diff --git a/.circleci/config.yml b/.circleci/config.yml
index 540ef78a..37be4a06 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -123,16 +123,6 @@ references:
       name: Run Gateway tests
       command: npm run test-gateway
 
-  env_neo4j34ee: &env_neo4j34ee
-      NEO4J_DIST: 'enterprise'
-      NEO4J_VERSION: '3.4.10'
-      APOC_VERSION: '3.4.0.4'
-      DATASTORE_VERSION: '3_4'
-  env_neo4j34ce: &env_neo4j34ce
-      NEO4J_DIST: 'community'
-      NEO4J_VERSION: '3.4.10'
-      APOC_VERSION: '3.4.0.4'
-      DATASTORE_VERSION: '3_4'
   env_neo4j35ce: &env_neo4j35ce
       NEO4J_DIST: 'community'
       NEO4J_VERSION: '3.5.21'
@@ -198,15 +188,6 @@ references:
 jobs:
 
   # Neo4j installations - cache these so fan out is faster
-  install_neo4j34ee:
-    docker: *node10
-    environment: *env_neo4j34ee
-    steps: *install_neo4j_steps
-
-  install_neo4j34ce:
-    docker: *node10
-    environment: *env_neo4j34ce
-    steps: *install_neo4j_steps
   
   install_neo4j35ce:
     docker: *node10
@@ -253,16 +234,6 @@ jobs:
     docker: *node8
     steps: *install_node_modules_steps
 
-  neo4j34ee_node8:
-    docker: *node8
-    environment: *env_neo4j34ee
-    steps: *run_tests_steps
-
-  neo4j34ce_node8:
-    docker: *node8
-    environment: *env_neo4j34ce
-    steps: *run_tests_steps
-
   neo4j35ce_node8:
     docker: *node8
     environment: *env_neo4j35ce
@@ -287,16 +258,6 @@ jobs:
   install_for_node10:
     docker: *node10
     steps: *install_node_modules_steps
-
-  neo4j34ee_node10:
-    docker: *node10
-    environment: *env_neo4j34ee
-    steps: *run_tests_steps
-  
-  neo4j34ce_node10:
-    docker: *node10
-    environment: *env_neo4j34ce
-    steps: *run_tests_steps
   
   neo4j35ce_node10:
     docker: *node10
@@ -343,16 +304,6 @@ jobs:
     docker: *node12
     steps: *install_node_modules_steps
 
-  neo4j34ee_node12:
-    docker: *node12
-    environment: *env_neo4j34ee
-    steps: *run_tests_steps
-
-  neo4j34ce_node12:
-    docker: *node12
-    environment: *env_neo4j34ce
-    steps: *run_tests_steps
-
   neo4j35ce_node12:
     docker: *node12
     environment: *env_neo4j35ce
@@ -378,16 +329,6 @@ jobs:
     docker: *node14
     steps: *install_node_modules_steps
 
-  neo4j34ee_node14:
-    docker: *node14
-    environment: *env_neo4j34ee
-    steps: *run_tests_steps
-
-  neo4j34ce_node14:
-    docker: *node14
-    environment: *env_neo4j34ce
-    steps: *run_tests_steps
-
   neo4j35ce_node14:
     docker: *node14
     environment: *env_neo4j35ce
@@ -416,8 +357,6 @@ workflows:
       - install_for_node10
       - install_for_node12
       - install_for_node14
-      - install_neo4j34ee
-      - install_neo4j34ce
       - install_neo4j35ce
       - install_neo4j35ee
       - install_neo4j40ce
@@ -427,14 +366,6 @@ workflows:
       - install_neo4j40_3ce
       - install_neo4j40_3ee
 
-      - neo4j34ee_node8:
-          requires:
-            - install_neo4j34ee
-            - install_for_node8
-      - neo4j34ce_node8:
-          requires:
-            - install_neo4j34ce
-            - install_for_node8
       - neo4j35ce_node8:
           requires:
             - install_neo4j35ce
@@ -452,14 +383,6 @@ workflows:
             - install_neo4j40ee
             - install_for_node8
 
-      - neo4j34ee_node10:
-          requires:
-            - install_neo4j34ee
-            - install_for_node10
-      - neo4j34ce_node10:
-          requires:
-            - install_neo4j34ce
-            - install_for_node10
       - neo4j35ce_node10:
           requires:
             - install_neo4j35ce
@@ -492,14 +415,6 @@ workflows:
           requires:
             - install_neo4j40_3ce
             - install_for_node10
-      - neo4j34ee_node12:
-          requires:
-            - install_neo4j34ee
-            - install_for_node12
-      - neo4j34ce_node12:
-          requires:
-            - install_neo4j34ce
-            - install_for_node12
       - neo4j35ce_node12:
           requires:
             - install_neo4j35ce
@@ -516,14 +431,6 @@ workflows:
           requires:
             - install_neo4j40ee
             - install_for_node12
-      - neo4j34ee_node14:
-          requires:
-            - install_neo4j34ee
-            - install_for_node14
-      - neo4j34ce_node14:
-          requires:
-            - install_neo4j34ce
-            - install_for_node14
       - neo4j35ce_node14:
           requires:
             - install_neo4j35ce