diff --git a/.travis.yml b/.travis.yml
index 08d8dab50..2b30da259 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -33,7 +33,6 @@ env:
   # Release builds:
   - PYTHON_VERSION="2.7" BUILD_SHARED_LIBS="yes"
   - PYTHON_VERSION="2.7" WITH_MPFR="yes" INTEGER_CLASS="gmpxx" WITH_NUMPY="no"
-  - PYTHON_VERSION="3.3" WITH_MPC="yes"
   - PYTHON_VERSION="3.4" WITH_MPFR="yes"
   - PYTHON_VERSION="3.5" WITH_MPC="yes"
   - PYTHON_VERSION="3.6" WITH_MPC="yes" INTEGER_CLASS="flint" WITH_FLINT="yes"
diff --git a/README.md b/README.md
index b12e90839..56f713793 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@ See License section for information about wheels
 Install prerequisites.
 
     CMake       >= 2.8.7
-    Python2     >= 2.7      or Python3 >= 3.3
+    Python2     >= 2.7      or Python3 >= 3.4
     Cython      >= 0.19.1
     SymEngine   >= 0.2.0
 
diff --git a/setup.py b/setup.py
index 0092f754f..3cf3a75eb 100644
--- a/setup.py
+++ b/setup.py
@@ -240,7 +240,6 @@ def finalize_options(self):
         'Topic :: Scientific/Engineering :: Mathematics',
         'Topic :: Scientific/Engineering :: Physics',
         'Programming Language :: Python :: 2.7',
-        'Programming Language :: Python :: 3.3',
         'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
         ]