diff --git a/BUCK b/BUCK
index 78dd806..d6a6b24 100644
--- a/BUCK
+++ b/BUCK
@@ -5,7 +5,7 @@
 # LICENSE file in the root directory of this source tree. An additional grant
 # of patent rights can be found in the PATENTS file in the same directory.
 
-include_defs('//CSSLAYOUT_DEFS')
+include_defs('//YOGA_DEFS')
 
 BASE_COMPILER_FLAGS = [
   '-fno-omit-frame-pointer',
diff --git a/CSSLayoutKit/BUCK b/CSSLayoutKit/BUCK
index 2f9f570..224d68b 100644
--- a/CSSLayoutKit/BUCK
+++ b/CSSLayoutKit/BUCK
@@ -5,7 +5,7 @@
 # LICENSE file in the root directory of this source tree. An additional grant
 # of patent rights can be found in the PATENTS file in the same directory.
 
-include_defs('//CSSLAYOUT_DEFS')
+include_defs('//YOGA_DEFS')
 
 UIKIT_CSSLAYOUT_COMPILER_FLAGS = [
   '-fobjc-arc',
diff --git a/CSSLAYOUT_DEFS b/YOGA_DEFS
similarity index 100%
rename from CSSLAYOUT_DEFS
rename to YOGA_DEFS
diff --git a/benchmark/BUCK b/benchmark/BUCK
index 918600b..4fafe0d 100644
--- a/benchmark/BUCK
+++ b/benchmark/BUCK
@@ -5,7 +5,7 @@
 # LICENSE file in the root directory of this source tree. An additional grant
 # of patent rights can be found in the PATENTS file in the same directory.
 
-include_defs('//CSSLAYOUT_DEFS')
+include_defs('//YOGA_DEFS')
 
 cxx_binary(
   name = 'benchmark',
diff --git a/java/BUCK b/java/BUCK
index 6cd8570..1588edd 100644
--- a/java/BUCK
+++ b/java/BUCK
@@ -5,7 +5,7 @@
 # LICENSE file in the root directory of this source tree. An additional grant
 # of patent rights can be found in the PATENTS file in the same directory.
 
-include_defs('//CSSLAYOUT_DEFS')
+include_defs('//YOGA_DEFS')
 
 cxx_library(
   name = 'jni',
diff --git a/java/com/facebook/proguard/annotations/BUCK b/java/com/facebook/proguard/annotations/BUCK
index f9bfb1a..86f1b22 100644
--- a/java/com/facebook/proguard/annotations/BUCK
+++ b/java/com/facebook/proguard/annotations/BUCK
@@ -5,7 +5,7 @@
 # LICENSE file in the root directory of this source tree. An additional grant
 # of patent rights can be found in the PATENTS file in the same directory.
 
-include_defs('//CSSLAYOUT_DEFS')
+include_defs('//YOGA_DEFS')
 
 java_library(
   name = 'annotations',
diff --git a/lib/fb/BUCK b/lib/fb/BUCK
index ea3fa8c..dfec53f 100644
--- a/lib/fb/BUCK
+++ b/lib/fb/BUCK
@@ -5,7 +5,7 @@
 # LICENSE file in the root directory of this source tree. An additional grant
 # of patent rights can be found in the PATENTS file in the same directory.
 
-include_defs('//CSSLAYOUT_DEFS')
+include_defs('//YOGA_DEFS')
 
 prebuilt_cxx_library(
   name = 'ndklog',
diff --git a/lib/gtest/BUCK b/lib/gtest/BUCK
index d2e136b..c5a6d79 100644
--- a/lib/gtest/BUCK
+++ b/lib/gtest/BUCK
@@ -5,7 +5,7 @@
 # LICENSE file in the root directory of this source tree. An additional grant
 # of patent rights can be found in the PATENTS file in the same directory.
 
-include_defs('//CSSLAYOUT_DEFS')
+include_defs('//YOGA_DEFS')
 
 COMPILER_FLAGS = [
   '-std=c++11',
diff --git a/lib/infer-annotations/BUCK b/lib/infer-annotations/BUCK
index 313f9e5..c826e87 100644
--- a/lib/infer-annotations/BUCK
+++ b/lib/infer-annotations/BUCK
@@ -5,7 +5,7 @@
 # LICENSE file in the root directory of this source tree. An additional grant
 # of patent rights can be found in the PATENTS file in the same directory.
 
-include_defs('//CSSLAYOUT_DEFS')
+include_defs('//YOGA_DEFS')
 
 prebuilt_jar(
   name = 'infer-annotations-jar',
diff --git a/lib/jsr-305/BUCK b/lib/jsr-305/BUCK
index c3f7472..ae66372 100644
--- a/lib/jsr-305/BUCK
+++ b/lib/jsr-305/BUCK
@@ -5,7 +5,7 @@
 # LICENSE file in the root directory of this source tree. An additional grant
 # of patent rights can be found in the PATENTS file in the same directory.
 
-include_defs('//CSSLAYOUT_DEFS')
+include_defs('//YOGA_DEFS')
 
 prebuilt_jar(
   name = 'jsr305-jar',
diff --git a/lib/junit/BUCK b/lib/junit/BUCK
index e35b053..9b26fd3 100644
--- a/lib/junit/BUCK
+++ b/lib/junit/BUCK
@@ -5,7 +5,7 @@
 # LICENSE file in the root directory of this source tree. An additional grant
 # of patent rights can be found in the PATENTS file in the same directory.
 
-include_defs('//CSSLAYOUT_DEFS')
+include_defs('//YOGA_DEFS')
 
 prebuilt_jar(
   name = 'junit-jar',
diff --git a/lib/soloader/BUCK b/lib/soloader/BUCK
index 8a9ce0a..077b4fc 100644
--- a/lib/soloader/BUCK
+++ b/lib/soloader/BUCK
@@ -5,7 +5,7 @@
 # LICENSE file in the root directory of this source tree. An additional grant
 # of patent rights can be found in the PATENTS file in the same directory.
 
-include_defs('//CSSLAYOUT_DEFS')
+include_defs('//YOGA_DEFS')
 
 android_prebuilt_aar(
   name = 'soloader',