diff --git a/.global.editorconfig.ini b/.global.editorconfig.ini
index c2c967bffc..4af46f526e 100644
--- a/.global.editorconfig.ini
+++ b/.global.editorconfig.ini
@@ -579,11 +579,11 @@ dotnet_diagnostic.SA1610.severity = silent
 # Element parameter documentation should match element parameters
 dotnet_diagnostic.SA1612.severity = silent
 # Element parameter documentation should have text
-dotnet_diagnostic.SA1614.severity = silent
+dotnet_diagnostic.SA1614.severity = warning
 # Element return value documentation should have text
-dotnet_diagnostic.SA1616.severity = silent
+dotnet_diagnostic.SA1616.severity = warning
 # Generic type parameter documentation should have text
-dotnet_diagnostic.SA1622.severity = silent
+dotnet_diagnostic.SA1622.severity = warning
 # Property summary documentation should match accessors
 dotnet_diagnostic.SA1623.severity = silent
 # Element documentation should not be copied and pasted
diff --git a/ExternalProjects/NLua/NLua.csproj b/ExternalProjects/NLua/NLua.csproj
index 5e06fa4786..0355705fc3 100644
--- a/ExternalProjects/NLua/NLua.csproj
+++ b/ExternalProjects/NLua/NLua.csproj
@@ -22,7 +22,7 @@
 	</PropertyGroup>
 
 	<PropertyGroup>
-		<NoWarn>$(NoWarn);IDE0005;SA1514</NoWarn>
+		<NoWarn>$(NoWarn);IDE0005;SA1514;SA1614;SA1616</NoWarn>
 		<Nullable>disable</Nullable>
 		<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
 	</PropertyGroup>
diff --git a/src/BizHawk.BizInvoke/BizInvokerUtilities.cs b/src/BizHawk.BizInvoke/BizInvokerUtilities.cs
index 9ef96e2e6c..b44865668d 100644
--- a/src/BizHawk.BizInvoke/BizInvokerUtilities.cs
+++ b/src/BizHawk.BizInvoke/BizInvokerUtilities.cs
@@ -55,14 +55,12 @@ namespace BizHawk.BizInvoke
 		/// <summary>
 		/// Computes the byte offset of the first field of any class relative to a class pointer.
 		/// </summary>
-		/// <returns></returns>
 		public static int ComputeClassFirstFieldOffset()
 			=> ComputeFieldOffset(typeof(CF).GetField("FirstField"));
 
 		/// <summary>
 		/// Compute the byte offset of the first byte of string data (UTF16) relative to a pointer to the string.
 		/// </summary>
-		/// <returns></returns>
 		public static int ComputeStringOffset()
 		{
 			var s = new string(Array.Empty<char>());
@@ -78,7 +76,6 @@ namespace BizHawk.BizInvoke
 		/// <summary>
 		/// Compute the offset to the 0th element of an array of value types
 		/// </summary>
-		/// <returns></returns>
 		public static int ComputeValueArrayElementOffset()
 		{
 			var arr = new int[4];
@@ -96,7 +93,6 @@ namespace BizHawk.BizInvoke
 		/// Compute the offset to the 0th element of an array of object types
 		/// Slow, so cache it if you need it.
 		/// </summary>
-		/// <returns></returns>
 		public static int ComputeObjectArrayElementOffset()
 		{
 			var obj = new object[4];
diff --git a/src/BizHawk.BizInvoke/CallingConventionAdapter.cs b/src/BizHawk.BizInvoke/CallingConventionAdapter.cs
index 435efd59fc..c3e8ad6d5b 100644
--- a/src/BizHawk.BizInvoke/CallingConventionAdapter.cs
+++ b/src/BizHawk.BizInvoke/CallingConventionAdapter.cs
@@ -24,16 +24,12 @@ namespace BizHawk.BizInvoke
 		/// managed wrapper involved.  Called "arrival" because it is to be used when the foreign code is calling
 		/// back into host code.
 		/// </summary>
-		/// <returns></returns>
 		IntPtr GetArrivalFunctionPointer(IntPtr p, InvokerParameterInfo pp, object lifetime);
 
