diff --git a/ci/test/00_setup_env_native_valgrind.sh b/ci/test/00_setup_env_native_valgrind.sh
index f112aa87f9..2a7b32cefc 100644
--- a/ci/test/00_setup_env_native_valgrind.sh
+++ b/ci/test/00_setup_env_native_valgrind.sh
@@ -10,7 +10,6 @@ export CONTAINER_NAME=ci_native_valgrind
 export PACKAGES="valgrind clang llvm python3-zmq libevent-dev bsdmainutils libboost-system-dev libboost-filesystem-dev libboost-test-dev libboost-thread-dev libdb5.3++-dev libminiupnpc-dev libzmq3-dev"
 export USE_VALGRIND=1
 export NO_DEPENDS=1
-export TEST_RUNNER_EXTRA="--exclude feature_abortnode,feature_block,rpc_bind"  # Excluded for now
-export RUN_FUNCTIONAL_TESTS=true
+export TEST_RUNNER_EXTRA="--exclude rpc_bind"  # Excluded for now, see https://github.com/bitcoin/bitcoin/issues/17765#issuecomment-602068547
 export GOAL="install"
 export BITCOIN_CONFIG="--enable-zmq --with-incompatible-bdb --with-gui=no CC=clang CXX=clang++"  # TODO enable GUI
diff --git a/test/functional/feature_abortnode.py b/test/functional/feature_abortnode.py
index 9b878e8bf8..e47e709431 100755
--- a/test/functional/feature_abortnode.py
+++ b/test/functional/feature_abortnode.py
@@ -14,11 +14,12 @@ from test_framework.test_framework import BitcoinTestFramework
 from test_framework.util import wait_until, get_datadir_path, connect_nodes
 import os
 
-class AbortNodeTest(BitcoinTestFramework):
 
+class AbortNodeTest(BitcoinTestFramework):
     def set_test_params(self):
         self.setup_clean_chain = True
         self.num_nodes = 2
+        self.rpc_timeout = 240
 
     def setup_network(self):
         self.setup_nodes()
@@ -44,5 +45,6 @@ class AbortNodeTest(BitcoinTestFramework):
         self.log.info("Node crashed - now verifying restart fails")
         self.nodes[0].assert_start_raises_init_error()
 
+
 if __name__ == '__main__':
     AbortNodeTest().main()
diff --git a/test/functional/feature_block.py b/test/functional/feature_block.py
index 9e8e11e64f..0c591de869 100755
--- a/test/functional/feature_block.py
+++ b/test/functional/feature_block.py
@@ -1263,7 +1263,7 @@ class FullBlockTest(BitcoinTestFramework):
             self.save_spendable_output()
             spend = self.get_spendable_output()
 
-        self.send_blocks(blocks, True, timeout=1920)
+        self.send_blocks(blocks, True, timeout=2440)
         chain1_tip = i
 
         # now create alt chain of same length
@@ -1275,14 +1275,14 @@ class FullBlockTest(BitcoinTestFramework):
 
         # extend alt chain to trigger re-org
         block = self.next_block("alt" + str(chain1_tip + 1), version=4)
-        self.send_blocks([block], True, timeout=1920)
+        self.send_blocks([block], True, timeout=2440)
 
         # ... and re-org back to the first chain
         self.move_tip(chain1_tip)
         block = self.next_block(chain1_tip + 1, version=4)
         self.send_blocks([block], False, force_send=True)
         block = self.next_block(chain1_tip + 2, version=4)
-        self.send_blocks([block], True, timeout=1920)
+        self.send_blocks([block], True, timeout=2440)
 
         self.log.info("Reject a block with an invalid block header version")
         b_v1 = self.next_block('b_v1', version=1)