refactor: Remove unused LogPrintf

diff --git a/doc/developer-notes.md b/doc/developer-notes.md
index 106533b7..d17f8024 100644
--- a/doc/developer-notes.md
+++ b/doc/developer-notes.md
@@ -752,8 +752,7 @@ logging messages. They should be used as follows:
   messages or for infrequent and important events such as a new block tip
   being found or a new outbound connection being made. These log messages
   are unconditional, so care must be taken that they can't be used by an
-  attacker to fill up storage. Note that `LogPrintf(fmt, params...)` is
-  a deprecated alias for `LogInfo`.
+  attacker to fill up storage.
 
 - `LogError(fmt, params...)` should be used in place of `LogInfo` for
   severe problems that require the node (or a subsystem) to shut down
diff --git a/src/logging.h b/src/logging.h
index defff61d..4a6f1d16 100644
--- a/src/logging.h
+++ b/src/logging.h
@@ -369,9 +369,6 @@ inline void LogPrintFormatInternal(std::source_location&& source_loc, BCLog::Log
 #define LogWarning(...) LogPrintLevel_(BCLog::LogFlags::ALL, BCLog::Level::Warning, /*should_ratelimit=*/true, __VA_ARGS__)
 #define LogError(...) LogPrintLevel_(BCLog::LogFlags::ALL, BCLog::Level::Error, /*should_ratelimit=*/true, __VA_ARGS__)
 
-// Deprecated unconditional logging.
-#define LogPrintf(...) LogInfo(__VA_ARGS__)
-
 // Use a macro instead of a function for conditional logging to prevent
 // evaluating arguments when logging for the category is not enabled.
 
diff --git a/src/test/logging_tests.cpp b/src/test/logging_tests.cpp
index 692d3eda..42658e94 100644
--- a/src/test/logging_tests.cpp
+++ b/src/test/logging_tests.cpp
@@ -142,15 +142,13 @@ BOOST_FIXTURE_TEST_CASE(logging_LogPrintStr, LogSetup)
 BOOST_FIXTURE_TEST_CASE(logging_LogPrintMacrosDeprecated, LogSetup)
 {
     LogInstance().EnableCategory(BCLog::NET);
-    LogInfo("foo5: %s\n", "bar5");
     LogPrintLevel(BCLog::NET, BCLog::Level::Trace, "foo4: %s\n", "bar4"); // not logged
     LogPrintLevel(BCLog::NET, BCLog::Level::Debug, "foo7: %s\n", "bar7");
     LogPrintLevel(BCLog::NET, BCLog::Level::Info, "foo8: %s\n", "bar8");
     LogPrintLevel(BCLog::NET, BCLog::Level::Warning, "foo9: %s\n", "bar9");
     LogPrintLevel(BCLog::NET, BCLog::Level::Error, "foo10: %s\n", "bar10");
     std::vector<std::string> log_lines{ReadDebugLogLines()};
-    std::vector<std::string> expected = {
-        "foo5: bar5",
+    std::vector<std::string> expected{
         "[net] foo7: bar7",
         "[net:info] foo8: bar8",
         "[net:warning] foo9: bar9",