diff --git a/src/libexpr/eval.cc b/src/libexpr/eval.cc
index 790b00ace..6c89b87b7 100644
--- a/src/libexpr/eval.cc
+++ b/src/libexpr/eval.cc
@@ -860,18 +860,18 @@ LocalNoInlineNoReturn(void throwTypeError(const Pos & pos, const char * s, const
     throw error;
 }
 
-LocalNoInlineNoReturn(void throwTypeError(const Pos & pos, const char * s, const string &s2, Env & env, Expr *expr))
-{
-    auto error = TypeError({
-        .msg = hintfmt(s, s2),
-        .errPos = pos
-    });
+// LocalNoInlineNoReturn(void throwTypeError(const Pos & pos, const char * s, const string &s2, Env & env, Expr *expr))
+// {
+//     auto error = TypeError({
+//         .msg = hintfmt(s, s2),
+//         .errPos = pos
+//     });
 
-    if (debuggerHook && expr)
-        debuggerHook(&error, env, *expr);
+//     if (debuggerHook && expr)
+//         debuggerHook(&error, env, *expr);
 
-    throw error;
-}
+//     throw error;
+// }
 
 LocalNoInlineNoReturn(void throwTypeError(const Pos & pos, const char * s, const ExprLambda & fun, const Symbol & s2, Env & env, Expr *expr))
 {
@@ -1243,7 +1243,7 @@ inline bool EvalState::evalBool(Env & env, Expr * e)
     Value v;
     e->eval(*this, env, v);
     if (v.type() != nBool)
-        throwTypeError("value is %1% while a Boolean was expected", v);
+        throwTypeError(noPos, "value is %1% while a Boolean was expected", v);
     return v.boolean;
 }
 
@@ -1262,7 +1262,7 @@ inline void EvalState::evalAttrs(Env & env, Expr * e, Value & v)
 {
     e->eval(*this, env, v);
     if (v.type() != nAttrs)
-        throwTypeError("value is %1% while a set was expected", v);
+        throwTypeError(noPos, "value is %1% while a set was expected", v);
 }
 
 
diff --git a/src/libexpr/eval.hh b/src/libexpr/eval.hh
index 8c4430bc8..a7d1207f2 100644
--- a/src/libexpr/eval.hh
+++ b/src/libexpr/eval.hh
@@ -195,7 +195,7 @@ public:
     Expr * parseExprFromFile(const Path & path, std::shared_ptr<StaticEnv> & staticEnv);
 
     /* Parse a Nix expression from the specified string. */
-    Expr * parseExprFromString(std::string s, const Path & basePath, , std::shared_ptr<StaticEnv> & staticEnv);
+    Expr * parseExprFromString(std::string s, const Path & basePath, std::shared_ptr<StaticEnv> & staticEnv);
     Expr * parseExprFromString(std::string s, const Path & basePath);
 
     Expr * parseStdin();
@@ -331,7 +331,7 @@ private:
     friend struct ExprLet;
 
     Expr * parse(char * text, size_t length, FileOrigin origin, const PathView path,
-        const Path & basePath, std::shared_ptr<StaticEnv> & staticEnv);
+        const PathView basePath, std::shared_ptr<StaticEnv> & staticEnv);
 
 public: