diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -488,7 +488,6 @@
 	blockfilter.cpp
 	blockindex.cpp
 	chain.cpp
-	checkpoints.cpp
 	config.cpp
 	consensus/activation.cpp
 	consensus/tx_verify.cpp
diff --git a/src/Makefile.am b/src/Makefile.am
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -138,7 +138,6 @@
   chainparamsbase.h \
   chainparamsconstants.h \
   chainparamsseeds.h \
-  checkpoints.h \
   checkqueue.h \
   clientversion.h \
   coins.h \
@@ -311,7 +310,6 @@
   blockfilter.cpp \
   blockindex.cpp \
   chain.cpp \
-  checkpoints.cpp \
   config.cpp \
   consensus/activation.cpp \
   consensus/tx_verify.cpp \
diff --git a/src/checkpoints.h b/src/checkpoints.h
deleted file mode 100644
--- a/src/checkpoints.h
+++ /dev/null
@@ -1,27 +0,0 @@
-// Copyright (c) 2009-2016 The Bitcoin Core developers
-// Distributed under the MIT software license, see the accompanying
-// file COPYING or http://www.opensource.org/licenses/mit-license.php.
-
-#ifndef BITCOIN_CHECKPOINTS_H
-#define BITCOIN_CHECKPOINTS_H
-
-class CBlockIndex;
-struct BlockHash;
-struct CCheckpointData;
-
-/**
- * Block-chain checkpoints are compiled-in sanity checks.
- * They are updated every release or three.
- */
-namespace Checkpoints {
-
-//! Returns true if block passes checkpoint checks
-bool CheckBlock(const CCheckpointData &data, int nHeight,
-                const BlockHash &hash);
-
-//! Returns last CBlockIndex* that is a checkpoint
-CBlockIndex *GetLastCheckpoint(const CCheckpointData &data);
-
-} // namespace Checkpoints
-
-#endif // BITCOIN_CHECKPOINTS_H
diff --git a/src/checkpoints.cpp b/src/checkpoints.cpp
deleted file mode 100644
--- a/src/checkpoints.cpp
+++ /dev/null
@@ -1,41 +0,0 @@
-// Copyright (c) 2009-2016 The Bitcoin Core developers
-// Distributed under the MIT software license, see the accompanying
-// file COPYING or http://www.opensource.org/licenses/mit-license.php.
-
-#include <checkpoints.h>
-
-#include <chainparams.h>
-#include <reverse_iterator.h>
-#include <validation.h>
-
-#include <cstdint>
-
-namespace Checkpoints {
-
-bool CheckBlock(const CCheckpointData &data, int nHeight,
-                const BlockHash &hash) {
-    const MapCheckpoints &checkpoints = data.mapCheckpoints;
-
-    MapCheckpoints::const_iterator i = checkpoints.find(nHeight);
-    if (i == checkpoints.end()) {
-        return true;
-    }
-    return hash == i->second;
-}
-
-CBlockIndex *GetLastCheckpoint(const CCheckpointData &data)
-    EXCLUSIVE_LOCKS_REQUIRED(cs_main) {
-    const MapCheckpoints &checkpoints = data.mapCheckpoints;
-
-    for (const MapCheckpoints::value_type &i : reverse_iterate(checkpoints)) {
-        const BlockHash &hash = i.second;
-        CBlockIndex *pindex = LookupBlockIndex(hash);
-        if (pindex) {
-            return pindex;
-        }
-    }
-
-    return nullptr;
-}
-
-} // namespace Checkpoints
diff --git a/src/init.cpp b/src/init.cpp
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -16,7 +16,6 @@
 #include <blockfilter.h>
 #include <chain.h>
 #include <chainparams.h>
-#include <checkpoints.h>
 #include <coins.h>
 #include <compat/sanity.h>
 #include <config.h>
diff --git a/src/qt/clientmodel.cpp b/src/qt/clientmodel.cpp
--- a/src/qt/clientmodel.cpp
+++ b/src/qt/clientmodel.cpp
@@ -4,7 +4,6 @@
 
