diff --git a/workspace/arduino-starter-kit/03-love-o-meter/patch.xodp b/workspace/arduino-starter-kit/03-love-o-meter/patch.xodp
index b2bc5eb8..815adf97 100644
--- a/workspace/arduino-starter-kit/03-love-o-meter/patch.xodp
+++ b/workspace/arduino-starter-kit/03-love-o-meter/patch.xodp
@@ -1,17 +1,6 @@
 {
   "description": "",
   "links": [
-    {
-      "id": "Bk_AeSTGb",
-      "input": {
-        "nodeId": "SkoEgHpfZ",
-        "pinKey": "rJf8o4ngZ"
-      },
-      "output": {
-        "nodeId": "ryR_UV6Mb",
-        "pinKey": "rymG3j6b-"
-      }
-    },
     {
       "id": "ByD4kHTzW",
       "input": {
@@ -34,17 +23,6 @@
         "pinKey": "SyBtREhlW"
       }
     },
-    {
-      "id": "BygJbB6f-",
-      "input": {
-        "nodeId": "rJISeBpf-",
-        "pinKey": "rJf8o4ngZ"
-      },
-      "output": {
-        "nodeId": "ryR_UV6Mb",
-        "pinKey": "rymG3j6b-"
-      }
-    },
     {
       "id": "Bym4kSTfb",
       "input": {
@@ -56,17 +34,6 @@
         "pinKey": "BkQzLCurwJZ"
       }
     },
-    {
-      "id": "BysS_4TGb",
-      "input": {
-        "nodeId": "H1dMvV6MW",
-        "pinKey": "S1n95SDJb"
-      },
-      "output": {
-        "nodeId": "ryR_UV6Mb",
-        "pinKey": "rymG3j6b-"
-      }
-    },
     {
       "id": "H15gyBazW",
       "input": {
@@ -265,17 +232,6 @@
         "pinKey": "BkQzLCurwJZ"
       }
     },
-    {
-      "id": "rkTAer6zZ",
-      "input": {
-        "nodeId": "rkSHxS6z-",
-        "pinKey": "rJf8o4ngZ"
-      },
-      "output": {
-        "nodeId": "ryR_UV6Mb",
-        "pinKey": "rymG3j6b-"
-      }
-    },
     {
       "id": "rks3CSafb",
       "input": {
diff --git a/workspace/arduino-starter-kit/04-color-mixing-lamp/patch.xodp b/workspace/arduino-starter-kit/04-color-mixing-lamp/patch.xodp
index 5d74af41..ff183a1a 100644
--- a/workspace/arduino-starter-kit/04-color-mixing-lamp/patch.xodp
+++ b/workspace/arduino-starter-kit/04-color-mixing-lamp/patch.xodp
@@ -12,17 +12,6 @@
         "pinKey": "HJU8CE2lW"
       }
     },
-    {
-      "id": "BJlWxDpzZ",
-      "input": {
-        "nodeId": "SyQeevTfb",
-        "pinKey": "rkAnKBvyZ"
-      },
-      "output": {
-        "nodeId": "BJApywTfW",
-        "pinKey": "rymG3j6b-"
-      }
-    },
     {
       "id": "BkNKyvTfb",
       "input": {
@@ -34,17 +23,6 @@
         "pinKey": "ryVmUAOrvkb"
       }
     },
-    {
-      "id": "BkRxgDazW",
-      "input": {
-        "nodeId": "r1IgevTG-",
-        "pinKey": "rkAnKBvyZ"
-      },
-      "output": {
-        "nodeId": "rJWC1DpG-",
-        "pinKey": "rymG3j6b-"
-      }
-    },
     {
       "id": "By5zlD6GZ",
       "input": {
@@ -56,17 +34,6 @@
         "pinKey": "SyBtREhlW"
       }
     },
-    {
-      "id": "HkagxPpfb",
-      "input": {
-        "nodeId": "BJbLexP6z-",
-        "pinKey": "rkAnKBvyZ"
-      },
-      "output": {
-        "nodeId": "BkQAkPpGb",
-        "pinKey": "rymG3j6b-"
-      }
-    },
     {
       "id": "S1tflv6fW",
       "input": {
diff --git a/workspace/arduino-starter-kit/05-mood-cue/patch.xodp b/workspace/arduino-starter-kit/05-mood-cue/patch.xodp
index 664c6822..48fef8d0 100644
--- a/workspace/arduino-starter-kit/05-mood-cue/patch.xodp
+++ b/workspace/arduino-starter-kit/05-mood-cue/patch.xodp
@@ -44,17 +44,6 @@
         "nodeId": "S1hcEOTz-",
         "pinKey": "SyBtREhlW"
       }
-    },
-    {
-      "id": "HkMfv_pMW",
-      "input": {
-        "nodeId": "HJc-POpzZ",
-        "pinKey": "S1n95SDJb"
-      },
-      "output": {
-        "nodeId": "S1hcEOTz-",
-        "pinKey": "rymG3j6b-"
-      }
     }
