diff --git a/benchmarks/linker_relocation/regen/gen_bench.py b/benchmarks/linker_relocation/regen/gen_bench.py
index 61156ce..7482319 100755
--- a/benchmarks/linker_relocation/regen/gen_bench.py
+++ b/benchmarks/linker_relocation/regen/gen_bench.py
@@ -62,7 +62,7 @@
 ])
 
 # Skip these symbols so the benchmark runs on multiple C libraries (glibc, Bionic, musl).
-kBionicSymbolBlacklist: Set[str] = set([
+kBionicIgnoredSymbols: Set[str] = set([
     '__FD_ISSET_chk',
     '__FD_SET_chk',
     '__assert',
@@ -169,7 +169,7 @@
         nonlocal defs
         d = defs.get(name)
         if d is not None and d.soname in kBionicSonames:
-            if name in kBionicSymbolBlacklist: return None
+            if name in kBionicIgnoredSymbols: return None
             # Discard relocations to newer Bionic symbols, because there aren't many of them, and
             # they would limit where the benchmark can run.
             if ver == 'LIBC': return name
diff --git a/libc/tools/pylintrc b/libc/tools/pylintrc
index 2481b12..dd7dbf6 100644
--- a/libc/tools/pylintrc
+++ b/libc/tools/pylintrc
@@ -10,7 +10,7 @@
 # Profiled execution.
 profile=no
 
-# Add files or directories to the blacklist. They should be base names, not
+# Add files or directories to the ignore list. They should be base names, not
 # paths.
 ignore=CVS
 
diff --git a/tools/versioner/src/versioner.cpp b/tools/versioner/src/versioner.cpp
index 473f1f9..99228dd 100644
--- a/tools/versioner/src/versioner.cpp
+++ b/tools/versioner/src/versioner.cpp
@@ -141,7 +141,7 @@
   }
 
   auto new_end = std::remove_if(headers.begin(), headers.end(), [&arch](llvm::StringRef header) {
-    for (const auto& it : header_blacklist) {
+    for (const auto& it : ignored_headers) {
       if (it.second.find(arch) == it.second.end()) {
         continue;
       }
diff --git a/tools/versioner/src/versioner.h b/tools/versioner/src/versioner.h
index 5e53498..e9c4989 100644
--- a/tools/versioner/src/versioner.h
+++ b/tools/versioner/src/versioner.h
@@ -33,15 +33,11 @@
     }                      \
   } while (0)
 
-static const std::unordered_map<std::string, std::set<Arch>> header_blacklist = {
+static const std::unordered_map<std::string, std::set<Arch>> ignored_headers = {
   // Internal header.
+  // TODO: we should probably just admit we're never getting rid of this.
   { "sys/_system_properties.h", supported_archs },
 
   // time64.h #errors when included on LP64 archs.
   { "time64.h", { Arch::arm64, Arch::x86_64 } },
 };
-
-static const std::unordered_set<std::string> missing_symbol_whitelist = {
-  // atexit comes from crtbegin.
-  "atexit",
-};