diff --git a/platformio/builder/scripts/atmelavr.py b/platformio/builder/scripts/atmelavr.py
index 6cb008be..65d1ce41 100644
--- a/platformio/builder/scripts/atmelavr.py
+++ b/platformio/builder/scripts/atmelavr.py
@@ -33,10 +33,10 @@ env.Replace(
     CCFLAGS=[
         "-g",  # include debugging info (so errors include line numbers)
         "-Os",  # optimize for size
-        "-Wall",  # show warnings
+        # "-Wall",  # show warnings
         "-ffunction-sections",  # place each function in its own section
         "-fdata-sections",
-        "-MMD",  # output dependancy info
+        "-MMD",  # output dependency info
         "-mmcu=$BOARD_MCU"
     ],
 
diff --git a/platformio/builder/scripts/timsp430.py b/platformio/builder/scripts/timsp430.py
index 6a82a0e3..2a1ffbec 100644
--- a/platformio/builder/scripts/timsp430.py
+++ b/platformio/builder/scripts/timsp430.py
@@ -33,7 +33,7 @@ env.Replace(
     CCFLAGS=[
         "-g",  # include debugging info (so errors include line numbers)
         "-Os",  # optimize for size
-        "-Wall",  # show warnings
+        # "-Wall",  # show warnings
         "-ffunction-sections",  # place each function in its own section
         "-fdata-sections",
         "-MMD",  # output dependancy info
diff --git a/platformio/builder/scripts/titiva.py b/platformio/builder/scripts/titiva.py
index ffb538d0..1440b33e 100644
--- a/platformio/builder/scripts/titiva.py
+++ b/platformio/builder/scripts/titiva.py
@@ -37,7 +37,7 @@ env.Replace(
     CCFLAGS=[
         "-g",  # include debugging info (so errors include line numbers)
         "-Os",  # optimize for size
-        "-Wall",  # show warnings
+        # "-Wall",  # show warnings
         "-ffunction-sections",  # place each function in its own section
         "-fdata-sections",
         "-Wall",