   ],
   "nodes": [
diff --git a/workspace/doc-tutorial/dtc-ldr-led-lcd/patch.xodp b/workspace/doc-tutorial/dtc-ldr-led-lcd/patch.xodp
index 179741e8..61d9116f 100644
--- a/workspace/doc-tutorial/dtc-ldr-led-lcd/patch.xodp
+++ b/workspace/doc-tutorial/dtc-ldr-led-lcd/patch.xodp
@@ -23,17 +23,6 @@
         "pinKey": "HktZUCdrPkZ"
       }
     },
-    {
-      "id": "HyTJTJOQb",
-      "input": {
-        "nodeId": "H1rypyO7b",
-        "pinKey": "rkAnKBvyZ"
-      },
-      "output": {
-        "nodeId": "BJpa2yu7b",
-        "pinKey": "rymG3j6b-"
-      }
-    },
     {
       "id": "SJMphk_mZ",
       "input": {
diff --git a/workspace/doc-tutorial/dtc-ldr-led/patch.xodp b/workspace/doc-tutorial/dtc-ldr-led/patch.xodp
index 8f5d6990..1216efb0 100644
--- a/workspace/doc-tutorial/dtc-ldr-led/patch.xodp
+++ b/workspace/doc-tutorial/dtc-ldr-led/patch.xodp
@@ -1,17 +1,6 @@
 {
   "description": "",
   "links": [
-    {
-      "id": "SJrUn1uQ-",
-      "input": {
-        "nodeId": "r1kI3k_mZ",
-        "pinKey": "rkAnKBvyZ"
-      },
-      "output": {
-        "nodeId": "HkVEhkO7b",
-        "pinKey": "rymG3j6b-"
-      }
-    },
     {
       "id": "SkDS2JdQW",
       "input": {
diff --git a/workspace/doc-tutorial/dtc-pot-led/patch.xodp b/workspace/doc-tutorial/dtc-pot-led/patch.xodp
index f01ff731..f723bf6c 100644
--- a/workspace/doc-tutorial/dtc-pot-led/patch.xodp
+++ b/workspace/doc-tutorial/dtc-pot-led/patch.xodp
@@ -1,17 +1,6 @@
 {
   "description": "",
   "links": [
-    {
-      "id": "B1dR91_XZ",
-      "input": {
-        "nodeId": "SyzRqkuXW",
-        "pinKey": "rkAnKBvyZ"
-      },
-      "output": {
-        "nodeId": "rkBp5y_QZ",
-        "pinKey": "rymG3j6b-"
-      }
-    },
     {
       "id": "BkDC91_m-",
       "input": {
diff --git a/workspace/doc-tutorial/pn-plant/patch.xodp b/workspace/doc-tutorial/pn-plant/patch.xodp
index 69438c09..0bed1f32 100644
--- a/workspace/doc-tutorial/pn-plant/patch.xodp
+++ b/workspace/doc-tutorial/pn-plant/patch.xodp
@@ -56,17 +56,6 @@
         "pinKey": "rk4-cs6-W"
       }
     },
-    {
-      "id": "ByK6IguQW",
-      "input": {
-        "nodeId": "r1tzUxOmZ",
-        "pinKey": "__in__"
-      },
-      "output": {
-        "nodeId": "rkmS8xu7W",
-        "pinKey": "rymG3j6b-"
-      }
-    },
     {
       "id": "HJluLg_X-",
       "input": {
@@ -100,17 +89,6 @@
         "pinKey": "__out__"
       }
     },
-    {
-      "id": "Skr5Lx_mb",
-      "input": {
-        "nodeId": "HJrYIg_mb",
-        "pinKey": "rJf8o4ngZ"
-      },
-      "output": {
-        "nodeId": "rkmS8xu7W",
-        "pinKey": "rymG3j6b-"
-      }
-    },
     {
       "id": "rkNaLedXW",
       "input": {
diff --git a/workspace/doc-tutorial/pn-single-plant-percent/patch.xodp b/workspace/doc-tutorial/pn-single-plant-percent/patch.xodp
index deb80113..30f3a2b6 100644
--- a/workspace/doc-tutorial/pn-single-plant-percent/patch.xodp
+++ b/workspace/doc-tutorial/pn-single-plant-percent/patch.xodp
@@ -23,17 +23,6 @@
         "pinKey": "rksccsp-W"
       }
     },
-    {
-      "id": "HkM-XgOm-",
-      "input": {
-        "nodeId": "Sk9gmgOQW",
-        "pinKey": "rJf8o4ngZ"
-      },
-      "output": {
-        "nodeId": "BJpa2yu7b",
-        "pinKey": "rymG3j6b-"
-      }
-    },
     {
       "id": "SJMphk_mZ",
       "input": {
diff --git a/workspace/doc-tutorial/pn-single-plant-with-patch-nodes/patch.xodp b/workspace/doc-tutorial/pn-single-plant-with-patch-nodes/patch.xodp
index a74e3d15..28db1b5e 100644
--- a/workspace/doc-tutorial/pn-single-plant-with-patch-nodes/patch.xodp
