diff --git a/include/zephyr/storage/stream_flash.h b/include/zephyr/storage/stream_flash.h
index b1d78af90a9f..23f240594251 100644
--- a/include/zephyr/storage/stream_flash.h
+++ b/include/zephyr/storage/stream_flash.h
@@ -61,7 +61,9 @@ struct stream_flash_ctx {
 	size_t bytes_written; /* Number of bytes written to flash */
 	size_t offset; /* Offset from base of flash device to write area */
 	size_t available; /* Available bytes in write area */
+#ifdef CONFIG_STREAM_FLASH_POST_WRITE_CALLBACK
 	stream_flash_callback_t callback; /* Callback invoked after write op */
+#endif
 #ifdef CONFIG_STREAM_FLASH_ERASE
 	off_t last_erased_page_start_offset; /* Last erased offset */
 #endif
@@ -82,6 +84,8 @@ struct stream_flash_ctx {
  *             If this is '0', the size will be set to the total size
  *             of the flash device minus the offset.
  * @param cb Callback to be invoked on completed flash write operations.
+ *           Callback is supported when CONFIG_STREAM_FLASH_POST_WRITE_CALLBACK
+ *           is enabled.
  *
  * @return non-negative on success, negative errno code on fail
  */
diff --git a/subsys/storage/stream/Kconfig b/subsys/storage/stream/Kconfig
index 59a985feb124..25df2546196e 100644
--- a/subsys/storage/stream/Kconfig
+++ b/subsys/storage/stream/Kconfig
@@ -12,6 +12,14 @@ menuconfig STREAM_FLASH
 
 if STREAM_FLASH
 
+config STREAM_FLASH_POST_WRITE_CALLBACK
+	bool "Write complete callback"
+	default y
+	help
+	  Enable callback that will be invoked once data is synchronized from
+	  stream to device. When callback is not used, disabling the option
+	  allows to save some code storage and RAM.
+
 config STREAM_FLASH_ERASE
 	bool "Perform erase operations"
 	depends on FLASH_HAS_EXPLICIT_ERASE
diff --git a/subsys/storage/stream/stream_flash.c b/subsys/storage/stream/stream_flash.c
index 63455af6d289..ae41f0b3ec95 100644
--- a/subsys/storage/stream/stream_flash.c
+++ b/subsys/storage/stream/stream_flash.c
@@ -165,6 +165,8 @@ static int flash_sync(struct stream_flash_ctx *ctx)
 		return rc;
 	}
 
+#if defined(CONFIG_STREAM_FLASH_POST_WRITE_CALLBACK)
+
 	if (ctx->callback) {
 		/* Invert to ensure that caller is able to discover a faulty
 		 * flash_read() even if no error code is returned.
@@ -187,6 +189,8 @@ static int flash_sync(struct stream_flash_ctx *ctx)
 		}
 	}
 
+#endif
+
 	ctx->bytes_written += ctx->buf_bytes;
 	ctx->buf_bytes = 0U;
 
@@ -317,7 +321,12 @@ int stream_flash_init(struct stream_flash_ctx *ctx, const struct device *fdev,
 	ctx->offset = offset;
 	ctx->available = (size == 0 ? inspect_flash_ctx.total_size - offset :
 				      size);
+
+#if !defined(CONFIG_STREAM_FLASH_POST_WRITE_CALLBACK)
+	ARG_UNUSED(cb);
+#else
 	ctx->callback = cb;
+#endif
 
 #ifdef CONFIG_STREAM_FLASH_ERASE
 	ctx->last_erased_page_start_offset = -1;
diff --git a/tests/subsys/storage/stream/stream_flash/prj.conf b/tests/subsys/storage/stream/stream_flash/prj.conf
index 99684390afa7..77b44389550c 100644
--- a/tests/subsys/storage/stream/stream_flash/prj.conf
+++ b/tests/subsys/storage/stream/stream_flash/prj.conf
@@ -13,3 +13,6 @@ CONFIG_SETTINGS=y
 CONFIG_STREAM_FLASH=y
 CONFIG_STREAM_FLASH_ERASE=y
 CONFIG_STREAM_FLASH_PROGRESS=y
+# It case if this is no longer y by default in Kconfig as
+# the tests are not ready to not test the feature.
+CONFIG_STREAM_FLASH_POST_WRITE_CALLBACK=y