diff --git a/spec.html b/spec.html
index b650e445aa..c0ac4ad104 100644
--- a/spec.html
+++ b/spec.html
@@ -4339,13 +4339,12 @@ <h1>Data Blocks</h1>
       <emu-clause id="sec-createbytedatablock" type="abstract operation">
         <h1>
           CreateByteDataBlock (
-            _size_: an integer,
+            _size_: a non-negative integer,
           )
         </h1>
         <dl class="header">
         </dl>
         <emu-alg>
-          1. Assert: _size_ &ge; 0.
           1. Let _db_ be a new Data Block value consisting of _size_ bytes. If it is impossible to create such a Data Block, throw a *RangeError* exception.
           1. Set all of the bytes of _db_ to 0.
           1. Return _db_.
@@ -4361,7 +4360,6 @@ <h1>
         <dl class="header">
         </dl>
         <emu-alg>
-          1. Assert: _size_ &ge; 0.
           1. Let _db_ be a new Shared Data Block value consisting of _size_ bytes. If it is impossible to create such a Shared Data Block, throw a *RangeError* exception.
           1. Let _execution_ be the [[CandidateExecution]] field of the surrounding agent's Agent Record.
           1. Let _eventList_ be the [[EventList]] field of the element in _execution_.[[EventsRecords]] whose [[AgentSignifier]] is AgentSignifier().
@@ -4375,9 +4373,9 @@ <h1>
       <emu-clause id="sec-copydatablockbytes" type="abstract operation">
         <h1>
           CopyDataBlockBytes (
-            _toBlock_: unknown,
+            _toBlock_: a Data Block or a Shared Data Block,
             _toIndex_: a non-negative integer,
-            _fromBlock_: unknown,
+            _fromBlock_: a Data Block or a Shared Data Block,
             _fromIndex_: a non-negative integer,
             _count_: a non-negative integer,
           )
@@ -4385,7 +4383,7 @@ <h1>
         <dl class="header">
         </dl>
         <emu-alg>
-          1. Assert: _fromBlock_ and _toBlock_ are distinct Data Block or Shared Data Block values.
+          1. Assert: _fromBlock_ and _toBlock_ are distinct values.
           1. Let _fromSize_ be the number of bytes in _fromBlock_.
           1. Assert: _fromIndex_ + _count_ &le; _fromSize_.
           1. Let _toSize_ be the number of bytes in _toBlock_.
@@ -6250,9 +6248,9 @@ <h1>
     <emu-clause id="sec-construct" type="abstract operation">
       <h1>
         Construct (
-          _F_: a function object,
+          _F_: a constructor,
           optional _argumentsList_: unknown,
-          optional _newTarget_: unknown,
+          optional _newTarget_: a constructor,
         )
       </h1>
       <dl class="header">
@@ -6262,8 +6260,6 @@ <h1>
       <emu-alg>
         1. If _newTarget_ is not present, set _newTarget_ to _F_.
         1. If _argumentsList_ is not present, set _argumentsList_ to a new empty List.
-        1. Assert: IsConstructor(_F_) is *true*.
-        1. Assert: IsConstructor(_newTarget_) is *true*.
         1. Return ? _F_.[[Construct]](_argumentsList_, _newTarget_).
       </emu-alg>
       <emu-note>
@@ -6497,13 +6493,12 @@ <h1>
     <emu-clause id="sec-getfunctionrealm" type="abstract operation">
       <h1>
         GetFunctionRealm (
-          _obj_: unknown,
+          _obj_: a function object,
         )
       </h1>
       <dl class="header">
       </dl>
       <emu-alg>
-        1. Assert: ! IsCallable(_obj_) is *true*.
         1. If _obj_ has a [[Realm]] internal slot, then
           1. Return _obj_.[[Realm]].
         1. If _obj_ is a bound function exotic object, then
@@ -10874,6 +10869,7 @@ <h1>
             <dd>It returns the value of its bound identifier whose name is the value of the argument _N_. However, if the binding is an indirect binding the value of the target binding is returned. If the binding exists but is uninitialized a *ReferenceError* is thrown.</dd>
           </dl>
           <emu-alg>
+            1. Assert: _S_ is *true*.
