diff --git a/src/regex_impl.cc b/src/regex_impl.cc
index 1aa95a82..09efdb75 100644
--- a/src/regex_impl.cc
+++ b/src/regex_impl.cc
@@ -873,7 +873,7 @@ private:
         const auto res = m_program.instructions.size();
         if (res >= max_instructions)
             throw regex_error(format("regex compiled to more than {} instructions", max_instructions));
-        m_program.instructions.push_back({ op, false, 0, param });
+        m_program.instructions.push_back({ op, 0, param });
         return OpIndex(res);
     }
 
diff --git a/src/regex_impl.hh b/src/regex_impl.hh
index cd6b10c2..3593b9b0 100644
--- a/src/regex_impl.hh
+++ b/src/regex_impl.hh
@@ -112,9 +112,7 @@ struct CompiledRegex : RefCountable, UseMemoryDomain<MemoryDomain::Regex>
     struct Instruction
     {
         Op op;
-        // Those mutables are used during execution
-        mutable bool scheduled;
-        mutable uint16_t last_step;
+        mutable uint16_t last_step; // mutable as used during execution
         Param param;
     };
     static_assert(sizeof(Instruction) == 8);
@@ -349,9 +347,6 @@ private:
             release_saves(thread.saves);
         };
         auto consumed = [this, &thread]() {
-            if (m_program.instructions[thread.inst].scheduled)
-                return release_saves(thread.saves);
-            m_program.instructions[thread.inst].scheduled = true;
             m_threads.push_next(thread);
         };
 
@@ -479,9 +474,6 @@ private:
             while (not m_threads.current_is_empty())
                 step_thread(pos, current_step, m_threads.pop_current(), config);
 
-            for (auto& thread : m_threads.next_threads())
-                m_program.instructions[thread.inst].scheduled = false;
-
             if (pos == config.end or
                 (m_threads.next_is_empty() and (not search or m_found_match)) or
                 (m_found_match and any_match))