diff --git a/platforms/cc3200/Makefile.build b/platforms/cc3200/Makefile.build
index 630966f1d..dbf5a01ed 100644
--- a/platforms/cc3200/Makefile.build
+++ b/platforms/cc3200/Makefile.build
@@ -1,4 +1,4 @@
-MAKEFLAGS += --warn-undefined-variables
+MAKEFLAGS += --no-builtin-rules --warn-undefined-variables
 .DEFAULT_GOAL := all
 
 ifdef MGOS_VARS_FILE
diff --git a/platforms/cc3200/boot/Makefile.build b/platforms/cc3200/boot/Makefile.build
index afd3eee6a..00cccedf2 100644
--- a/platforms/cc3200/boot/Makefile.build
+++ b/platforms/cc3200/boot/Makefile.build
@@ -2,7 +2,7 @@
 #
 # Mongoose OS Firmware boot loader for CC3200
 #
-MAKEFLAGS += --warn-undefined-variables
+MAKEFLAGS += --no-builtin-rules --warn-undefined-variables
 
 override APP = mg-boot
 override APP_PLATFORM = cc3200
diff --git a/platforms/cc3220/Makefile.build b/platforms/cc3220/Makefile.build
index 8316652a1..968813ebb 100644
--- a/platforms/cc3220/Makefile.build
+++ b/platforms/cc3220/Makefile.build
@@ -1,4 +1,4 @@
-MAKEFLAGS += --warn-undefined-variables
+MAKEFLAGS += --no-builtin-rules --warn-undefined-variables
 .DEFAULT_GOAL := all
 
 ifdef MGOS_VARS_FILE
diff --git a/platforms/esp32/Makefile.build b/platforms/esp32/Makefile.build
index 1c61e752f..c11249f48 100644
--- a/platforms/esp32/Makefile.build
+++ b/platforms/esp32/Makefile.build
@@ -1,4 +1,4 @@
-MAKEFLAGS += --warn-undefined-variables --silent
+MAKEFLAGS += --no-builtin-rules --warn-undefined-variables
 .DEFAULT_GOAL := all
 
 ifdef MGOS_VARS_FILE
diff --git a/platforms/esp8266/Makefile.build b/platforms/esp8266/Makefile.build
index 725f9accf..f3bce7410 100644
--- a/platforms/esp8266/Makefile.build
+++ b/platforms/esp8266/Makefile.build
@@ -1,4 +1,4 @@
-MAKEFLAGS += --warn-undefined-variables
+MAKEFLAGS += --no-builtin-rules --warn-undefined-variables
 .DEFAULT_GOAL := all
 
 ifdef MGOS_VARS_FILE
diff --git a/platforms/rs14100/Makefile.build b/platforms/rs14100/Makefile.build
index fa0f917e6..88648cc80 100644
--- a/platforms/rs14100/Makefile.build
+++ b/platforms/rs14100/Makefile.build
@@ -1,4 +1,4 @@
-MAKEFLAGS += --warn-undefined-variables
+MAKEFLAGS += --no-builtin-rules --warn-undefined-variables
 .DEFAULT_GOAL := all
 
 .PHONY: all clean
diff --git a/platforms/stm32/Makefile.build b/platforms/stm32/Makefile.build
index 3c30ed91e..963588dd2 100644
--- a/platforms/stm32/Makefile.build
+++ b/platforms/stm32/Makefile.build
@@ -1,4 +1,4 @@
-MAKEFLAGS += --warn-undefined-variables
+MAKEFLAGS += --no-builtin-rules --warn-undefined-variables
 .DEFAULT_GOAL := all
 
 .PHONY: all clean
diff --git a/platforms/ubuntu/Makefile.build b/platforms/ubuntu/Makefile.build
index 5c03cec15..21cf4e3af 100644
--- a/platforms/ubuntu/Makefile.build
+++ b/platforms/ubuntu/Makefile.build
@@ -2,7 +2,7 @@
 #
 # Mongoose OS for Ubuntu
 
-MAKEFLAGS += --warn-undefined-variables
+MAKEFLAGS += --no-builtin-rules --warn-undefined-variables
 .DEFAULT_GOAL := all
 
 MGOS_PATH ?= ../..