diff --git a/sdk/core/azure-core/dev_requirements.txt b/sdk/core/azure-core/dev_requirements.txt
index 8b52ac11404e..d608c0f660e0 100644
--- a/sdk/core/azure-core/dev_requirements.txt
+++ b/sdk/core/azure-core/dev_requirements.txt
@@ -1,7 +1,6 @@
 msrest
 trio; python_version >= '3.5'
 aiohttp>=3.0; python_version >= '3.5'
-aiodns>=2.0; python_version >= '3.5'
 typing_extensions>=3.7.2
 opencensus>=0.6.0
 opencensus-ext-azure>=0.3.1