             1. Assert: _envRec_ has a binding for _N_.
             1. If the binding for _N_ is an indirect binding, then
               1. Let _M_ and _N2_ be the indirection values provided when this binding for _N_ was created.
@@ -11265,7 +11261,7 @@ <h1>
       <h1>
         SetRealmGlobalObject (
           _realmRec_: unknown,
-          _globalObj_: unknown,
+          _globalObj_: an Object or *undefined*,
           _thisValue_: unknown,
         )
       </h1>
@@ -11620,7 +11616,6 @@ <h1>
       </ul>
       <p>The default implementation of HostMakeJobCallback performs the following steps when called:</p>
       <emu-alg>
-        1. Assert: IsCallable(_callback_) is *true*.
         1. Return the JobCallback Record { [[Callback]]: _callback_, [[HostDefined]]: ~empty~ }.
       </emu-alg>
       <p>ECMAScript hosts that are not web browsers must use the default implementation of HostMakeJobCallback.</p>
@@ -12091,13 +12086,12 @@ <h1>
         <h1>
           OrdinarySetPrototypeOf (
             _O_: an Object,
-            _V_: an ECMAScript language value,
+            _V_: an Object or *null*,
           )
         </h1>
         <dl class="header">
         </dl>
         <emu-alg>
-          1. Assert: Either Type(_V_) is Object or Type(_V_) is Null.
           1. Let _current_ be _O_.[[Prototype]].
           1. If SameValue(_V_, _current_) is *true*, return *true*.
           1. Let _extensible_ be _O_.[[Extensible]].
@@ -12576,7 +12570,7 @@ <h1>
     <emu-clause id="sec-getprototypefromconstructor" type="abstract operation">
       <h1>
         GetPrototypeFromConstructor (
-          _constructor_: unknown,
+          _constructor_: a function object,
           _intrinsicDefaultProto_: a String,
         )
       </h1>
@@ -12586,7 +12580,6 @@ <h1>
       </dl>
       <emu-alg>
         1. Assert: _intrinsicDefaultProto_ is this specification's name of an intrinsic object. The corresponding object must be an intrinsic that is intended to be used as the [[Prototype]] value of an object.
-        1. Assert: IsCallable(_constructor_) is *true*.
         1. Let _proto_ be ? Get(_constructor_, *"prototype"*).
         1. If Type(_proto_) is not Object, then
           1. Let _realm_ be ? GetFunctionRealm(_constructor_).
@@ -14615,13 +14608,12 @@ <h1>
         <h1>
           SetImmutablePrototype (
             _O_: unknown,
-            _V_: unknown,
+            _V_: an Object or *null*,
           )
         </h1>
         <dl class="header">
         </dl>
         <emu-alg>
-          1. Assert: Either Type(_V_) is Object or Type(_V_) is Null.
           1. Let _current_ be ? _O_.[[GetPrototypeOf]]().
           1. If SameValue(_V_, _current_) is *true*, return *true*.
           1. Return *false*.
@@ -34465,7 +34457,7 @@ <h1>
         <emu-clause id="sec-regexpinitialize" type="abstract operation">
           <h1>
             RegExpInitialize (
-              _obj_: an ECMAScript language value,
+              _obj_: an Object,
               _pattern_: an ECMAScript language value,
               _flags_: an ECMAScript language value,
             )
@@ -39018,7 +39010,6 @@ <h1>
           <dd>It creates a new ArrayBuffer whose data is a copy of _srcBuffer_'s data over the range starting at _srcByteOffset_ and continuing for _srcLength_ bytes.</dd>
         </dl>
         <emu-alg>
-          1. Assert: IsConstructor(_cloneConstructor_) is *true*.
