diff --git a/src/runtime_src/core/pcie/driver/linux/xocl/lib/libqdma b/src/runtime_src/core/pcie/driver/linux/xocl/lib/libqdma
index 8e950d99280..d66f224c7c4 160000
--- a/src/runtime_src/core/pcie/driver/linux/xocl/lib/libqdma
+++ b/src/runtime_src/core/pcie/driver/linux/xocl/lib/libqdma
@@ -1 +1 @@
-Subproject commit 8e950d9928085f555dbed3d367d536d4df6d1a29
+Subproject commit d66f224c7c49a12e89bbddebbedd614ff49e8046
diff --git a/src/runtime_src/core/pcie/driver/linux/xocl/subdev/qdma.c b/src/runtime_src/core/pcie/driver/linux/xocl/subdev/qdma.c
index 5b83ce2cd93..0405ceb7714 100644
--- a/src/runtime_src/core/pcie/driver/linux/xocl/subdev/qdma.c
+++ b/src/runtime_src/core/pcie/driver/linux/xocl/subdev/qdma.c
@@ -50,11 +50,6 @@
 
 #define QDMA_REQ_TIMEOUT_MS	10000
 
-/* This is a temporary workaround in limiting the aperture size
- * until the block size issue in SOFT QDMA IP is fixed.
- */
-#define QDMA_WA_APERTURE_SIZE 0x8000
-
 /* Module Parameters */
 unsigned int qdma_max_channel = 8;
 module_param(qdma_max_channel, uint, 0644);
@@ -488,11 +483,10 @@ static int set_max_chan(struct xocl_qdma *qdma, u32 count)
 	struct platform_device *pdev = qdma->pdev;
 	struct qdma_queue_conf *qconf;
 	struct mm_channel *chan;
-	struct qdma_version_info ver_info;
 	u32	write, qidx;
 	char	ebuf[MM_EBUF_LEN + 1];
-	int	i, ret, rv;
-	bool	reset = false, is_soft_qdma = false;
+	int	i, ret;
+	bool	reset = false;
 
 	if (count > sizeof(qdma->channel_bitmap[0]) * 8) {
 		xocl_info(&pdev->dev, "Invalide number of channels set %d", count);
@@ -525,14 +519,6 @@ static int set_max_chan(struct xocl_qdma *qdma, u32 count)
 		}
 	}
 
-	rv = qdma_device_version_info(qdma->dma_hndl, &ver_info);
-
-	if (rv < 0) {
-		xocl_err(&pdev->dev, "qdma_device_version_info failed: %d", rv);
-		goto failed_create_queue;
-	}
-	is_soft_qdma = (strcmp(ver_info.ip_str, "EQDMA5.0 Soft IP") == 0)? true : false;
-
 	for (i = 0; i < qdma->channel * 2; i++) {
 		write = i / qdma->channel;
 		qidx = i % qdma->channel;
@@ -555,11 +541,6 @@ static int set_max_chan(struct xocl_qdma *qdma, u32 count)
 		qconf->qidx = qidx;
 		qconf->irq_en = (qdma->dev_conf.qdma_drv_mode == POLL_MODE) ?
 					0 : 1;
-		if (is_soft_qdma)
-		{
-			/* This is a temporary workaround to limit aperture size until we have a fix in SOFT IP */
-			qconf->aperture_size = QDMA_WA_APERTURE_SIZE;
-		}
 
 		ret = qdma_queue_add(qdma->dma_hndl, qconf, &chan->queue,
 					ebuf, MM_EBUF_LEN);