diff --git a/source/exec.tex b/source/exec.tex
index 2fd6f4f240..e0b06cb3ee 100644
--- a/source/exec.tex
+++ b/source/exec.tex
@@ -9181,9 +9181,6 @@
 \begin{codeblock}
 namespace std::execution::parallel_scheduler_replacement {
   struct @\libglobal{receiver_proxy}@ {
-  protected:
-    virtual bool @\exposidnc{query-env}@(@\unspecnc@) noexcept = 0;   // \expos
-
   public:
     virtual void set_value() noexcept = 0;
     virtual void set_error(exception_ptr) noexcept = 0;