           1. Let _targetBuffer_ be ? AllocateArrayBuffer(_cloneConstructor_, _srcLength_).
           1. If IsDetachedBuffer(_srcBuffer_) is *true*, throw a *TypeError* exception.
           1. Let _srcBlock_ be _srcBuffer_.[[ArrayBufferData]].
@@ -42153,13 +42144,12 @@ <h1>Promise.all ( _iterable_ )</h1>
         <emu-clause id="sec-getpromiseresolve" type="abstract operation">
           <h1>
             GetPromiseResolve (
-              _promiseConstructor_: unknown,
+              _promiseConstructor_: a constructor,
             )
           </h1>
           <dl class="header">
           </dl>
           <emu-alg>
-            1. Assert: IsConstructor(_promiseConstructor_) is *true*.
             1. Let _promiseResolve_ be ? Get(_promiseConstructor_, *"resolve"*).
             1. If IsCallable(_promiseResolve_) is *false*, throw a *TypeError* exception.
             1. Return _promiseResolve_.
@@ -42170,16 +42160,14 @@ <h1>
           <h1>
             PerformPromiseAll (
               _iteratorRecord_: unknown,
-              _constructor_: unknown,
+              _constructor_: a constructor,
               _resultCapability_: a PromiseCapability Record,
-              _promiseResolve_: unknown,
+              _promiseResolve_: a function object,
             )
           </h1>
           <dl class="header">
           </dl>
           <emu-alg>
-            1. Assert: IsConstructor(_constructor_) is *true*.
-            1. Assert: IsCallable(_promiseResolve_) is *true*.
             1. Let _values_ be a new empty List.
             1. Let _remainingElementsCount_ be the Record { [[Value]]: 1 }.
             1. Let _index_ be 0.
@@ -42260,16 +42248,14 @@ <h1>Promise.allSettled ( _iterable_ )</h1>
           <h1>
             PerformPromiseAllSettled (
               _iteratorRecord_: unknown,
-              _constructor_: unknown,
+              _constructor_: a constructor,
               _resultCapability_: a PromiseCapability Record,
-              _promiseResolve_: unknown,
+              _promiseResolve_: a function object,
             )
           </h1>
           <dl class="header">
           </dl>
           <emu-alg>
-            1. Assert: ! IsConstructor(_constructor_) is *true*.
-            1. Assert: IsCallable(_promiseResolve_) is *true*.
             1. Let _values_ be a new empty List.
             1. Let _remainingElementsCount_ be the Record { [[Value]]: 1 }.
             1. Let _index_ be 0.
@@ -42389,16 +42375,14 @@ <h1>Promise.any ( _iterable_ )</h1>
           <h1>
             PerformPromiseAny (
               _iteratorRecord_: unknown,
-              _constructor_: unknown,
+              _constructor_: a constructor,
               _resultCapability_: a PromiseCapability Record,
-              _promiseResolve_: unknown,
+              _promiseResolve_: a function object,
             )
           </h1>
           <dl class="header">
           </dl>
           <emu-alg>
-            1. Assert: ! IsConstructor(_constructor_) is *true*.
-            1. Assert: ! IsCallable(_promiseResolve_) is *true*.
             1. Let _errors_ be a new empty List.
             1. Let _remainingElementsCount_ be the Record { [[Value]]: 1 }.
             1. Let _index_ be 0.
@@ -42490,16 +42474,14 @@ <h1>Promise.race ( _iterable_ )</h1>
           <h1>
             PerformPromiseRace (
               _iteratorRecord_: unknown,
-              _constructor_: unknown,
+              _constructor_: a constructor,
               _resultCapability_: a PromiseCapability Record,
-              _promiseResolve_: unknown,
+              _promiseResolve_: a function object,
             )
           </h1>
           <dl class="header">
           </dl>
           <emu-alg>
-            1. Assert: IsConstructor(_constructor_) is *true*.
-            1. Assert: IsCallable(_promiseResolve_) is *true*.
             1. Repeat,
               1. Let _next_ be IteratorStep(_iteratorRecord_).
               1. If _next_ is an abrupt completion, set _iteratorRecord_.[[Done]] to *true*.