 		/// <summary>
 		/// Like Marshal.GetDelegateForFunctionPointer(), but wraps a thunk around the passed native pointer
 		/// to adjust the calling convention appropriately
 		/// </summary>
-		/// <param name="p"></param>
-		/// <param name="delegateType"></param>
-		/// <returns></returns>
 		Delegate GetDelegateForFunctionPointer(IntPtr p, Type delegateType);
 
 		/// <summary>
@@ -41,10 +37,6 @@ namespace BizHawk.BizInvoke
 		/// managed wrapper involved.static  Called "departure" beause it is to be used when first leaving host
 		/// code for foreign code.
 		/// </summary>
-		/// <param name="p"></param>
-		/// <param name="pp"></param>
-		/// <param name="lifetime"></param>
-		/// <returns></returns>
 		IntPtr GetDepartureFunctionPointer(IntPtr p, InvokerParameterInfo pp, object lifetime);
 	}
 
@@ -137,7 +129,6 @@ namespace BizHawk.BizInvoke
 		/// This is very unsafe; any attempts by the guest to call syscalls will crash, and stack hygiene will be all wrong.
 		/// DO NOT USE THIS.
 		/// </summary>
-		/// <returns></returns>
 		public static ICallingConventionAdapter GetWaterboxUnsafeUnwrapped()
 			=> WaterboxAdapter.WaterboxWrapper;
 
diff --git a/src/BizHawk.Client.Common/config/ConfigExtensions.cs b/src/BizHawk.Client.Common/config/ConfigExtensions.cs
index e1175916cb..17176e6e43 100644
--- a/src/BizHawk.Client.Common/config/ConfigExtensions.cs
+++ b/src/BizHawk.Client.Common/config/ConfigExtensions.cs
@@ -39,8 +39,6 @@ namespace BizHawk.Client.Common
 		/// <summary>
 		/// Returns the core settings for a core
 		/// </summary>
-		/// <param name="config"></param>
-		/// <param name="coreType"></param>
 		/// <returns>null if no settings were saved, or there was an error deserializing</returns>
 		public static object GetCoreSettings(this Config config, Type coreType, Type settingsType)
 		{
@@ -61,9 +59,7 @@ namespace BizHawk.Client.Common
 		/// <summary>
 		/// saves the core settings for a core
 		/// </summary>
-		/// <param name="config"></param>
 		/// <param name="o">null to remove settings for that core instead</param>
-		/// <param name="coreType"></param>
 		public static void PutCoreSettings(this Config config, object o, Type coreType)
 		{
 			if (o != null)
@@ -79,8 +75,6 @@ namespace BizHawk.Client.Common
 		/// <summary>
 		/// Returns the core syncsettings for a core
 		/// </summary>
-		/// <param name="config"></param>
-		/// <param name="coreType"></param>
 		/// <returns>null if no settings were saved, or there was an error deserializing</returns>
 		public static object GetCoreSyncSettings(this Config config, Type coreType, Type syncSettingsType)
 		{
@@ -101,9 +95,7 @@ namespace BizHawk.Client.Common
 		/// <summary>
 		/// saves the core syncsettings for a core
 		/// </summary>
-		/// <param name="config"></param>
 		/// <param name="o">null to remove settings for that core instead</param>
-		/// <param name="coreType"></param>
 		public static void PutCoreSyncSettings(this Config config, object o, Type coreType)
 		{
 			if (o != null)
diff --git a/src/BizHawk.Client.Common/movie/tasproj/IStateManager.cs b/src/BizHawk.Client.Common/movie/tasproj/IStateManager.cs
index 5c8094ec41..aba852c334 100644
--- a/src/BizHawk.Client.Common/movie/tasproj/IStateManager.cs
+++ b/src/BizHawk.Client.Common/movie/tasproj/IStateManager.cs
@@ -41,20 +41,13 @@ namespace BizHawk.Client.Common
 		/// Get a nearby state.  The returned frame must be less than or equal to the passed frame.
 		/// This may not fail; the StateManager strongly holds a frame 0 state to ensure there's always a possible result.
 		/// </summary>
-		/// <param name="frame"></param>
 		/// <returns>This stream may be consumed only once, and before any other calls to statemanager occur</returns>
 		KeyValuePair<int, Stream> GetStateClosestToFrame(int frame);
 
