diff --git a/ir/opt/loop_simplify.c b/ir/opt/loop_simplify.c
index 85b1d98..0017eae 100644
--- a/ir/opt/loop_simplify.c
+++ b/ir/opt/loop_simplify.c
@@ -7,7 +7,6 @@ void vx_opt_loop_simplify(vx_IrView view,
         vx_IrOp *op = (vx_IrOp *) vx_IrView_take(view);
 
         vx_IrBlock *cond = vx_IrOp_param(op, VX_IR_NAME_COND)->block;
-        opt(cond); // !
         const vx_IrVar condVar = cond->outs[0];
 
         // if it will always we 0, we optimize it out
@@ -17,8 +16,6 @@ void vx_opt_loop_simplify(vx_IrView view,
             goto next;
         }
 
-        opt(vx_IrOp_param(op, VX_IR_NAME_LOOP_DO)->block);
-
         // if it will never be 0 (not might be 0), it is always true => infinite loop
         if (!vx_Irblock_mightbe_var(cond, condVar, (vx_IrValue) { .type = VX_IR_VAL_IMM_INT, .imm_int = 0 })) {
             vx_IrOp new;
diff --git a/ir/opt/reduce_if.c b/ir/opt/reduce_if.c
index 58ea994..c845e1e 100644
--- a/ir/opt/reduce_if.c
+++ b/ir/opt/reduce_if.c
@@ -9,13 +9,11 @@ void vx_opt_reduce_if(vx_IrView view,
         vx_IrOp *op = (vx_IrOp *) vx_IrView_take(view);
 
         vx_IrBlock *cond = vx_IrOp_param(op, VX_IR_NAME_COND)->block;
-        opt(cond); // !
         const vx_IrVar condVar = cond->outs[0];
 
         vx_IrValue *pthen = vx_IrOp_param(op, VX_IR_NAME_COND_THEN);
         if (pthen) {
             vx_IrBlock *then = pthen->block;
-            opt(then);
 
             // if it will never be 0 (not might be 0), it is always true => only execute then block
             if (!vx_Irblock_mightbe_var(cond, condVar, (vx_IrValue) { .type = VX_IR_VAL_IMM_INT, .imm_int = 0 })) {
@@ -33,7 +31,6 @@ void vx_opt_reduce_if(vx_IrView view,
         vx_IrValue *pelse = vx_IrOp_param(op, VX_IR_NAME_COND_ELSE);
         if (pelse) {
             vx_IrBlock *els = pelse->block;
-            opt(els);
 
             // if it will always we 0, only the else block will ever be executed
             if (vx_Irblock_alwaysis_var(cond, condVar, (vx_IrValue) { .type = VX_IR_VAL_IMM_INT, .imm_int = 0 })) {