diff --git a/.travis.yml b/.travis.yml
index cc3b9f6..a99270c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -30,12 +30,16 @@ matrix:
     - os: linux
       env:
         - MB_PYTHON_VERSION=3.8
-        - NP_BUILD_DEP="numpy==1.18.0.dev0"
-        - NP_TEST_DEP="numpy==1.18.0.dev0"
+        - NP_BUILD_DEP="numpy==1.17.3"
+        - NP_TEST_DEP="numpy==1.17.3"
 
-    - os: linux
+    - os: osx
+      language: generic
       env:
-        - MB_PYTHON_VERSION=3.5
+        - MB_PYTHON_VERSION=3.8
+        - NP_BUILD_DEP="numpy==1.17.3"
+        - NP_TEST_DEP="numpy==1.17.3"
+
     - os: linux
       env:
         - MB_PYTHON_VERSION=3.6
@@ -48,14 +52,6 @@ matrix:
       env:
         - MB_PYTHON_VERSION=3.6
         - PLAT=i686
-    - os: osx
-      language: generic
-      env:
-        - MB_PYTHON_VERSION=3.5
-        - MB_PYTHON_OSX_VER=10.6 # no python.org 10.9 builds for 3.5
-        # WAR for setup_requires TLS issue with Python 3.5 on macOS
-        # see https://github.com/pandas-dev/pandas/issues/28954 
-        - EXTRA_BUILD_DEP="setuptools_scm"
     - os: osx
       language: generic
       env:
diff --git a/config.sh b/config.sh
index 57dbf89..63ad9b2 100644
--- a/config.sh
+++ b/config.sh
@@ -22,16 +22,6 @@ function build_wheel {
 }
 
 
-function pip_opts {
-    # Add pre-release index until official NumPy release with 3.8
-    if [ -n "$MANYLINUX_URL" ]; then
-        echo "--find-links $MANYLINUX_URL --find-links=https://7933911d6844c6c53a7d-47bd50c35cd79bd838daf386af554a83.ssl.cf2.rackcdn.com"
-    else
-        echo "--find-links=https://7933911d6844c6c53a7d-47bd50c35cd79bd838daf386af554a83.ssl.cf2.rackcdn.com"
-    fi
-}
-
-
 function run_tests {
     # Runs tests on installed distribution from an empty directory
     export PYTHONHASHSEED=$(python -c 'import random; print(random.randint(1, 4294967295))')