diff --git a/src/lib/mathlib/math/filter/module.mk b/src/lib/mathlib/math/filter/module.mk
index fe92c8c70f..f5c0647c88 100644
--- a/src/lib/mathlib/math/filter/module.mk
+++ b/src/lib/mathlib/math/filter/module.mk
@@ -41,4 +41,3 @@ SRCS		 = LowPassFilter2p.cpp
 # current makefile name, since app.mk needs it.
 #
 APP_MAKEFILE	:= $(lastword $(MAKEFILE_LIST))
--include $(TOPDIR)/.config
diff --git a/src/lib/mathlib/module.mk b/src/lib/mathlib/module.mk
index 2146a14131..72bc7db8a1 100644
--- a/src/lib/mathlib/module.mk
+++ b/src/lib/mathlib/module.mk
@@ -49,7 +49,6 @@ SRCS		 = math/test/test.cpp \
 # current makefile name, since app.mk needs it.
 #
 APP_MAKEFILE	:= $(lastword $(MAKEFILE_LIST))
--include $(TOPDIR)/.config
 
 ifeq ($(CONFIG_ARCH_CORTEXM4)$(CONFIG_ARCH_FPU),yy)
 INCLUDE_DIRS	+= math/arm