-		/// <summary>
-		/// Returns the total number of states currently held by the state manager
-		/// </summary>
-		/// <value></value>
+		/// <value>the total number of states currently held by the state manager</value>
 		int Count { get; }
 
-		/// <summary>
-		/// Returns the most recent frame number that the state manager possesses
-		/// </summary>
-		/// <value></value>
+		/// <value>the most recent frame number that the state manager possesses</value>
 		int Last { get; }
 
 		/// <summary>
@@ -71,7 +64,6 @@ namespace BizHawk.Client.Common
 		/// Enables the instance to be used. An instance of <see cref="IStateManager"/> should not
 		/// be useable until this method is called
 		/// </summary>
-		/// <param name="frameZeroState"></param>
 		void Engage(byte[] frameZeroState);
 	}
 }
diff --git a/src/BizHawk.Client.Common/rewind/ZwinderBuffer.cs b/src/BizHawk.Client.Common/rewind/ZwinderBuffer.cs
index 7a2a5cd208..c98286fbd0 100644
--- a/src/BizHawk.Client.Common/rewind/ZwinderBuffer.cs
+++ b/src/BizHawk.Client.Common/rewind/ZwinderBuffer.cs
@@ -85,10 +85,7 @@ namespace BizHawk.Client.Common
 		/// </summary>
 		public int Count => (_nextStateIndex - _firstStateIndex) & STATEMASK;
 
-		/// <summary>
-		/// total number of bytes used
-		/// </summary>
-		/// <value></value>
+		/// <value>total number of bytes used</value>
 		public long Used => Count == 0
 			? 0
 			: (_states[HeadStateIndex].Start
@@ -96,10 +93,7 @@ namespace BizHawk.Client.Common
 				- _states[_firstStateIndex].Start
 			) & _sizeMask;
 
-		/// <summary>
-		/// Total size of the _buffer
-		/// </summary>
-		/// <value></value>
+		/// <value>Total size of the buffer</value>
 		public long Size { get; }
 
