diff --git a/configs/defconfig.esp32s2 b/configs/defconfig.esp32s2
index 9b25bfafe..3b0af548a 100644
--- a/configs/defconfig.esp32s2
+++ b/configs/defconfig.esp32s2
@@ -14,4 +14,4 @@ CONFIG_ULP_COPROC_ENABLED=y
 # Choose FSM or RISCV exclusively! Never both.
 CONFIG_ULP_COPROC_TYPE_FSM=y
 # CONFIG_ULP_COPROC_TYPE_RISCV=y
-CONFIG_ULP_COPROC_RESERVE_MEM=4096
+CONFIG_ULP_COPROC_RESERVE_MEM=512
diff --git a/configs/defconfig.esp32s3 b/configs/defconfig.esp32s3
index 463e145b3..2c2cba3cd 100644
--- a/configs/defconfig.esp32s3
+++ b/configs/defconfig.esp32s3
@@ -16,4 +16,4 @@ CONFIG_ULP_COPROC_ENABLED=y
 # Choose FSM or RISCV exclusively! Never both.
 CONFIG_ULP_COPROC_TYPE_FSM=y
 # CONFIG_ULP_COPROC_TYPE_RISCV=y
-CONFIG_ULP_COPROC_RESERVE_MEM=4096
+CONFIG_ULP_COPROC_RESERVE_MEM=512