diff --git a/.travis.yml b/.travis.yml
index f31dfb55..01549115 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,7 @@ sudo: false
 install: 
     - pip install tox
     - pip install cython
-    - make cythonize
+    - make build
 script: 
     - tox -v
 language: python
diff --git a/Makefile b/Makefile
index da42495f..d2489b38 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,6 @@ VERSION := $(shell python setup.py --version)
 CYTHON_SRC := $(shell find dependency_injector -name '*.pyx')
 
 CYTHON_DIRECTIVES =
-C_MACROS =
 
 ifdef DEPENDENCY_INJECTOR_DEBUG_MODE
 	CYTHON_DIRECTIVES += -Xprofile=True