diff --git a/common/General.h b/common/General.h
index 7e69236999..c0aa8b58c0 100644
--- a/common/General.h
+++ b/common/General.h
@@ -119,8 +119,6 @@ static __fi PageProtectionMode PageAccess_Any()
 // --------------------------------------------------------------------------------------
 //  HostSys
 // --------------------------------------------------------------------------------------
-// (this namespace name sucks, and is a throw-back to an older attempt to make things cross
-// platform prior to wxWidgets .. it should prolly be removed -- air)
 namespace HostSys
 {
 	// Maps a block of memory for use as a recompiled code buffer.
diff --git a/common/Pcsx2Defs.h b/common/Pcsx2Defs.h
index 1d0eed3c98..214e01cd34 100644
--- a/common/Pcsx2Defs.h
+++ b/common/Pcsx2Defs.h
@@ -203,8 +203,7 @@ static constexpr size_t __pagemask = PCSX2_PAGESIZE - 1;
 #define safe_delete_array(ptr) \
 	((void)(delete[](ptr)), (ptr) = NULL)
 
-// No checks for NULL -- wxWidgets says it's safe to skip NULL checks and it runs on
-// just about every compiler and libc implementation of any recentness.
+// No checks for NULL.
 #define safe_free(ptr) \
 	((void)(free(ptr), !!0), (ptr) = NULL)
 //((void) (( ( (ptr) != NULL ) && (free( ptr ), !!0) ), (ptr) = NULL))
@@ -282,23 +281,7 @@ static const pxEnumEnd_t pxEnumEnd = {};
 // --------------------------------------------------------------------------------------
 // This macro provides an easy and clean method for ensuring objects are not copyable.
 // Simply add the macro to the head or tail of your class declaration, and attempts to
-// copy the class will give you a moderately obtuse compiler error that will have you
-// scratching your head for 20 minutes.
-//
-// (... but that's probably better than having a weird invalid object copy having you
-//  scratch your head for a day).
-//
-// Programmer's notes:
-//  * We intentionally do NOT provide implementations for these methods, which should
-//    never be referenced anyway.
-
-//  * I've opted for macro form over multi-inherited class form (Boost style), because
-//    the errors generated by the macro are considerably less voodoo.  The Boost-style
-//    The macro reports the exact class that causes the copy failure, while Boost's class
-//    approach just reports an error in whatever "NoncopyableObject" is inherited.
-//
-//  * This macro is the same as wxWidgets' DECLARE_NO_COPY_CLASS macro.  This one is free
-//    of wx dependencies though, and has a nicer typeset. :)
+// copy the class will give you a moderately obtuse compiler error.
 //
 #ifndef DeclareNoncopyableObject
 #define DeclareNoncopyableObject(classname) \
diff --git a/pcsx2/CDVD/IsoFS/IsoFS.cpp b/pcsx2/CDVD/IsoFS/IsoFS.cpp
index 23ed40600d..109dafaae1 100644
--- a/pcsx2/CDVD/IsoFS/IsoFS.cpp
+++ b/pcsx2/CDVD/IsoFS/IsoFS.cpp
@@ -178,7 +178,7 @@ IsoFileDescriptor IsoDirectory::FindFile(const std::string_view& filePath) const
 	if (filePath.empty())
 		throw Exception::FileNotFound();
 
-	// wxWidgets DOS-style parser should work fine for ISO 9660 path names.  Only practical difference
+	// DOS-style parser should work fine for ISO 9660 path names.  Only practical difference
 	// is case sensitivity, and that won't matter for path splitting.
 	std::vector<std::string_view> parts(Path::SplitWindowsPath(filePath));
 	IsoFileDescriptor info;