diff --git a/include/Refresh.h b/include/Refresh.h
index eae3531..2dccc88 100644
--- a/include/Refresh.h
+++ b/include/Refresh.h
@@ -757,13 +757,9 @@ REFRESHAPI void Refresh_Clear(
 /* Draws data from vertex/index buffers with instancing enabled.
  *
  * baseVertex:			The starting offset to read from the vertex buffer.
- * minVertexIndex:		The lowest index value expected from the index buffer.
- * numVertices:			The highest offset expected from the index buffer.
  * startIndex:			The starting offset to read from the index buffer.
  * primitiveCount:		The number of primitives to draw.
  * instanceCount:		The number of instances that will be drawn.
- * indices:				The index buffer to bind for this draw call.
- * indexElementSize:	The size of the index type for this index buffer.
  * vertexParamOffset:	The offset of the vertex shader param data.
  * fragmentParamOffset:	The offset of the fragment shader param data.
  */
@@ -771,13 +767,9 @@ REFRESHAPI void Refresh_DrawInstancedPrimitives(
 	Refresh_Device *device,
 	Refresh_CommandBuffer *commandBuffer,
 	uint32_t baseVertex,
-	uint32_t minVertexIndex,
-	uint32_t numVertices,
 	uint32_t startIndex,
 	uint32_t primitiveCount,
 	uint32_t instanceCount,
-	Refresh_Buffer *indices,
-	Refresh_IndexElementSize indexElementSize,
 	uint32_t vertexParamOffset,
 	uint32_t fragmentParamOffset
 );
@@ -785,12 +777,8 @@ REFRESHAPI void Refresh_DrawInstancedPrimitives(
 /* Draws data from vertex/index buffers.
  *
  * baseVertex:			The starting offset to read from the vertex buffer.
- * minVertexIndex:		The lowest index value expected from the index buffer.
- * numVertices:			The highest offset expected from the index buffer.
  * startIndex:			The starting offset to read from the index buffer.
  * primitiveCount:		The number of primitives to draw.
- * indices:				The index buffer to bind for this draw call.
- * indexElementSize:	The size of the index type for this index buffer.
  * vertexParamOffset:	The offset of the vertex shader param data.
  * fragmentParamOffset:	The offset of the fragment shader param data.
  */
@@ -798,12 +786,8 @@ REFRESHAPI void Refresh_DrawIndexedPrimitives(
 	Refresh_Device *device,
 	Refresh_CommandBuffer *commandBuffer,
 	uint32_t baseVertex,
-	uint32_t minVertexIndex,
-	uint32_t numVertices,
 	uint32_t startIndex,
 	uint32_t primitiveCount,
-	Refresh_Buffer *indices,
-	Refresh_IndexElementSize indexElementSize,
 	uint32_t vertexParamOffset,
 	uint32_t fragmentParamOffset
 );
diff --git a/src/Refresh.c b/src/Refresh.c
index 03eda8b..12234ce 100644
--- a/src/Refresh.c
+++ b/src/Refresh.c
@@ -194,12 +194,8 @@ void Refresh_DrawIndexedPrimitives(
 	Refresh_Device *device,
     Refresh_CommandBuffer *commandBuffer,
 	uint32_t baseVertex,
-	uint32_t minVertexIndex,
-	uint32_t numVertices,
 	uint32_t startIndex,
 	uint32_t primitiveCount,
-	Refresh_Buffer *indices,
-	Refresh_IndexElementSize indexElementSize,
     uint32_t vertexParamOffset,
 	uint32_t fragmentParamOffset
 ) {
@@ -208,12 +204,8 @@ void Refresh_DrawIndexedPrimitives(
         device->driverData,
         commandBuffer,
         baseVertex,
-        minVertexIndex,
-        numVertices,
         startIndex,
         primitiveCount,
-        indices,
-        indexElementSize,
         vertexParamOffset,
         fragmentParamOffset
     );
@@ -223,13 +215,9 @@ void Refresh_DrawInstancedPrimitives(
 	Refresh_Device *device,
     Refresh_CommandBuffer *commandBuffer,
 	uint32_t baseVertex,
-	uint32_t minVertexIndex,
-	uint32_t numVertices,
 	uint32_t startIndex,
 	uint32_t primitiveCount,
 	uint32_t instanceCount,
-	Refresh_Buffer *indices,
-	Refresh_IndexElementSize indexElementSize,
     uint32_t vertexParamOffset,
 	uint32_t fragmentParamOffset
 ) {
@@ -238,13 +226,9 @@ void Refresh_DrawInstancedPrimitives(
         device->driverData,
         commandBuffer,
         baseVertex,
-        minVertexIndex,
-        numVertices,
         startIndex,
         primitiveCount,
         instanceCount,
-        indices,
-        indexElementSize,
         vertexParamOffset,
         fragmentParamOffset
     );
diff --git a/src/Refresh_Driver.h b/src/Refresh_Driver.h
index 272eccf..8d579f1 100644
--- a/src/Refresh_Driver.h
+++ b/src/Refresh_Driver.h
@@ -182,13 +182,9 @@ struct Refresh_Device
         Refresh_Renderer *driverData,
         Refresh_CommandBuffer *commandBuffer,
         uint32_t baseVertex,
-        uint32_t minVertexIndex,
-        uint32_t numVertices,
         uint32_t startIndex,
         uint32_t primitiveCount,
         uint32_t instanceCount,
-        Refresh_Buffer *indices,
-        Refresh_IndexElementSize indexElementSize,
         uint32_t vertexParamOffset,
         uint32_t fragmentParamOffset
 	);
@@ -197,12 +193,8 @@ struct Refresh_Device
         Refresh_Renderer *driverData,
         Refresh_CommandBuffer *commandBuffer,
         uint32_t baseVertex,
-        uint32_t minVertexIndex,
-        uint32_t numVertices,
         uint32_t startIndex,
         uint32_t primitiveCount,
-        Refresh_Buffer *indices,
-        Refresh_IndexElementSize indexElementSize,
         uint32_t vertexParamOffset,
         uint32_t fragmentParamOffset
 	);
diff --git a/src/Refresh_Driver_Vulkan.c b/src/Refresh_Driver_Vulkan.c
index 171cc4d..d19eddb 100644
--- a/src/Refresh_Driver_Vulkan.c
+++ b/src/Refresh_Driver_Vulkan.c
@@ -3804,13 +3804,9 @@ static void VULKAN_DrawInstancedPrimitives(
 	Refresh_Renderer *driverData,
 	Refresh_CommandBuffer *commandBuffer,
 	uint32_t baseVertex,
-	uint32_t minVertexIndex,
-	uint32_t numVertices,
 	uint32_t startIndex,
 	uint32_t primitiveCount,
 	uint32_t instanceCount,
-	Refresh_Buffer *indices,
-	Refresh_IndexElementSize indexElementSize,
 	uint32_t vertexParamOffset,
 	uint32_t fragmentParamOffset
 ) {
@@ -3856,12 +3852,8 @@ static void VULKAN_DrawIndexedPrimitives(
 	Refresh_Renderer *driverData,
 	Refresh_CommandBuffer *commandBuffer,
 	uint32_t baseVertex,
-	uint32_t minVertexIndex,
-	uint32_t numVertices,
 	uint32_t startIndex,
 	uint32_t primitiveCount,
-	Refresh_Buffer *indices,
-	Refresh_IndexElementSize indexElementSize,
 	uint32_t vertexParamOffset,
 	uint32_t fragmentParamOffset
 ) {
@@ -3869,13 +3861,9 @@ static void VULKAN_DrawIndexedPrimitives(
 		driverData,
 		commandBuffer,
 		baseVertex,
-		minVertexIndex,
-		numVertices,
 		startIndex,
 		primitiveCount,
 		1,
-		indices,
-		indexElementSize,
 		vertexParamOffset,
 		fragmentParamOffset
 	);
@@ -6052,7 +6040,6 @@ static void VULKAN_SetTextureData(
 