 		private readonly long _sizeMask;
@@ -282,8 +276,6 @@ namespace BizHawk.Client.Common
 		/// Retrieve information about a state from 0..Count - 1.
 		/// The information contained within is valid only until the collection is modified.
 		/// </summary>
-		/// <param name="index"></param>
-		/// <returns></returns>
 		public StateInformation GetState(int index)
 		{
 			if ((uint) index >= (uint) Count) throw new ArgumentOutOfRangeException(paramName: nameof(index), index, message: "index out of range");
@@ -293,7 +285,6 @@ namespace BizHawk.Client.Common
 		/// <summary>
 		/// Invalidate states from GetState(index) on to the end of the buffer, so that Count == index afterwards
 		/// </summary>
-		/// <param name="index"></param>
 		public void InvalidateEnd(int index)
 		{
 			if ((uint) index > (uint) Count) // intentionally allows index == Count (e.g. clearing an empty buffer)
diff --git a/src/BizHawk.Client.EmuHawk/tools/ToolManager.cs b/src/BizHawk.Client.EmuHawk/tools/ToolManager.cs
index 9d22d8d5b8..ab457d6546 100644
--- a/src/BizHawk.Client.EmuHawk/tools/ToolManager.cs
+++ b/src/BizHawk.Client.EmuHawk/tools/ToolManager.cs
@@ -477,7 +477,6 @@ namespace BizHawk.Client.EmuHawk
 		/// </summary>
 		/// <param name="condition">The condition to check for</param>
 		/// <typeparam name="T">Type of tools to check</typeparam>
-		/// <returns></returns>
 		public T FirstOrNull<T>(Predicate<T> condition) where T : class
 		{
 			foreach (var tool in _tools)
diff --git a/src/BizHawk.Common/Extensions/IOExtensions.cs b/src/BizHawk.Common/Extensions/IOExtensions.cs
index 087b76bf46..212addfd03 100644
--- a/src/BizHawk.Common/Extensions/IOExtensions.cs
+++ b/src/BizHawk.Common/Extensions/IOExtensions.cs
@@ -42,9 +42,7 @@ namespace BizHawk.Common.IOExtensions
 		/// <summary>
 		/// Read a string from a binary reader using utf8 encoding and known byte length
 		/// </summary>
-		/// <param name="r"></param>
 		/// <param name="bytes">exact number of bytes to read</param>
-		/// <returns></returns>
 		public static string ReadStringFixedUtf8(this BinaryReader r, int bytes)
 		{
 			var read = new byte[bytes];
@@ -55,8 +53,6 @@ namespace BizHawk.Common.IOExtensions
 		/// <summary>
 		/// Read a null terminated string from a binary reader using utf8 encoding
 		/// </summary>
-		/// <param name="br"></param>
-		/// <returns></returns>
 		public static string ReadStringUtf8NullTerminated(this BinaryReader br)
 		{
 			using var ms = new MemoryStream();
diff --git a/src/BizHawk.Common/MemoryBlock/MemoryBlockLinuxPal.cs b/src/BizHawk.Common/MemoryBlock/MemoryBlockLinuxPal.cs
index 23754406ad..eb4ad8dcf0 100644
--- a/src/BizHawk.Common/MemoryBlock/MemoryBlockLinuxPal.cs
+++ b/src/BizHawk.Common/MemoryBlock/MemoryBlockLinuxPal.cs
@@ -14,7 +14,6 @@ namespace BizHawk.Common
 		/// <summary>
 		/// Map some bytes
 		/// </summary>
-		/// <param name="size"></param>
 		/// <exception cref="InvalidOperationException">
 		/// failed to mmap
 		/// </exception>
diff --git a/src/BizHawk.Common/SpanStream.cs b/src/BizHawk.Common/SpanStream.cs
index 9bec0a2b72..b8959d89f4 100644
--- a/src/BizHawk.Common/SpanStream.cs
+++ b/src/BizHawk.Common/SpanStream.cs
@@ -13,11 +13,7 @@ namespace BizHawk.Common
 	}
 	public static class SpanStream
 	{
-		/// <summary>
-		/// Returns a stream in spanstream mode, or creates a wrapper that provides that functionality
-		/// </summary>
-		/// <param name="s"></param>
-		/// <returns></returns>
+		/// <returns>a stream in spanstream mode, or a newly-created wrapper which provides that functionality</returns>
 		public static ISpanStream GetOrBuild(Stream s)
 		{
 			return s as ISpanStream
diff --git a/src/BizHawk.Emulation.Cores/CPUs/FairchildF8/F3850.Operations.cs b/src/BizHawk.Emulation.Cores/CPUs/FairchildF8/F3850.Operations.cs
index 21f503bbe7..37fee2bce7 100644
--- a/src/BizHawk.Emulation.Cores/CPUs/FairchildF8/F3850.Operations.cs
+++ b/src/BizHawk.Emulation.Cores/CPUs/FairchildF8/F3850.Operations.cs
@@ -26,8 +26,6 @@ namespace BizHawk.Emulation.Cores.Components.FairchildF8
 		/// Helper method moving from IO pins to accumulator
 		/// (complement and flags set)
 		/// </summary>
-		/// <param name="dest"></param>
-		/// <param name="src"></param>
 		public void LR_A_IO_Func(byte dest, byte src)
 		{
 			// overflow and carry unconditionally reset
@@ -46,8 +44,6 @@ namespace BizHawk.Emulation.Cores.Components.FairchildF8
 		/// Helper method moving from accumulator to IO pins 
 		/// (complement)
 		/// </summary>
-		/// <param name="dest"></param>
-		/// <param name="src"></param>
