diff --git a/.travis.yml b/.travis.yml
index 1df3c80..15eb87a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,11 +11,6 @@ env:
   global:
    - JAVA_HOME=/usr/lib/jvm/java-8-oracle
   matrix:
-    - GHCVER=7.8  ESVER=1.3.6 STACK_YAML=stack-7.8.yaml ESFLAG=ES1 DLINK=https://download.elastic.co/elasticsearch/elasticsearch/elasticsearch
-    - GHCVER=7.8  ESVER=1.4.1 STACK_YAML=stack-7.8.yaml ESFLAG=ES1 DLINK=https://download.elastic.co/elasticsearch/elasticsearch/elasticsearch
-    - GHCVER=7.10 ESVER=1.5.2 STACK_YAML=stack-7.10.yaml ESFLAG=ES1 DLINK=https://download.elastic.co/elasticsearch/elasticsearch/elasticsearch
-    - GHCVER=7.10 ESVER=1.6.0 STACK_YAML=stack-7.10.yaml ESFLAG=ES1 DLINK=https://download.elastic.co/elasticsearch/elasticsearch/elasticsearch
-    - GHCVER=7.10 ESVER=1.7.6 STACK_YAML=stack-7.10.yaml ESFLAG=ES1 DLINK=https://download.elastic.co/elasticsearch/elasticsearch/elasticsearch
     - GHCVER=8.0  ESVER=1.7.6 STACK_YAML=stack-8.0.yaml ESFLAG=ES1 DLINK=https://download.elastic.co/elasticsearch/elasticsearch/elasticsearch
     - GHCVER=8.0  ESVER=5.0.2 STACK_YAML=stack-8.0.yaml ESFLAG=ES5 DLINK=https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch ES_JAVA_OPTS="-Xms500m -Xmx750m"
     - GHCVER=8.2  ESVER=1.7.6 STACK_YAML=stack.yaml ESFLAG=ES1 DLINK=https://download.elastic.co/elasticsearch/elasticsearch/elasticsearch
diff --git a/stack-7.10.yaml b/stack-7.10.yaml
deleted file mode 100644
index d1b418e..0000000
--- a/stack-7.10.yaml
+++ /dev/null
@@ -1,21 +0,0 @@
-flags:
-  bloodhound-examples:
-    werror: true
-packages:
-- '.'
-- './examples'
-extra-deps:
-- http-client-0.5.0
-- aeson-1.2.0.0
-- fail-4.9.0.0
-- http-types-0.9
-- attoparsec-0.13.0.1
-- quickcheck-properties-0.1
-- semigroups-0.18.3
-- uri-bytestring-0.1.9
-- temporary-resourcet-0.1.0.0
-- transformers-compat-0.5.1.4
-- pretty-simple-2.0.2.0
-- quickcheck-arbitrary-template-0.2.0.0
-
-resolver: lts-6.12
diff --git a/stack-7.8.yaml b/stack-7.8.yaml
deleted file mode 100644
index af7834f..0000000
--- a/stack-7.8.yaml
+++ /dev/null
@@ -1,25 +0,0 @@
-flags:
-  aeson:
-    old-locale: true
-  bloodhound-examples:
-    werror: true
-packages:
-- '.'
-- './examples'
-extra-deps:
-- aeson-0.11.1.0
-- fail-4.9.0.0
-- http-types-0.9
-- http-client-0.5.0
-- attoparsec-0.13.0.1
-- quickcheck-properties-0.1
-- semigroups-0.18.0.1
-- tagged-0.8.3
-- uri-bytestring-0.1.9
-- void-0.7.1
-- generics-sop-0.2.2.0
-- unordered-containers-0.2.6.0
-- pretty-simple-2.0.2.0
-- quickcheck-arbitrary-template-0.2.0.0
-
-resolver: lts-2.18