 // extractActorURLFromObjectURL extracts the actor URL from an object URL
 func (r *Resolver) extractActorURLFromObjectURL(objectURL string) (string, error) {
 	// This is a simplified approach - in a real app, we would parse the object URL properly
diff --git a/resolver/resolver.go b/resolver/resolver.go
index 005b691..65d78f7 100644
--- a/resolver/resolver.go
+++ b/resolver/resolver.go
@@ -6,7 +6,6 @@ import (
 	"io"
 	"net/http"
 	"net/url"
-	"regexp"
 	"strings"
 	"time"
 )
@@ -293,12 +292,3 @@ func (r *Resolver) fetchActivityPubObject(objectURL string) (string, error) {
 	// Use our signature-first approach by default
 	return r.fetchActivityPubObjectWithSignature(objectURL)
 }
-
-// isBareDomain returns true if input is a domain or domain/ (no scheme, no @, no path beyond optional trailing slash, allows port)
-var bareDomainRe = regexp.MustCompile(`^[a-zA-Z0-9.-]+(:[0-9]+)?/?$`)
-func isBareDomain(input string) bool {
-	if strings.Contains(input, "@") || strings.Contains(input, "://") {
-		return false
-	}
-	return bareDomainRe.MatchString(input)
-}