 		public void OUT_Func(byte dest, byte src)
 		{
 			// data is complemented between accumulator and I/O pins (because PINs are active-low)
@@ -66,8 +62,6 @@ namespace BizHawk.Emulation.Cores.Components.FairchildF8
 		/// <summary>
 		/// Helper function for transferring data between registers
 		/// </summary>
-		/// <param name="dest"></param>
-		/// <param name="src"></param>
 		public void LR_Func(byte dest, byte src)
 		{
 			if (dest == DB)
@@ -94,8 +88,6 @@ namespace BizHawk.Emulation.Cores.Components.FairchildF8
 		/// <summary>
 		/// Right shift 'src' 'shift' positions (zero fill)
 		/// </summary>
-		/// <param name="src"></param>
-		/// <param name="shift"></param>
 		public void SR_Func(byte src, byte shift)
 		{
 			// overflow and carry unconditionally reset
@@ -111,8 +103,6 @@ namespace BizHawk.Emulation.Cores.Components.FairchildF8
 		/// <summary>
 		/// Left shift 'src' 'shift' positions (zero fill)
 		/// </summary>
-		/// <param name="src"></param>
-		/// <param name="shift"></param>
 		public void SL_Func(byte src, byte shift)
 		{
 			// overflow and carry unconditionally reset
@@ -130,8 +120,6 @@ namespace BizHawk.Emulation.Cores.Components.FairchildF8
 		/// Statuses modified: OVF, ZERO, CARRY, SIGN 
 		/// Statuses unaffected: ICB
 		/// </summary>
-		/// <param name="dest"></param>
-		/// <param name="src"></param>
 		public void ADD_Func(byte dest, byte src, byte src2 = ZERO)
 		{
 			ushort res = (ushort)(Regs[dest] + Regs[src] + Regs[src2]);
@@ -152,8 +140,6 @@ namespace BizHawk.Emulation.Cores.Components.FairchildF8
 		/// Decimal Add
 		/// http://www.bitsavers.org/components/fairchild/f8/67095664_F8_Guide_To_Programming_1976.pdf - page 40
 		/// </summary>
-		/// <param name="dest"></param>
-		/// <param name="src"></param>
 		public void ADDD_Func(byte dest, byte src)
 		{
 			// The accumulator and the memory location addressed by the DCO registers are assumed to contain two BCD digits.
@@ -237,8 +223,6 @@ namespace BizHawk.Emulation.Cores.Components.FairchildF8
 		/// <summary>
 		/// Logical AND regs[dest] with regs[src] and store the result in regs[dest]
 		/// </summary>
-		/// <param name="dest"></param>
-		/// <param name="src"></param>
 		public void AND_Func(byte dest, byte src)
 		{
 			// overflow and carry unconditionally reset
@@ -254,8 +238,6 @@ namespace BizHawk.Emulation.Cores.Components.FairchildF8
 		/// <summary>
 		/// Logical OR regs[dest] with regs[src] and store the result in regs[dest]
 		/// </summary>
-		/// <param name="dest"></param>
-		/// <param name="src"></param>
 		public void OR_Func(byte dest, byte src)
 		{
 			// overflow and carry unconditionally reset
@@ -271,8 +253,6 @@ namespace BizHawk.Emulation.Cores.Components.FairchildF8
 		/// <summary>
 		/// The destination (regs[dest]) is XORed with (regs[src]).
 		/// </summary>
-		/// <param name="dest"></param>
-		/// <param name="src"></param>
 		public void XOR_Func(byte dest, byte src)
 		{
 			// overflow and carry unconditionally reset
diff --git a/src/BizHawk.Emulation.Cores/CPUs/FairchildF8/F3850.Tables.cs b/src/BizHawk.Emulation.Cores/CPUs/FairchildF8/F3850.Tables.cs
index 61c12ca6ba..45fcba1e01 100644
--- a/src/BizHawk.Emulation.Cores/CPUs/FairchildF8/F3850.Tables.cs
+++ b/src/BizHawk.Emulation.Cores/CPUs/FairchildF8/F3850.Tables.cs
@@ -396,7 +396,6 @@
 		/// Statuses reset: OVF, CARRY 
 		/// Statuses unaffected: ICB
 		/// </summary>
-		/// <param name="index"></param>
 		private void SR(byte index)
 		{
 			PopulateCURINSTR(
@@ -414,7 +413,6 @@
 		/// Statuses reset: OVF, CARRY
 		/// Statuses unaffected: ICB
 		/// </summary>
-		/// <param name="index"></param>
 		private void SL(byte index)
 		{
 			PopulateCURINSTR(
@@ -998,7 +996,6 @@
 		/// Statuses modified: OVF, ZERO, CARRY, SIGN
 		/// Statuses unaffected: ICB
 		/// </summary>
-		/// <param name="rIndex"></param>
 		private void DS(byte rIndex)
 		{
 			// only scratch registers 0-16
@@ -1190,7 +1187,6 @@
 		/// A 3-bit value provided by the LlSU instruction operand is loaded into the three most significant bits of the ISAR. The three least significant bits of the ISAR are not altered. 
 		/// No status bits are affected. 
 		/// </summary>
-		/// <param name="octal"></param>
 		private void LISU(byte octal)
 		{
 			PopulateCURINSTR(
@@ -1206,7 +1202,6 @@
 		/// A 3-bit value provided by the USL instruction operand is loaded into the three least significant bits of the ISAR. The three most significant bits of the ISAR are not altered.
 		/// No status bits are modified. 
 		/// </summary>
-		/// <param name="octal"></param>
