diff --git a/.github/workflows/providers/gitea-release.yml b/.github/workflows/providers/gitea-release.yml
index 29cc691..c97df00 100644
--- a/.github/workflows/providers/gitea-release.yml
+++ b/.github/workflows/providers/gitea-release.yml
@@ -66,10 +66,8 @@ jobs:
         # Create full binary with correct partition offsets
         echo "Creating full binary..."
         esptool.py --chip esp32 merge_bin \
-          --fill-flash-size 4MB \
           --flash_mode dio \
           --flash_freq 40m \
-          --flash_size 4MB \
           -o filaman_full.bin \
           0x1000 bootloader.bin \
           0x8000 partitions.bin \
diff --git a/.github/workflows/providers/github-release.yml b/.github/workflows/providers/github-release.yml
index 31e7f7d..82448da 100644
--- a/.github/workflows/providers/github-release.yml
+++ b/.github/workflows/providers/github-release.yml
@@ -52,13 +52,11 @@ jobs:
         # Create release files
         cp spiffs.bin filaman_spiffs.bin
         
-        # Create full binary with correct partition offsets
+        # Create full binary without filling unused space
         echo "Creating full binary..."
         esptool.py --chip esp32 merge_bin \
-          --fill-flash-size 4MB \
           --flash_mode dio \
           --flash_freq 40m \
-          --flash_size 4MB \
           -o filaman_full.bin \
           0x1000 bootloader.bin \
           0x8000 partitions.bin \