diff --git a/src/add/observable/bindCallback.ts b/src/add/observable/bindCallback.ts
index 19335ae3ed..3d5f99244a 100644
--- a/src/add/observable/bindCallback.ts
+++ b/src/add/observable/bindCallback.ts
@@ -1,7 +1,3 @@
-/**
- * Everything in this file is generated by the 'tools/generate-operator-patches.ts' script.
- * Any manual edits to this file will be lost next time the script is run.
- **/
 import {Observable} from '../../Observable';
 import {BoundCallbackObservable} from '../../observable/BoundCallbackObservable';
 
diff --git a/src/add/observable/bindNodeCallback.ts b/src/add/observable/bindNodeCallback.ts
index a387b6545d..0c3767d92b 100644
--- a/src/add/observable/bindNodeCallback.ts
+++ b/src/add/observable/bindNodeCallback.ts
@@ -1,7 +1,3 @@
-/**
- * Everything in this file is generated by the 'tools/generate-operator-patches.ts' script.
- * Any manual edits to this file will be lost next time the script is run.
- **/
 import {Observable} from '../../Observable';
 import {BoundNodeCallbackObservable} from '../../observable/BoundNodeCallbackObservable';
 
diff --git a/src/add/observable/defer.ts b/src/add/observable/defer.ts
index 76c599552e..906b48745e 100644
--- a/src/add/observable/defer.ts
+++ b/src/add/observable/defer.ts
@@ -1,7 +1,3 @@
-/**
- * Everything in this file is generated by the 'tools/generate-operator-patches.ts' script.
- * Any manual edits to this file will be lost next time the script is run.
- **/
 import {Observable} from '../../Observable';
 import {DeferObservable} from '../../observable/DeferObservable';
 
diff --git a/src/add/observable/empty.ts b/src/add/observable/empty.ts
index 6a96de9f38..92a2713007 100644
--- a/src/add/observable/empty.ts
+++ b/src/add/observable/empty.ts
@@ -1,7 +1,3 @@
-/**
- * Everything in this file is generated by the 'tools/generate-operator-patches.ts' script.
- * Any manual edits to this file will be lost next time the script is run.
- **/
 import {Observable} from '../../Observable';
 import {EmptyObservable} from '../../observable/EmptyObservable';
 
diff --git a/src/add/observable/forkJoin.ts b/src/add/observable/forkJoin.ts
index 61bdc9e769..8c0e73b560 100644
--- a/src/add/observable/forkJoin.ts
+++ b/src/add/observable/forkJoin.ts
@@ -1,7 +1,3 @@
-/**
- * Everything in this file is generated by the 'tools/generate-operator-patches.ts' script.
- * Any manual edits to this file will be lost next time the script is run.
- **/
 import {Observable} from '../../Observable';
 import {ForkJoinObservable} from '../../observable/ForkJoinObservable';
 
diff --git a/src/add/observable/from.ts b/src/add/observable/from.ts
index df517206bb..0fdf53af7f 100644
--- a/src/add/observable/from.ts
+++ b/src/add/observable/from.ts
@@ -1,7 +1,3 @@
-/**
- * Everything in this file is generated by the 'tools/generate-operator-patches.ts' script.
- * Any manual edits to this file will be lost next time the script is run.
- **/
 import {Observable} from '../../Observable';
 import {FromObservable} from '../../observable/FromObservable';
 
diff --git a/src/add/observable/fromArray.ts b/src/add/observable/fromArray.ts
index 22da460ab7..676f17388a 100644
--- a/src/add/observable/fromArray.ts
+++ b/src/add/observable/fromArray.ts
@@ -1,7 +1,3 @@
-/**
- * Everything in this file is generated by the 'tools/generate-operator-patches.ts' script.
- * Any manual edits to this file will be lost next time the script is run.
- **/
 import {Observable} from '../../Observable';
 import {ArrayObservable} from '../../observable/ArrayObservable';
 
diff --git a/src/add/observable/fromEvent.ts b/src/add/observable/fromEvent.ts
index d17889151c..676f6754a6 100644
--- a/src/add/observable/fromEvent.ts
+++ b/src/add/observable/fromEvent.ts
@@ -1,7 +1,3 @@
-/**
- * Everything in this file is generated by the 'tools/generate-operator-patches.ts' script.
- * Any manual edits to this file will be lost next time the script is run.
- **/
 import {Observable} from '../../Observable';
 import {FromEventObservable} from '../../observable/FromEventObservable';
 