 		private void LISL(byte octal)
 		{
 			PopulateCURINSTR(
@@ -1223,7 +1218,6 @@
 		/// The most significant four bits of the accumulator are set to "0".
 		/// No status bits are modified. 
 		/// </summary>
-		/// <param name="index"></param>
 		private void LIS(byte index)
 		{
 			PopulateCURINSTR(
@@ -1448,7 +1442,6 @@
 		/// Statuses reset: OVF, CARRY
 		/// Statuses unaffected: ICB
 		/// </summary>
-		/// <param name="index"></param>
 		private void INS_0(byte index)
 		{
 			Regs[IO] = index;               // latch port index early
@@ -1474,7 +1467,6 @@
 		/// Statuses reset: OVF, CARRY
 		/// Statuses unaffected: ICB
 		/// </summary>
-		/// <param name="index"></param>
 		private void INS_1(byte index)
 		{
 			Regs[IO] = index;				// latch port index early
@@ -1507,7 +1499,6 @@
 		/// I/O ports with addresses from 0 to 1 may be accessed by this instruction. (Outs O or 1 is CPU port only.)
 		/// No status bits are modified. 
 		/// </summary>
-		/// <param name="index"></param>
 		private void OUTS_0(byte index)
 		{
 			Regs[IO] = index;               // latch port index early
@@ -1531,7 +1522,6 @@
 		/// I/O ports with addresses from 3 to 15 may be accessed by this instruction.
 		/// No status bits are modified. 
 		/// </summary>
-		/// <param name="index"></param>
 		private void OUTS_1(byte index)
 		{
 			Regs[IO] = index;               // latch port index early
@@ -1566,7 +1556,6 @@
 		/// Statuses modified: OVF, ZERO, CARRY, SIGN
 		/// Statuses unaffected: ICB 
 		/// </summary>
-		/// <param name="rIndex"></param>
 		private void AS(byte rIndex)
 		{
 			// only scratch registers 0-15
@@ -1641,7 +1630,6 @@
 		/// Statuses not significant: OVF, SIGN
 		/// Statuses unaffected: ICB
 		/// </summary>
-		/// <param name="rIndex"></param>
 		private void ASD(byte rIndex)
 		{
 			// only scratch registers 0-15
@@ -1738,7 +1726,6 @@
 		/// Statuses reset: OVF, CARRY 
 		/// Statuses unaffected: ICB
 		/// </summary>
-		/// <param name="rIndex"></param>
 		private void XS(byte rIndex)
 		{
 			// only scratch registers 0-15
@@ -1813,7 +1800,6 @@
 		/// Statuses modified: ZERO, SIGN
 		/// Statuses unaffected: ICB
 		/// </summary>
-		/// <param name="rIndex"></param>
 		private void NS(byte rIndex)
 		{
 			// only scratch registers 0-15
diff --git a/src/BizHawk.Emulation.Cores/Computers/SinclairSpectrum/Hardware/SoundOuput/AY38912.cs b/src/BizHawk.Emulation.Cores/Computers/SinclairSpectrum/Hardware/SoundOuput/AY38912.cs
index b912ad58fa..0595545db8 100644
--- a/src/BizHawk.Emulation.Cores/Computers/SinclairSpectrum/Hardware/SoundOuput/AY38912.cs
+++ b/src/BizHawk.Emulation.Cores/Computers/SinclairSpectrum/Hardware/SoundOuput/AY38912.cs
@@ -51,7 +51,6 @@ namespace BizHawk.Emulation.Cores.Computers.SinclairSpectrum
 		/// <summary>
 		/// |11-- ---- ---- --0-|	-	IN	-	Read value of currently selected register	
 		/// </summary>
-		/// <returns></returns>
 		public bool ReadPort(ushort port, ref int value)
 		{
 			if (!port.Bit(1))
@@ -72,7 +71,6 @@ namespace BizHawk.Emulation.Cores.Computers.SinclairSpectrum
 		/// |11-- ---- ---- --0-|	-	OUT	-	Register Select
 		/// |10-- ---- ---- --0-|	-	OUT	-	Write value to currently selected register
 		/// </summary>
-		/// <returns></returns>
 		public bool WritePort(ushort port, int value)
 		{
 			if (!port.Bit(1))
diff --git a/src/BizHawk.Emulation.Cores/Computers/SinclairSpectrum/Media/MediaConverter.cs b/src/BizHawk.Emulation.Cores/Computers/SinclairSpectrum/Media/MediaConverter.cs
index 51596a4664..d4f0f5787f 100644
--- a/src/BizHawk.Emulation.Cores/Computers/SinclairSpectrum/Media/MediaConverter.cs
+++ b/src/BizHawk.Emulation.Cores/Computers/SinclairSpectrum/Media/MediaConverter.cs
@@ -147,9 +147,6 @@ namespace BizHawk.Emulation.Cores.Computers.SinclairSpectrum
 		/// <summary>
 		/// Caluclate a data block XOR checksum
 		/// </summary>
-		/// <param name="buf"></param>
-		/// <param name="len"></param>
-		/// <returns></returns>
 		public static bool CheckChecksum(byte[] buf, int len)
 		{
 			byte c = 0;
diff --git a/src/BizHawk.Emulation.Cores/Computers/SinclairSpectrum/Media/Tape/TZX/TzxConverter.cs b/src/BizHawk.Emulation.Cores/Computers/SinclairSpectrum/Media/Tape/TZX/TzxConverter.cs
index 6522fa9b36..a66973e032 100644
--- a/src/BizHawk.Emulation.Cores/Computers/SinclairSpectrum/Media/Tape/TZX/TzxConverter.cs
+++ b/src/BizHawk.Emulation.Cores/Computers/SinclairSpectrum/Media/Tape/TZX/TzxConverter.cs
@@ -48,10 +48,6 @@ namespace BizHawk.Emulation.Cores.Computers.SinclairSpectrum
 		/// </summary>
 		private readonly DatacorderDevice _datacorder;
 