 	VkCommandBuffer commandBuffer = renderer->transferCommandBuffers[renderer->frameIndex];
 	VkBufferImageCopy imageCopy;
-	VkResult vulkanResult;
 	uint8_t *stagingBufferPointer;
 
 	SDL_LockMutex(renderer->stagingLock);
@@ -6467,7 +6454,6 @@ static void VULKAN_SetBufferData(
 ) {
 	VulkanRenderer* renderer = (VulkanRenderer*)driverData;
 	VulkanBuffer* vulkanBuffer = (VulkanBuffer*)buffer;
-	VkResult vulkanResult;
 	uint32_t i;
 
 	#define CURIDX vulkanBuffer->currentSubBufferIndex
@@ -8961,7 +8947,7 @@ static void VULKAN_INTERNAL_LoadEntryPoints(
 	if (SDL_Vulkan_LoadLibrary(NULL) < 0)
 	{
 		Refresh_LogWarn("Vulkan: SDL_Vulkan_LoadLibrary failed!");
-		return 0;
+		return;
 	}
 
 	#pragma GCC diagnostic push
@@ -8974,7 +8960,7 @@ static void VULKAN_INTERNAL_LoadEntryPoints(
 				"SDL_Vulkan_GetVkGetInstanceProcAddr(): %s",
 				SDL_GetError()
 			);
-			return 0;
+			return;
 		}
 
 	#define VULKAN_GLOBAL_FUNCTION(name)								\
@@ -8982,7 +8968,7 @@ static void VULKAN_INTERNAL_LoadEntryPoints(
 			if (name == NULL)									\
 			{											\
 				Refresh_LogWarn("vkGetInstanceProcAddr(VK_NULL_HANDLE, \"" #name "\") failed");	\
-				return 0;									\
+				return;									\
 			}
 	#include "Refresh_Driver_Vulkan_vkfuncs.h"
 }