diff --git a/src/libstore/build/derivation-goal.cc b/src/libstore/build/derivation-goal.cc
index 401e2cda1..2993333fd 100644
--- a/src/libstore/build/derivation-goal.cc
+++ b/src/libstore/build/derivation-goal.cc
@@ -270,12 +270,7 @@ Goal::Co DerivationGoal::haveDerivation()
         }
 
     if (!waitees.empty()) co_await Suspend{}; /* to prevent hang (no wake-up event) */
-    co_return outputsSubstitutionTried();
-}
 
-
-Goal::Co DerivationGoal::outputsSubstitutionTried()
-{
     trace("all outputs substituted (maybe)");
 
     assert(!drv->type().isImpure());
diff --git a/src/libstore/build/derivation-goal.hh b/src/libstore/build/derivation-goal.hh
index ad3d9ca2a..82fee3539 100644
--- a/src/libstore/build/derivation-goal.hh
+++ b/src/libstore/build/derivation-goal.hh
@@ -236,7 +236,6 @@ struct DerivationGoal : public Goal
     Co getDerivation();
     Co loadDerivation();
     Co haveDerivation();
-    Co outputsSubstitutionTried();
     Co gaveUpOnSubstitution();
     Co closureRepaired();
     Co inputsRealised();