-		/// <summary>
-		/// Constructor
-		/// </summary>
-		/// <param name="_tapeDevice"></param>
 		public TzxConverter(DatacorderDevice _tapeDevice)
 		{
 			_datacorder = _tapeDevice;
diff --git a/src/BizHawk.Emulation.Cores/Consoles/Fairchild/ChannelF/Memory.cs b/src/BizHawk.Emulation.Cores/Consoles/Fairchild/ChannelF/Memory.cs
index 2025dd9692..06976b966f 100644
--- a/src/BizHawk.Emulation.Cores/Consoles/Fairchild/ChannelF/Memory.cs
+++ b/src/BizHawk.Emulation.Cores/Consoles/Fairchild/ChannelF/Memory.cs
@@ -11,8 +11,6 @@
 		/// <summary>
 		/// Simulates reading a byte of data from the address space
 		/// </summary>
-		/// <param name="addr"></param>
-		/// <returns></returns>
 		public byte ReadBus(ushort addr)
 		{
 			if (addr < 0x400)
@@ -36,7 +34,6 @@
 		/// Simulates writing a byte of data to the address space (in its default configuration, there is no writeable RAM in the
 		/// Channel F addressable through the address space)
 		/// </summary>
-		/// <param name="addr"></param>
 		public void WriteBus(ushort addr, byte value)
 		{
 			Cartridge.WriteBus(addr, value);
diff --git a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/Gameboy/IGameboyCommon.cs b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/Gameboy/IGameboyCommon.cs
index 2bf7cacf8e..66aa8ae45a 100644
--- a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/Gameboy/IGameboyCommon.cs
+++ b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/Gameboy/IGameboyCommon.cs
@@ -31,7 +31,6 @@ namespace BizHawk.Emulation.Cores.Consoles.Nintendo.Gameboy
 		/// Acquire GPU memory for inspection.  The returned object must be disposed as soon as the frontend
 		/// tool is done inspecting it, and the pointers become invalid once it is disposed.
 		/// </summary>
-		/// <returns></returns>
 		IGPUMemoryAreas LockGPU();
 
