diff --git a/Android.mk b/Android.mk
index cbc093c..66e651d 100644
--- a/Android.mk
+++ b/Android.mk
@@ -37,11 +37,6 @@
 OPENCL_HEADER_PATH := $(LOCAL_PATH)/clframework/include
 NN_HEADER_PATH := $(LOCAL_PATH)/../../../frameworks/ml/nn/runtime/include
 
-# Get ArmNN's version from file
-get_version_number = $(shell sed -n 's/.*$1  *\([0-9*]\)/\1/p' $(LOCAL_PATH)/armnn/ArmnnVersion.txt)
-ARMNN_VERSION := 20$(call get_version_number,ARMNN_MAJOR_VERSION)$(call get_version_number,ARMNN_MINOR_VERSION)$(call get_version_number,ARMNN_PATCH_VERSION)
-$(info android-nn-driver ARMNN_VERSION: $(ARMNN_VERSION))
-
 # Variables to control CL/NEON/reference backend support
 # Set them to '0' to disable support for a specific backend
 ARMNN_COMPUTE_CL_ENABLED := 1
@@ -87,8 +82,7 @@
         -std=$(CPP_VERSION) \
         -fexceptions \
         -Werror \
-        -Wno-format-security \
-        -DARMNN_VERSION_FROM_FILE=$(ARMNN_VERSION)
+        -Wno-format-security
 
 ifeq ($(P_OR_LATER),1)
 # Required to build with the changes made to the Android ML framework starting from Android P,
@@ -211,7 +205,6 @@
         -fexceptions \
         -Werror \
         -Wno-format-security \
-        -DARMNN_VERSION_FROM_FILE=$(ARMNN_VERSION) \
         -DARMNN_ANDROID_P \
         -DARMNN_ANDROID_NN_V1_1
 
@@ -321,7 +314,6 @@
         -fexceptions \
         -Werror \
         -Wno-format-security \
-        -DARMNN_VERSION_FROM_FILE=$(ARMNN_VERSION) \
         -DARMNN_ANDROID_Q \
         -DARMNN_ANDROID_NN_V1_2
 
@@ -429,8 +421,7 @@
 
 LOCAL_CFLAGS := \
         -std=$(CPP_VERSION) \
-        -fexceptions \
-        -DARMNN_VERSION_FROM_FILE=$(ARMNN_VERSION)
+        -fexceptions
 
 ifeq ($(ARMNN_DRIVER_DEBUG),1)
 LOCAL_CFLAGS += \
@@ -522,7 +513,6 @@
 LOCAL_CFLAGS := \
         -std=$(CPP_VERSION) \
         -fexceptions \
-        -DARMNN_VERSION_FROM_FILE=$(ARMNN_VERSION) \
         -DARMNN_ANDROID_NN_V1_1
 
 ifeq ($(ARMNN_DRIVER_DEBUG),1)
@@ -607,7 +597,6 @@
 LOCAL_CFLAGS := \
         -std=$(CPP_VERSION) \
         -fexceptions \
-        -DARMNN_VERSION_FROM_FILE=$(ARMNN_VERSION) \
         -DARMNN_ANDROID_NN_V1_2 \
         -DBOOST_NO_AUTO_PTR
 
diff --git a/test/Android.mk b/test/Android.mk
index 68e8c7d..93bfa69 100644
--- a/test/Android.mk
+++ b/test/Android.mk
@@ -12,11 +12,6 @@
 ARMNN_HEADER_PATH := $(LOCAL_PATH)/../armnn/include
 ARMNN_DRIVER_HEADER_PATH := $(LOCAL_PATH)/..
 
-# Get ArmNN's version from file
-get_version_number = $(shell sed -n 's/.*$1  *\([0-9*]\)/\1/p' $(LOCAL_PATH)/../armnn/ArmnnVersion.txt)
-ARMNN_VERSION := 20$(call get_version_number,ARMNN_MAJOR_VERSION)$(call get_version_number,ARMNN_MINOR_VERSION)$(call get_version_number,ARMNN_PATCH_VERSION)
-$(info android-nn-driver/test ARMNN_VERSION: $(ARMNN_VERSION))
-
 ##########################
 # armnn-driver-tests@1.0 #
 ##########################
@@ -45,8 +40,7 @@
         -fexceptions \
         -Werror \
         -O0 \
-        -UNDEBUG \
-        -DARMNN_VERSION_FROM_FILE=$(ARMNN_VERSION)
+        -UNDEBUG
 
 ifeq ($(P_OR_LATER),1)
 # Required to build with the changes made to the Android ML framework starting from Android P,
@@ -154,7 +148,6 @@
         -Werror \
         -O0 \
         -UNDEBUG \
-        -DARMNN_VERSION_FROM_FILE=$(ARMNN_VERSION) \
         -DARMNN_ANDROID_P \
         -DARMNN_ANDROID_NN_V1_1
 
@@ -252,7 +245,6 @@
         -Werror \
         -O0 \
         -UNDEBUG \
-        -DARMNN_VERSION_FROM_FILE=$(ARMNN_VERSION) \
         -DARMNN_ANDROID_Q \
         -DARMNN_ANDROID_NN_V1_2