diff --git a/src/library_manager/llext_manager_dram.c b/src/library_manager/llext_manager_dram.c
index 2f6cff2b3501..d3401952f443 100644
--- a/src/library_manager/llext_manager_dram.c
+++ b/src/library_manager/llext_manager_dram.c
@@ -35,6 +35,15 @@ __imrdata static struct lib_manager_dram_storage lib_manager_dram;
 /* Store LLEXT manager context in DRAM to be restored during the next boot. */
 int llext_manager_store_to_dram(void)
 {
+	/*
+	 * If IMR context save is disabled, HP-SRAM and L3 heap memory are lost
+	 * on suspend/resume, but IMR remains persistent. Skip saving to avoid
+	 * restoring stale pointers.
+	 */
+	if (!IS_ENABLED(CONFIG_ADSP_IMR_CONTEXT_SAVE)) {
+		return 0;
+	}
+
 	struct ext_library *_ext_lib = ext_lib_get();
 	unsigned int i, j, k, l, n_lib, n_mod, n_llext, n_sect, n_sym;
 	size_t buf_size;
@@ -161,6 +170,15 @@ int llext_manager_store_to_dram(void)
 
 int llext_manager_restore_from_dram(void)
 {
+	/*
+	 * If IMR context save is disabled, the L3 heap and HP-SRAM memory were lost.
+	 * The saved context will contain stale pointers, so cleanly re-initialize instead.
+	 */
+	if (!IS_ENABLED(CONFIG_ADSP_IMR_CONTEXT_SAVE)) {
+		lib_manager_init();
+		return 0;
+	}
+
 	lib_manager_init();
 
 	struct ext_library *_ext_lib = ext_lib_get();
diff --git a/zephyr/lib/alloc.c b/zephyr/lib/alloc.c
index 031b31673be8..fd8d0e960b4b 100644
--- a/zephyr/lib/alloc.c
+++ b/zephyr/lib/alloc.c
@@ -838,7 +838,11 @@ static int heap_init(void)
 
 		arch_mem_map(l3_heap_start, va, l3_heap_size, K_MEM_PERM_RW | K_MEM_CACHE_WB);
 #endif
-		if (l3_heap_copy.heap.heap) {
+		/*
+		 * If IMR context save is disabled, the L3 heap memory is lost during
+		 * suspend/resume, so do not restore from the stale copy.
+		 */
+		if (IS_ENABLED(CONFIG_ADSP_IMR_CONTEXT_SAVE) && l3_heap_copy.heap.heap) {
 			l3_heap = l3_heap_copy;
 		} else {
 			l3_heap.heap.init_mem = l3_heap_start;