From c191d3e09a43a0536b2ae14a7c8380969f4646a4 Mon Sep 17 00:00:00 2001
From: Dongdong Tian <seisman.info@gmail.com>
Date: Tue, 29 Sep 2020 21:26:55 -0400
Subject: [PATCH] Remove testing with GMT 6.1 branch (#582)

GMT 6.1.1 is already released, and the 6.1 branch won't be updated.
---
 .github/workflows/ci_tests_dev.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/ci_tests_dev.yaml b/.github/workflows/ci_tests_dev.yaml
index 8e08e5cf836..e73021b00bd 100644
--- a/.github/workflows/ci_tests_dev.yaml
+++ b/.github/workflows/ci_tests_dev.yaml
@@ -21,7 +21,7 @@ jobs:
       matrix:
         python-version: [3.8]
         os: [ubuntu-20.04, macOS-10.15]
-        gmt_git_ref: [6.1, master]
+        gmt_git_ref: [master]
     env:
       # LD_LIBRARY_PATH: ${{ github.workspace }}/gmt/lib:$LD_LIBRARY_PATH
       GMT_INSTALL_DIR: ${{ github.workspace }}/gmt-install-dir