+++ b/workspace/doc-tutorial/pn-single-plant-with-patch-nodes/patch.xodp
@@ -23,17 +23,6 @@
         "pinKey": "rksccsp-W"
       }
     },
-    {
-      "id": "HkM-XgOm-",
-      "input": {
-        "nodeId": "Sk9gmgOQW",
-        "pinKey": "rJf8o4ngZ"
-      },
-      "output": {
-        "nodeId": "BJpa2yu7b",
-        "pinKey": "rymG3j6b-"
-      }
-    },
     {
       "id": "SJMphk_mZ",
       "input": {
diff --git a/workspace/doc-tutorial/pn-single-plant/patch.xodp b/workspace/doc-tutorial/pn-single-plant/patch.xodp
index e4673f9b..1ccea25f 100644
--- a/workspace/doc-tutorial/pn-single-plant/patch.xodp
+++ b/workspace/doc-tutorial/pn-single-plant/patch.xodp
@@ -12,17 +12,6 @@
         "pinKey": "SyBtREhlW"
       }
     },
-    {
-      "id": "HkM-XgOm-",
-      "input": {
-        "nodeId": "Sk9gmgOQW",
-        "pinKey": "rJf8o4ngZ"
-      },
-      "output": {
-        "nodeId": "BJpa2yu7b",
-        "pinKey": "rymG3j6b-"
-      }
-    },
     {
       "id": "SJMphk_mZ",
       "input": {
diff --git a/workspace/lib/xod/common-hardware/thermometer-tmp36/patch.xodp b/workspace/lib/xod/common-hardware/thermometer-tmp36/patch.xodp
index a8f00f12..0c5dbcc2 100644
--- a/workspace/lib/xod/common-hardware/thermometer-tmp36/patch.xodp
+++ b/workspace/lib/xod/common-hardware/thermometer-tmp36/patch.xodp
@@ -34,17 +34,6 @@
         "pinKey": "__out__"
       }
     },
-    {
-      "id": "r1QQz86G-",
-      "input": {
-        "nodeId": "S1JWMUaMW",
-        "pinKey": "__in__"
-      },
-      "output": {
-        "nodeId": "S13MzIpMZ",
-        "pinKey": "rymG3j6b-"
-      }
-    },
     {
       "id": "rJy7MLpfW",
       "input": {
diff --git a/workspace/lib/xod/core/analog-input/arduino.cpp b/workspace/lib/xod/core/analog-input/arduino.cpp
index 9b46d5a7..9fe6a471 100644
--- a/workspace/lib/xod/core/analog-input/arduino.cpp
+++ b/workspace/lib/xod/core/analog-input/arduino.cpp
@@ -17,5 +17,4 @@ void evaluate(NodeId nid, State* state) {
     }
 
     emitValue<Outputs::VAL>(nid, ::analogRead(port) / 1023.);
-    emitValue<Outputs::RDY>(nid, 1);
 }
diff --git a/workspace/lib/xod/core/analog-input/patch.xodp b/workspace/lib/xod/core/analog-input/patch.xodp
index 7cdb6cb6..631b685b 100644
--- a/workspace/lib/xod/core/analog-input/patch.xodp
+++ b/workspace/lib/xod/core/analog-input/patch.xodp
@@ -47,17 +47,6 @@
         "y": 16
       },
       "type": "xod/patch-nodes/input-pulse"
-    },
-    {
-      "boundValues": {},
-      "description": "Pulses when the reading is ready",
-      "id": "rymG3j6b-",
-      "label": "RDY",
-      "position": {
-        "x": 266,
-        "y": 224
-      },
-      "type": "xod/patch-nodes/output-pulse"
     }
   ]
 }
diff --git a/workspace/water-station/plant/patch.xodp b/workspace/water-station/plant/patch.xodp
index 5d7287c6..2e7f2ca8 100644
--- a/workspace/water-station/plant/patch.xodp
+++ b/workspace/water-station/plant/patch.xodp
@@ -1,17 +1,6 @@
 {
   "description": "",
   "links": [
-    {
-      "id": "B11wUJQfW",
-      "input": {
-        "nodeId": "SJI8Ik7zW",
-        "pinKey": "__in__"
-      },
-      "output": {
-        "nodeId": "S1afrk7GW",
-        "pinKey": "rymG3j6b-"
-      }
-    },
     {
       "id": "B1omL1XGZ",
       "input": {
@@ -78,17 +67,6 @@
         "pinKey": "__out__"
       }
     },
-    {
-      "id": "S1Hb8yXGZ",
-      "input": {
-        "nodeId": "S1jFHymG-",
-        "pinKey": "rJf8o4ngZ"
-      },
-      "output": {
-        "nodeId": "S1afrk7GW",
-        "pinKey": "rymG3j6b-"
-      }
-    },
     {
       "id": "SkD1U1XzZ",
       "input": {