 		/// <summary>
diff --git a/src/BizHawk.Emulation.Cores/Waterbox/LibNymaCore.cs b/src/BizHawk.Emulation.Cores/Waterbox/LibNymaCore.cs
index 9a3e738b46..532bb114b0 100644
--- a/src/BizHawk.Emulation.Cores/Waterbox/LibNymaCore.cs
+++ b/src/BizHawk.Emulation.Cores/Waterbox/LibNymaCore.cs
@@ -181,7 +181,6 @@ namespace BizHawk.Emulation.Cores.Waterbox
 		/// <summary>
 		/// Set a callback to be called whenever the core calls MDFN_MakeFName for a firmware, so that we can load firmwares on demand
 		/// </summary>
-		/// <param name="cb"></param>
 		[BizImport(CC)]
 		public abstract void SetFrontendFirmwareNotify(FrontendFirmwareNotify cb);
 
@@ -207,7 +206,6 @@ namespace BizHawk.Emulation.Cores.Waterbox
 		/// <summary>
 		/// Callback to receive a disk TOC
 		/// </summary>
-		/// <param name="disk"></param>
 		/// <param name="dest">Deposit a LibNymaCore.TOC here</param>
 		[UnmanagedFunctionPointer(CC)]
 		public delegate void CDTOCCallback(int disk, IntPtr dest);