diff --git a/packages/nextjs/src/common/utils/dropMiddlewareTunnelRequests.ts b/packages/nextjs/src/common/utils/dropMiddlewareTunnelRequests.ts
index c4442beaa132..7263efb2030b 100644
--- a/packages/nextjs/src/common/utils/dropMiddlewareTunnelRequests.ts
+++ b/packages/nextjs/src/common/utils/dropMiddlewareTunnelRequests.ts
@@ -1,6 +1,12 @@
-import { HTTP_TARGET } from '@sentry/conventions/attributes';
-import { getClient, GLOBAL_OBJ, SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN, type Span, type SpanAttributes } from '@sentry/core';
-import { isSentryRequestSpan } from '@sentry/opentelemetry';
+import { HTTP_TARGET, HTTP_URL, URL_FULL } from '@sentry/conventions/attributes';
+import {
+  getClient,
+  GLOBAL_OBJ,
+  isSentryRequestUrl,
+  SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN,
+  type Span,
+  type SpanAttributes,
+} from '@sentry/core';
 import { ATTR_NEXT_SPAN_TYPE } from '../nextSpanAttributes';
 import { isPathnameUnderSentryTunnelRoute } from './tunnelPathnameMatch';
 import { TRANSACTION_ATTR_SHOULD_DROP_TRANSACTION } from '../span-attributes-with-logic-attached';
@@ -36,7 +42,7 @@ export function dropMiddlewareTunnelRequests(span: Span, attrs: SpanAttributes |
 
   // Check if this is either a tunnel route request or a Sentry ingest request
   const isTunnel = isTunnelRouteSpan(attrs || {});
-  const isSentry = isSentryRequestSpan(span);
+  const isSentry = isSentryRequestSpan(attrs || {});
 
   if (isTunnel || isSentry) {
     // Mark the span to be dropped
@@ -44,6 +50,17 @@ export function dropMiddlewareTunnelRequests(span: Span, attrs: SpanAttributes |
   }
 }
 
+function isSentryRequestSpan(attrs: SpanAttributes): boolean {
+  // `URL_FULL` is the new attribute, but we still support the old one, `HTTP_URL`, for now.
+  // eslint-disable-next-line typescript/no-deprecated
+  const httpUrl = attrs[HTTP_URL] || attrs[URL_FULL];
+
+  if (!httpUrl) {
+    return false;
+  }
+
+  return isSentryRequestUrl(httpUrl.toString(), getClient());
+}
 /**
  * Checks if a span's HTTP target matches the tunnel route.
  */
diff --git a/packages/nextjs/test/utils/dropMiddlewareTunnelRequests.test.ts b/packages/nextjs/test/utils/dropMiddlewareTunnelRequests.test.ts
index 2d933373578d..1affd8a732df 100644
--- a/packages/nextjs/test/utils/dropMiddlewareTunnelRequests.test.ts
+++ b/packages/nextjs/test/utils/dropMiddlewareTunnelRequests.test.ts
@@ -15,10 +15,6 @@ vi.mock('@sentry/core', async requireActual => {
   };
 });
 
-vi.mock('@sentry/opentelemetry', () => ({
-  isSentryRequestSpan: () => false,
-}));
-
 function createMockSpan(): { setAttribute: ReturnType<typeof vi.fn>; attributes: Record<string, unknown> } {
   const attributes: Record<string, unknown> = {};
   return {
diff --git a/packages/opentelemetry/src/exports.ts b/packages/opentelemetry/src/exports.ts
index 7816f437351c..641f10bc4bef 100644
--- a/packages/opentelemetry/src/exports.ts
+++ b/packages/opentelemetry/src/exports.ts
@@ -16,8 +16,6 @@ export {
 // Re-export this for backwards compatibility (this used to be a different implementation)
 export { getDynamicSamplingContextFromSpan } from '@sentry/core';
 
-export { isSentryRequestSpan } from './utils/isSentryRequest';
-
 export { enhanceDscWithOpenTelemetryRootSpanName } from './utils/enhanceDscWithOpenTelemetryRootSpanName';
 
 export { getActiveSpan } from './utils/getActiveSpan';
diff --git a/packages/opentelemetry/src/utils/isSentryRequest.ts b/packages/opentelemetry/src/utils/isSentryRequest.ts
deleted file mode 100644
index 012c769b2f5b..000000000000
--- a/packages/opentelemetry/src/utils/isSentryRequest.ts
+++ /dev/null
@@ -1,27 +0,0 @@
-import { HTTP_URL, URL_FULL } from '@sentry/conventions/attributes';
-import { getClient, isSentryRequestUrl } from '@sentry/core';
-import type { AbstractSpan } from '../types';
-import { spanHasAttributes } from './spanTypes';
-
-/**
- *
- * @param otelSpan Checks whether a given OTEL Span is an http request to sentry.
- * @returns boolean
- */
-export function isSentryRequestSpan(span: AbstractSpan): boolean {
-  if (!spanHasAttributes(span)) {
-    return false;
-  }
-
-  const { attributes } = span;
-
-  // `URL_FULL` is the new attribute, but we still support the old one, `HTTP_URL`, for now.
-  // eslint-disable-next-line typescript/no-deprecated
-  const httpUrl = attributes[HTTP_URL] || attributes[URL_FULL];
-
-  if (!httpUrl) {
-    return false;
-  }
-
-  return isSentryRequestUrl(httpUrl.toString(), getClient());
-}