diff --git a/src/add/observable/fromEventPattern.ts b/src/add/observable/fromEventPattern.ts
index c26c57bffb..22285dbc78 100644
--- a/src/add/observable/fromEventPattern.ts
+++ b/src/add/observable/fromEventPattern.ts
@@ -1,7 +1,3 @@
-/**
- * Everything in this file is generated by the 'tools/generate-operator-patches.ts' script.
- * Any manual edits to this file will be lost next time the script is run.
- **/
 import {Observable} from '../../Observable';
 import {FromEventPatternObservable} from '../../observable/FromEventPatternObservable';
 
diff --git a/src/add/observable/fromPromise.ts b/src/add/observable/fromPromise.ts
index 0a12dbcbed..27329debad 100644
--- a/src/add/observable/fromPromise.ts
+++ b/src/add/observable/fromPromise.ts
@@ -1,7 +1,3 @@
-/**
- * Everything in this file is generated by the 'tools/generate-operator-patches.ts' script.
- * Any manual edits to this file will be lost next time the script is run.
- **/
 import {Observable} from '../../Observable';
 import {PromiseObservable} from '../../observable/PromiseObservable';
 
diff --git a/src/add/observable/interval.ts b/src/add/observable/interval.ts
index fc16b2857a..b27dc4f3fe 100644
--- a/src/add/observable/interval.ts
+++ b/src/add/observable/interval.ts
@@ -1,7 +1,3 @@
-/**
- * Everything in this file is generated by the 'tools/generate-operator-patches.ts' script.
- * Any manual edits to this file will be lost next time the script is run.
- **/
 import {Observable} from '../../Observable';
 import {IntervalObservable} from '../../observable/IntervalObservable';
 
diff --git a/src/add/observable/never.ts b/src/add/observable/never.ts
index fbdcb98d92..2b343961c4 100644
--- a/src/add/observable/never.ts
+++ b/src/add/observable/never.ts
@@ -1,7 +1,3 @@
-/**
- * Everything in this file is generated by the 'tools/generate-operator-patches.ts' script.
- * Any manual edits to this file will be lost next time the script is run.
- **/
 import {Observable} from '../../Observable';
 import {NeverObservable} from '../../observable/NeverObservable';
 
diff --git a/src/add/observable/of.ts b/src/add/observable/of.ts
index 8d4e142bf9..8d090f9be9 100644
--- a/src/add/observable/of.ts
+++ b/src/add/observable/of.ts
@@ -1,6 +1,3 @@
-/**
- * This file was created manually, hence not managed by the 'tools/generate-operator-patches.ts' script.
- **/
 import {Observable} from '../../Observable';
 import {ArrayObservable} from '../../observable/ArrayObservable';
 
diff --git a/src/add/observable/range.ts b/src/add/observable/range.ts
index 5c7d805ea6..eb3a46f86c 100644
--- a/src/add/observable/range.ts
+++ b/src/add/observable/range.ts
@@ -1,7 +1,3 @@
-/**
- * Everything in this file is generated by the 'tools/generate-operator-patches.ts' script.
- * Any manual edits to this file will be lost next time the script is run.
- **/
 import {Observable} from '../../Observable';
 import {RangeObservable} from '../../observable/RangeObservable';
 
diff --git a/src/add/observable/throw.ts b/src/add/observable/throw.ts
index 561fd1db9b..48ba7409c8 100644
--- a/src/add/observable/throw.ts
+++ b/src/add/observable/throw.ts
@@ -1,7 +1,3 @@
-/**
- * Everything in this file is generated by the 'tools/generate-operator-patches.ts' script.
- * Any manual edits to this file will be lost next time the script is run.
- **/
 import {Observable} from '../../Observable';
 import {ErrorObservable} from '../../observable/ErrorObservable';
 
diff --git a/src/add/observable/timer.ts b/src/add/observable/timer.ts
index f362b87bfe..782fc2a7c2 100644
--- a/src/add/observable/timer.ts
+++ b/src/add/observable/timer.ts
@@ -1,7 +1,3 @@
-/**
- * Everything in this file is generated by the 'tools/generate-operator-patches.ts' script.
- * Any manual edits to this file will be lost next time the script is run.
- **/
 import {Observable} from '../../Observable';
 import {TimerObservable} from '../../observable/TimerObservable';