diff --git a/spa/plugins/libcamera/libcamera-source.cpp b/spa/plugins/libcamera/libcamera-source.cpp
index e931ca230..a16ce7971 100644
--- a/spa/plugins/libcamera/libcamera-source.cpp
+++ b/spa/plugins/libcamera/libcamera-source.cpp
@@ -53,7 +53,6 @@ namespace {
 #define MASK_BUFFERS	31
 
 #define BUFFER_FLAG_OUTSTANDING	(1<<0)
-#define BUFFER_FLAG_MAPPED	(1<<1)
 
 struct buffer {
 	uint32_t id;
@@ -386,11 +385,6 @@ int spa_libcamera_clear_buffers(struct impl *impl, struct port *port)
 		b = &port->buffers[i];
 		d = b->outbuf->datas;
 
-		if (SPA_FLAG_IS_SET(b->flags, BUFFER_FLAG_MAPPED)) {
-			munmap(SPA_PTROFF(b->ptr, -d[0].mapoffset, void),
-					d[0].maxsize - d[0].mapoffset);
-		}
-
 		d[0].type = SPA_ID_INVALID;
 	}
 
@@ -1225,10 +1219,8 @@ spa_libcamera_alloc_buffers(struct impl *impl, struct port *port,
 
 		if (d[0].type != SPA_ID_INVALID && d[0].type & (1u << SPA_DATA_DmaBuf)) {
 			port->memtype = SPA_DATA_DmaBuf;
-		} else if (d[0].type != SPA_ID_INVALID && d[0].type & (1u << SPA_DATA_MemFd)) {
+		} else if (d[0].type & (1u << SPA_DATA_MemFd)) {
 			port->memtype = SPA_DATA_MemFd;
-		} else if (d[0].type & (1u << SPA_DATA_MemPtr)) {
-			port->memtype = SPA_DATA_MemPtr;
 		} else {
 			spa_log_error(impl->log, "can't use buffers of type %d", d[0].type);
 			return -EINVAL;
@@ -1299,21 +1291,6 @@ spa_libcamera_alloc_buffers(struct impl *impl, struct port *port,
 				d[j].fd = bufs[i]->planes()[j].fd.get();
 				spa_log_debug(impl->log, "Got fd = %" PRId64 " for buffer: #%d", d[j].fd, i);
 				d[j].data = nullptr;
-			}
-			else if (port->memtype == SPA_DATA_MemPtr) {
-				d[j].fd = -1;
-				d[j].data = mmap(nullptr,
-						d[j].maxsize + d[j].mapoffset,
-						PROT_READ, MAP_SHARED,
-						bufs[i]->planes()[j].fd.get(),
-						0);
-				if (d[j].data == MAP_FAILED) {
-					spa_log_error(impl->log, "mmap: %m");
-					continue;
-				}
-				b->ptr = d[j].data;
-				SPA_FLAG_SET(b->flags, BUFFER_FLAG_MAPPED);
-				spa_log_debug(impl->log, "mmap ptr:%p", d[j].data);
 			} else {
 				spa_log_error(impl->log, "invalid buffer type");
 				return -EIO;