diff --git a/build/gcc-tools.mk b/build/gcc-tools.mk
index 58369dda0d..74efb867c0 100644
--- a/build/gcc-tools.mk
+++ b/build/gcc-tools.mk
@@ -32,6 +32,6 @@ CPPFLAGS += -Wno-unused-private-field
 endif
 
 ifeq ($(BUILD_STANDALONE_LIB),y)
-CFLAGS += -fPIC -fpic -rdynamic
-LDFLAGS += -fPIC -fpic -rdynamic
+CFLAGS += -fPIC -fpic -rdynamic -fno-plt
+LDFLAGS += -fPIC -fpic -rdynamic -fno-plt
 endif
diff --git a/build/module-defaults.mk b/build/module-defaults.mk
index 7a5c450c67..855755c7aa 100644
--- a/build/module-defaults.mk
+++ b/build/module-defaults.mk
@@ -62,8 +62,8 @@ CFLAGS += -Wno-error=type-limits
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -DSPARK=1 -DPARTICLE=1
 CFLAGS += -Werror=return-type
-
 CFLAGS += -Wundef
+CFLAGS += -Wno-error=cast-function-type
 
 ifdef START_DFU_FLASHER_SERIAL_SPEED
 CFLAGS += -DSTART_DFU_FLASHER_SERIAL_SPEED=$(START_DFU_FLASHER_SERIAL_SPEED)
diff --git a/third_party/mbedtls/build.mk b/third_party/mbedtls/build.mk
index 0d475cb797..a2ff38ed8d 100644
--- a/third_party/mbedtls/build.mk
+++ b/third_party/mbedtls/build.mk
@@ -2,3 +2,4 @@ TARGET_MBEDTLS_SRC_PATH = $(MBEDTLS_MODULE_PATH)/mbedtls/library
 
 # C source files included in this build.
 CSRC += $(call target_files,$(TARGET_MBEDTLS_SRC_PATH)/,*.c)
+CFLAGS += -Wno-error=array-parameter
\ No newline at end of file