diff --git a/src/net/BUILD.gn b/src/net/BUILD.gn
index db236f5bc2..73d8018676 100644
--- a/src/net/BUILD.gn
+++ b/src/net/BUILD.gn
@@ -1140,7 +1140,6 @@ component("net") {
       "android/radio_activity_tracker.h",
       "android/traffic_stats.h",
       "cert/cert_verify_proc_android.h",
-      "cert/test_root_certs_android.cc",
       "proxy_resolution/proxy_config_service_android.h",
     ]
   }
@@ -1182,6 +1181,7 @@ component("net") {
       "base/network_interfaces_linux.cc",
       "base/network_interfaces_linux.h",
       "base/platform_mime_util_linux.cc",
+      "cert/test_root_certs_builtin.cc",
     ]
   }
 
diff --git a/src/net/cert/cert_verifier.cc b/src/net/cert/cert_verifier.cc
index 1868cd7542..036c7382c6 100644
--- a/src/net/cert/cert_verifier.cc
+++ b/src/net/cert/cert_verifier.cc
@@ -87,7 +87,8 @@ std::unique_ptr<CertVerifier> CertVerifier::CreateDefaultWithoutCaching(
   }
 #endif
   if (!verify_proc) {
-#if BUILDFLAG(IS_FUCHSIA) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
+#if BUILDFLAG(IS_FUCHSIA) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || \
+    BUILDFLAG(IS_ANDROID)
     verify_proc =
         CertVerifyProc::CreateBuiltinVerifyProc(std::move(cert_net_fetcher));
 #else
diff --git a/src/net/cert/cert_verify_proc.cc b/src/net/cert/cert_verify_proc.cc
index 4443323d35..6ff9a87b77 100644
--- a/src/net/cert/cert_verify_proc.cc
+++ b/src/net/cert/cert_verify_proc.cc
@@ -52,7 +52,8 @@
 #include "url/url_canon.h"
 
 #if BUILDFLAG(IS_FUCHSIA) || BUILDFLAG(USE_NSS_CERTS) || BUILDFLAG(IS_MAC) || \
-    BUILDFLAG(CHROME_ROOT_STORE_SUPPORTED)
+    BUILDFLAG(CHROME_ROOT_STORE_SUPPORTED) || BUILDFLAG(IS_ANDROID) ||        \
+    BUILDFLAG(IS_LINUX)
 #include "net/cert/cert_verify_proc_builtin.h"
 #endif
 
@@ -506,7 +507,8 @@ base::Value CertVerifyParams(X509Certificate* cert,
 
 }  // namespace
 
-#if !(BUILDFLAG(IS_FUCHSIA) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS))
+#if !(BUILDFLAG(IS_FUCHSIA) || BUILDFLAG(IS_LINUX) || \
+      BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_ANDROID))
 // static
 scoped_refptr<CertVerifyProc> CertVerifyProc::CreateSystemVerifyProc(
     scoped_refptr<CertNetFetcher> cert_net_fetcher) {
@@ -525,7 +527,8 @@ scoped_refptr<CertVerifyProc> CertVerifyProc::CreateSystemVerifyProc(
 }
 #endif
 
-#if BUILDFLAG(IS_FUCHSIA) || BUILDFLAG(USE_NSS_CERTS)
+#if BUILDFLAG(IS_FUCHSIA) || BUILDFLAG(USE_NSS_CERTS) || \
+    BUILDFLAG(IS_ANDROID) || BUILDFLAG(IS_LINUX)
 // static
 scoped_refptr<CertVerifyProc> CertVerifyProc::CreateBuiltinVerifyProc(
     scoped_refptr<CertNetFetcher> cert_net_fetcher) {
diff --git a/src/net/cert/cert_verify_proc.h b/src/net/cert/cert_verify_proc.h
index 0ffd556702..1d69500263 100644
--- a/src/net/cert/cert_verify_proc.h
+++ b/src/net/cert/cert_verify_proc.h
@@ -81,14 +81,16 @@ class NET_EXPORT CertVerifyProc
     kMaxValue = kOther
   };
 
-#if !(BUILDFLAG(IS_FUCHSIA) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS))
+#if !(BUILDFLAG(IS_FUCHSIA) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || \
+      BUILDFLAG(IS_ANDROID))
   // Creates and returns a CertVerifyProc that uses the system verifier.
   // |cert_net_fetcher| may not be used, depending on the implementation.
   static scoped_refptr<CertVerifyProc> CreateSystemVerifyProc(
       scoped_refptr<CertNetFetcher> cert_net_fetcher);
 #endif
 
-#if BUILDFLAG(IS_FUCHSIA) || BUILDFLAG(USE_NSS_CERTS)
+#if BUILDFLAG(IS_FUCHSIA) || BUILDFLAG(USE_NSS_CERTS) || \
+    BUILDFLAG(IS_ANDROID) || BUILDFLAG(IS_LINUX)
   // Creates and returns a CertVerifyProcBuiltin using the SSL SystemTrustStore.
   static scoped_refptr<CertVerifyProc> CreateBuiltinVerifyProc(
       scoped_refptr<CertNetFetcher> cert_net_fetcher);
diff --git a/src/net/cert/ev_root_ca_metadata.h b/src/net/cert/ev_root_ca_metadata.h
index c568c640f4..a96d59648a 100644
--- a/src/net/cert/ev_root_ca_metadata.h
+++ b/src/net/cert/ev_root_ca_metadata.h
@@ -17,7 +17,7 @@
 #include "net/cert/x509_certificate.h"
 
 #if BUILDFLAG(USE_NSS_CERTS) || BUILDFLAG(IS_WIN) || BUILDFLAG(IS_APPLE) || \
-    BUILDFLAG(IS_FUCHSIA)
+    BUILDFLAG(IS_FUCHSIA) || BUILDFLAG(IS_ANDROID) || BUILDFLAG(IS_LINUX)
 // When not defined, the EVRootCAMetadata singleton is a dumb placeholder
 // implementation that will fail all EV lookup operations.
 #define PLATFORM_USES_CHROMIUM_EV_METADATA