diff --git a/src/runtime/retired/experimental/pdl.rs b/src/runtime/retired/experimental/pdl.rs
deleted file mode 100644
index 0f2d07cbbc6af35251da6794fd5fb9b624c58b2c..0000000000000000000000000000000000000000
--- a/src/runtime/retired/experimental/pdl.rs
+++ /dev/null
@@ -1,46 +0,0 @@
-use crate::common::Port;
-
-#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
-struct Pdl {
-    ops: Vec<Op>,
-}
-
-#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
-enum Op {
-    JumpIfEq,  //
-    SyncStart, //
-    SyncEnd,   //
-    Exit,      //
-    Firing,    // pop port A. push bool B.
-    Put,       // pop port A. pop payload B.
-    Get,       // pop port A. push payload B.
-    //
-    PushConst(Value),
-    Store, // pop unslong A. pop B. store[A] := B.
-    Load,  // pop unslong A. push store[A].
-    Dup,   // pop A. push A. push A.
-    //
-    Lt,  // pop A. pop B. push bool C.
-    Eq,  // pop A. pop B. push bool C.
-    Add, // pop integer A. pop integer B. push A+B
-    Neg, // pop signed integer A. push -A.
-    //
-    Nand, // pop bool A. pop bool B. push nand(A,B)
-}
-
-#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
-struct State {
-    op_index: usize,
-    store: Vec<Value>, // TODO multiple frames
-    stack: Vec<Value>,
-}
-
-#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
-enum Value {
-    Null,
-    Int(i32),
-    Bool(bool),
-    UnsLong(u64),
-    Payload(Vec<u8>),
-    Port(Port),
-}