 #include <qt/clientmodel.h>
 
-#include <checkpoints.h>
 #include <clientversion.h>
 #include <config.h>
 #include <interfaces/handler.h>
diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp
--- a/src/rpc/blockchain.cpp
+++ b/src/rpc/blockchain.cpp
@@ -9,7 +9,6 @@
 #include <blockfilter.h>
 #include <chain.h>
 #include <chainparams.h>
-#include <checkpoints.h>
 #include <coins.h>
 #include <config.h>
 #include <consensus/validation.h>
diff --git a/src/test/checkpoints_tests.cpp b/src/test/checkpoints_tests.cpp
--- a/src/test/checkpoints_tests.cpp
+++ b/src/test/checkpoints_tests.cpp
@@ -7,8 +7,6 @@
 // Unit tests for block-chain checkpoints
 //
 
-#include <checkpoints.h>
-
 #include <chain.h>
 #include <chainparams.h>
 #include <config.h>
diff --git a/src/validation.h b/src/validation.h
--- a/src/validation.h
+++ b/src/validation.h
@@ -14,6 +14,7 @@
 #include <amount.h>
 #include <blockfileinfo.h>
 #include <blockindexworkcomparator.h>
+#include <chainparams.h>
 #include <coins.h>
 #include <consensus/consensus.h>
 #include <disconnectresult.h>
@@ -649,6 +650,13 @@
                 const Consensus::Params &params,
                 BlockValidationOptions validationOptions);
 
+namespace Checkpoints {
+bool CheckBlock(const CCheckpointData &data, int nHeight,
+                const BlockHash &hash);
+CBlockIndex *GetLastCheckpoint(const CCheckpointData &data)
+    EXCLUSIVE_LOCKS_REQUIRED(cs_main);
+} // namespace Checkpoints
+
 /**
  * This is a variant of ContextualCheckTransaction which computes the contextual
  * check for a transaction based on the chain tip.
diff --git a/src/validation.cpp b/src/validation.cpp
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -9,8 +9,6 @@
 #include <arith_uint256.h>
 #include <avalanche/processor.h>
 #include <blockvalidity.h>
-#include <chainparams.h>
-#include <checkpoints.h>
 #include <checkqueue.h>
 #include <config.h>
 #include <consensus/activation.h>
@@ -26,6 +24,7 @@
 #include <policy/settings.h>
 #include <pow/pow.h>
 #include <primitives/block.h>
+#include <primitives/blockhash.h>
 #include <primitives/transaction.h>
 #include <random.h>
 #include <reverse_iterator.h>
@@ -3499,6 +3498,33 @@
     return true;
 }
 
+namespace Checkpoints {
+bool CheckBlock(const CCheckpointData &data, int nHeight,
+                const BlockHash &hash) {
+    const MapCheckpoints &checkpoints = data.mapCheckpoints;
+
+    MapCheckpoints::const_iterator i = checkpoints.find(nHeight);
+    if (i == checkpoints.end()) {
+        return true;
+    }
+    return hash == i->second;
+}
+
+CBlockIndex *GetLastCheckpoint(const CCheckpointData &data) {
+    const MapCheckpoints &checkpoints = data.mapCheckpoints;
+
+    for (const MapCheckpoints::value_type &i : reverse_iterate(checkpoints)) {
+        const BlockHash &hash = i.second;
+        CBlockIndex *pindex = LookupBlockIndex(hash);
+        if (pindex) {
+            return pindex;
+        }
+    }
+
+    return nullptr;
+}
+} // namespace Checkpoints
+
 /**
  * Context-dependent validity checks.
  * By "context", we mean only the previous block headers, but not the UTXO
diff --git a/test/lint/lint-circular-dependencies.sh b/test/lint/lint-circular-dependencies.sh
--- a/test/lint/lint-circular-dependencies.sh
+++ b/test/lint/lint-circular-dependencies.sh
@@ -33,7 +33,6 @@
     "script/scriptcache -> validation -> script/scriptcache"
     "seeder/bitcoin -> seeder/db -> seeder/bitcoin"
     "chainparams -> protocol -> config -> chainparams"
-    "checkpoints -> validation -> checkpoints"
 )
 
 EXIT_CODE=0