diff --git a/lix/libstore/remote-store.cc b/lix/libstore/remote-store.cc
index 6390c77f0..99133325a 100644
--- a/lix/libstore/remote-store.cc
+++ b/lix/libstore/remote-store.cc
@@ -170,24 +170,7 @@ void RemoteStore::ConnectionHandle::processStderr(Sink * sink, Source * source,
     auto ex = handle->processStderr(sink, source, flush);
     if (ex) {
         daemonException = true;
-        try {
-            std::rethrow_exception(ex);
-        } catch (const Error & e) {
-            // Nix versions before #4628 did not have an adequate behavior for reporting that the derivation format was upgraded.
-            // To avoid having to add compatibility logic in many places, we expect to catch almost all occurrences of the
-            // old incomprehensible error here, so that we can explain to users what's going on when their daemon is
-            // older than #4628 (2023).
-            if (experimentalFeatureSettings.isEnabled(Xp::DynamicDerivations) &&
-                GET_PROTOCOL_MINOR(handle->daemonVersion) <= 35)
-            {
-                auto m = e.msg();
-                if (m.find("parsing derivation") != std::string::npos &&
-                    m.find("expected string") != std::string::npos &&
-                    m.find("Derive([") != std::string::npos)
-                    throw Error("%s, this might be because the daemon is too old to understand dependencies on dynamic derivations. Check to see if the raw derivation is in the form '%s'", std::move(m), "DrvWithVersion(..)");
-            }
-            throw;
-        }
+        std::rethrow_exception(ex);
     }
 }