diff --git a/Userland/Libraries/LibJS/Runtime/ClassFieldDefinition.h b/Userland/Libraries/LibJS/Runtime/ClassFieldDefinition.h
index f02ecbbb1e9..ffe40df0135 100644
--- a/Userland/Libraries/LibJS/Runtime/ClassFieldDefinition.h
+++ b/Userland/Libraries/LibJS/Runtime/ClassFieldDefinition.h
@@ -8,6 +8,7 @@
 
 #include <AK/Forward.h>
 #include <LibJS/Forward.h>
+#include <LibJS/Heap/Handle.h>
 
 namespace JS {
 
diff --git a/Userland/Libraries/LibJS/Runtime/DeclarativeEnvironment.h b/Userland/Libraries/LibJS/Runtime/DeclarativeEnvironment.h
index ceea57c9d7f..cdce27d023e 100644
--- a/Userland/Libraries/LibJS/Runtime/DeclarativeEnvironment.h
+++ b/Userland/Libraries/LibJS/Runtime/DeclarativeEnvironment.h
@@ -8,6 +8,7 @@
 
 #include <AK/FlyString.h>
 #include <AK/HashMap.h>
+#include <LibJS/AST.h>
 #include <LibJS/Runtime/Completion.h>
 #include <LibJS/Runtime/Environment.h>
 #include <LibJS/Runtime/Value.h>
diff --git a/Userland/Libraries/LibJS/Runtime/StringPrototype.h b/Userland/Libraries/LibJS/Runtime/StringPrototype.h
index b24e8ee0ba2..afbbda62d01 100644
--- a/Userland/Libraries/LibJS/Runtime/StringPrototype.h
+++ b/Userland/Libraries/LibJS/Runtime/StringPrototype.h
@@ -6,6 +6,7 @@
 
 #pragma once
 
+#include <AK/Utf8View.h>
 #include <LibJS/Runtime/StringObject.h>
 
 namespace JS {
diff --git a/Userland/Libraries/LibJS/Runtime/Temporal/ZonedDateTime.h b/Userland/Libraries/LibJS/Runtime/Temporal/ZonedDateTime.h
index 6655f7f770f..972962b0e86 100644
--- a/Userland/Libraries/LibJS/Runtime/Temporal/ZonedDateTime.h
+++ b/Userland/Libraries/LibJS/Runtime/Temporal/ZonedDateTime.h
@@ -8,6 +8,7 @@
 
 #include <LibJS/Runtime/BigInt.h>
 #include <LibJS/Runtime/Object.h>
+#include <LibJS/Runtime/Temporal/AbstractOperations.h>
 
 namespace JS::Temporal {