diff --git a/go/http/server.go b/go/http/server.go
index 28a682e858..7196bd0f00 100644
--- a/go/http/server.go
+++ b/go/http/server.go
@@ -856,25 +856,6 @@ func (s *x402HTTPResourceServer) extractPaymentV2(adapter HTTPAdapter) (*types.P
 	return payload, nil
 }
 
-// extractPayment extracts payment from headers (legacy method, now calls extractPaymentV2)
-//
-//nolint:unused // Legacy method kept for API compatibility
-func (s *x402HTTPResourceServer) extractPayment(adapter HTTPAdapter) *x402.PaymentPayload {
-	payload, err := s.extractPaymentV2(adapter)
-	if err != nil || payload == nil {
-		return nil
-	}
-
-	// Convert V2 to generic PaymentPayload for compatibility
-	return &x402.PaymentPayload{
-		X402Version: payload.X402Version,
-		Payload:     payload.Payload,
-		Accepted:    x402.PaymentRequirements{}, // TODO: Convert
-		Resource:    nil,
-		Extensions:  payload.Extensions,
-	}
-}
-
 // decodeBase64Header decodes a base64 header to JSON bytes
 func decodeBase64Header(header string) ([]byte, error) {
 	return base64.StdEncoding.DecodeString(header)
@@ -933,20 +914,6 @@ func (s *x402HTTPResourceServer) createHTTPResponseV2(paymentRequired types.Paym
 	}, nil
 }
 
-// createHTTPResponse creates response instructions (legacy method)
-//
-//nolint:unused // Legacy method kept for API compatibility
-func (s *x402HTTPResourceServer) createHTTPResponse(paymentRequired x402.PaymentRequired, isWebBrowser bool, paywallConfig *PaywallConfig, customHTML string) (*HTTPResponseInstructions, error) {
-	// Convert to V2 and call V2 method
-	v2Required := types.PaymentRequired{
-		X402Version: 2,
-		Error:       paymentRequired.Error,
-		Resource:    nil, // TODO: convert
-		Extensions:  paymentRequired.Extensions,
-	}
-	return s.createHTTPResponseV2(v2Required, isWebBrowser, paywallConfig, customHTML, nil)
-}
-
 // createSettlementHeaders creates settlement response headers
 func (s *x402HTTPResourceServer) createSettlementHeaders(response *x402.SettleResponse) (map[string]string, error) {
 	encodedHeader, err := encodePaymentResponseHeader(*response)