diff --git a/lix/libexpr/eval-error.cc b/lix/libexpr/eval-error.cc
index 325510ec9..3557138f4 100644
--- a/lix/libexpr/eval-error.cc
+++ b/lix/libexpr/eval-error.cc
@@ -19,12 +19,6 @@ EvalErrorBuilder<T> EvalErrorBuilder<T>::atPos(PosIdx pos) &&
     return std::move(*this);
 }
 
-template<std::derived_from<EvalError> T>
-EvalErrorBuilder<T> EvalErrorBuilder<T>::atPos(Value & value, PosIdx fallback) &&
-{
-    return std::move(*this).atPos(value.determinePos(fallback));
-}
-
 template<std::derived_from<EvalError> T>
 EvalErrorBuilder<T> EvalErrorBuilder<T>::withTrace(PosIdx pos, const std::string_view text) &&
 {
diff --git a/lix/libexpr/eval-error.hh b/lix/libexpr/eval-error.hh
index e8f2a6a5c..faa9953b4 100644
--- a/lix/libexpr/eval-error.hh
+++ b/lix/libexpr/eval-error.hh
@@ -76,8 +76,6 @@ public:
 
     [[gnu::noinline]] EvalErrorBuilder<T> atPos(PosIdx pos) &&;
 
-    [[gnu::noinline]] EvalErrorBuilder<T> atPos(Value & value, PosIdx fallback = noPos) &&;
-
     [[gnu::noinline]] EvalErrorBuilder<T> withTrace(PosIdx pos, const std::string_view text) &&;
 
     [[gnu::noinline]] EvalErrorBuilder<T> withSuggestions(Suggestions & s) &&;
diff --git a/lix/libexpr/value.cc b/lix/libexpr/value.cc
index 5aea57096..103505db7 100644
--- a/lix/libexpr/value.cc
+++ b/lix/libexpr/value.cc
@@ -35,20 +35,6 @@ void Value::print(EvalState & state, std::ostream & str, PrintOptions options)
     printValue(state, str, *this, options);
 }
 
-PosIdx Value::determinePos(const PosIdx pos) const
-{
-    // Allow selecting a subset of enum values
-    #pragma GCC diagnostic push
-    #pragma GCC diagnostic ignored "-Wswitch-enum"
-    switch (internalType) {
-        case tAttrs: return attrs->pos;
-        case tLambda: return lambda.fun->pos;
-        case tApp: return app.left->determinePos(pos);
-        default: return pos;
-    }
-    #pragma GCC diagnostic pop
-}
-
 bool Value::isTrivial() const
 {
     return
diff --git a/lix/libexpr/value.hh b/lix/libexpr/value.hh
index 275f003c1..c15d5335f 100644
--- a/lix/libexpr/value.hh
+++ b/lix/libexpr/value.hh
@@ -790,8 +790,6 @@ public:
         return internalType == tList1 ? 1 : internalType == tList2 ? 2 : bigList.size;
     }
 
-    PosIdx determinePos(const PosIdx pos) const;
-
     /**
      * Check whether forcing this value requires a trivial amount of
      * computation. In particular, function applications are