diff --git a/copy_from.go b/copy_from.go
index 27e2fc9a..d4b594d9 100644
--- a/copy_from.go
+++ b/copy_from.go
@@ -334,6 +334,4 @@ func (c *Conn) CopyFromReader(r io.Reader, sql string) error {
 			return c.processContextFreeMsg(msg)
 		}
 	}
-
-	return nil
 }
diff --git a/copy_to.go b/copy_to.go
index 0e11a6ed..f6b8d361 100644
--- a/copy_to.go
+++ b/copy_to.go
@@ -59,6 +59,4 @@ func (c *Conn) CopyToWriter(w io.Writer, sql string, args ...interface{}) error
 			return c.processContextFreeMsg(msg)
 		}
 	}
-
-	return nil
 }