diff --git a/api/.travis.yml b/api/.travis.yml
deleted file mode 100644
index 8156c577..00000000
--- a/api/.travis.yml
+++ /dev/null
@@ -1,7 +0,0 @@
-language: go
-go:
-- 1.10.x
-- 1.11.x
-notifications:
-  slack:
-    secure: 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
diff --git a/runtime/.travis.yml b/runtime/.travis.yml
deleted file mode 100644
index 1dbeee0b..00000000
--- a/runtime/.travis.yml
+++ /dev/null
@@ -1,7 +0,0 @@
-language: go
-go:
-- 1.9.4
-- 1.10.x
-notifications:
-  slack:
-    secure: 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
diff --git a/service/grpc/.travis.yml b/service/grpc/.travis.yml
deleted file mode 100644
index 96a32173..00000000
--- a/service/grpc/.travis.yml
+++ /dev/null
@@ -1,7 +0,0 @@
-language: go
-go:
-- 1.10.x
-- 1.11.x
-notifications:
-  slack:
-    secure: aEvhLbhujaGaKSrOokiG3//PaVHTIrc3fBpoRbCRqfZpyq6WREoapJJhF+tIpWWOwaC9GmChbD6aHo/jMUgwKXVyPSaNjiEL87YzUUpL8B2zslNp1rgfTg/LrzthOx3Q1TYwpaAl3to0fuHUVFX4yMeC2vuThq7WSXgMMxFCtbc=