diff --git a/tonic/src/transport/error.rs b/tonic/src/transport/error.rs
index 042e517..26ba40d 100644
--- a/tonic/src/transport/error.rs
+++ b/tonic/src/transport/error.rs
@@ -73,11 +73,7 @@ impl fmt::Debug for Error {
 
 impl fmt::Display for Error {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        if let Some(source) = &self.inner.source {
-            write!(f, "{}: {}", self.description(), source)
-        } else {
-            f.write_str(self.description())
-        }
+        f.write_str(self.description())
     }
 }