diff --git a/tensorflow/lite/micro/tools/make/targets/apollo3evb_makefile.inc b/tensorflow/lite/micro/tools/make/targets/apollo3evb_makefile.inc
index 8671df5864f..5214b06a36f 100644
--- a/tensorflow/lite/micro/tools/make/targets/apollo3evb_makefile.inc
+++ b/tensorflow/lite/micro/tools/make/targets/apollo3evb_makefile.inc
@@ -40,7 +40,6 @@ $(MAKEFILE_DIR)/downloads/$(AM_SDK_DEST)/$(SF_BSPS_DEST): $(MAKEFILE_DIR)/downlo
     -fmessage-length=0 \
     -fno-exceptions \
     -fno-unwind-tables \
-    -fno-builtin \
     -ffunction-sections \
     -fdata-sections \
     -funsigned-char \
diff --git a/tensorflow/lite/micro/tools/make/targets/bluepill_makefile.inc b/tensorflow/lite/micro/tools/make/targets/bluepill_makefile.inc
index 2bd84fa6e29..5223f00a74f 100644
--- a/tensorflow/lite/micro/tools/make/targets/bluepill_makefile.inc
+++ b/tensorflow/lite/micro/tools/make/targets/bluepill_makefile.inc
@@ -19,7 +19,6 @@ ifeq ($(TARGET), bluepill)
     -fmessage-length=0 \
     -fno-exceptions \
     -fno-unwind-tables \
-    -fno-builtin \
     -ffunction-sections \
     -fdata-sections \
     -funsigned-char \
diff --git a/tensorflow/lite/micro/tools/make/targets/ecm3531_makefile.inc b/tensorflow/lite/micro/tools/make/targets/ecm3531_makefile.inc
index 756915f946a..709f060c4ac 100644
--- a/tensorflow/lite/micro/tools/make/targets/ecm3531_makefile.inc
+++ b/tensorflow/lite/micro/tools/make/targets/ecm3531_makefile.inc
@@ -27,7 +27,6 @@ ifeq ($(TARGET), ecm3531)
     -fmessage-length=0 \
     -fno-exceptions \
     -fno-unwind-tables \
-    -fno-builtin \
     -ffunction-sections \
     -fdata-sections \
     -funsigned-char \
diff --git a/tensorflow/lite/micro/tools/make/targets/hexagon_makefile.inc b/tensorflow/lite/micro/tools/make/targets/hexagon_makefile.inc
index 155fff99dcd..c3cbf206c8a 100644
--- a/tensorflow/lite/micro/tools/make/targets/hexagon_makefile.inc
+++ b/tensorflow/lite/micro/tools/make/targets/hexagon_makefile.inc
@@ -40,7 +40,6 @@ ifeq ($(TARGET), hexagon)
     -fdata-sections \
     -ffunction-sections \
     -fmessage-length=0 \
-    -fno-builtin \
     -fno-delete-null-pointer-checks \
     -fno-exceptions \
     -fno-register-global-dtors-with-atexit \
diff --git a/tensorflow/lite/micro/tools/make/targets/mcu_riscv_makefile.inc b/tensorflow/lite/micro/tools/make/targets/mcu_riscv_makefile.inc
index 079c3c14f1e..b91b0a516f2 100644
--- a/tensorflow/lite/micro/tools/make/targets/mcu_riscv_makefile.inc
+++ b/tensorflow/lite/micro/tools/make/targets/mcu_riscv_makefile.inc
@@ -16,7 +16,6 @@ ifeq ($(TARGET), riscv32_mcu)
     -DTF_LITE_MCU_DEBUG_LOG \
     -DTF_LITE_USE_GLOBAL_CMATH_FUNCTIONS \
     -fno-unwind-tables \
-    -fno-builtin \
     -ffunction-sections \
     -fdata-sections \
     -funsigned-char \
diff --git a/tensorflow/lite/micro/tools/make/targets/stm32f4_makefile.inc b/tensorflow/lite/micro/tools/make/targets/stm32f4_makefile.inc
index 7abd3cc7e38..5114aa4620c 100644
--- a/tensorflow/lite/micro/tools/make/targets/stm32f4_makefile.inc
+++ b/tensorflow/lite/micro/tools/make/targets/stm32f4_makefile.inc
@@ -16,7 +16,6 @@ ifeq ($(TARGET), stm32f4)
     -fmessage-length=0 \
     -fno-exceptions \
     -fno-unwind-tables \
-    -fno-builtin \
     -ffunction-sections \
     -fdata-sections \
     -funsigned-char \