diff --git a/arm-multilib/json/variants/armv4t.json b/arm-multilib/json/variants/armv4t.json
index 63a07866..83a4553d 100644
--- a/arm-multilib/json/variants/armv4t.json
+++ b/arm-multilib/json/variants/armv4t.json
@@ -21,9 +21,9 @@
         "picolibc": {
             "PICOLIBC_BUILD_TYPE": "minsize",
             "ENABLE_CXX_LIBS": "ON",
-            "ENABLE_LIBC_TESTS": "OFF",
-            "ENABLE_COMPILER_RT_TESTS": "OFF",
-            "ENABLE_LIBCXX_TESTS": "OFF"
+            "ENABLE_LIBC_TESTS": "ON",
+            "ENABLE_COMPILER_RT_TESTS": "ON",
+            "ENABLE_LIBCXX_TESTS": "ON"
         },
         "newlib": {
             "ENABLE_CXX_LIBS": "ON",
@@ -38,4 +38,4 @@
             "ENABLE_LIBCXX_TESTS": "OFF"
         }
     }
-}
\ No newline at end of file
+}
diff --git a/arm-multilib/json/variants/armv5te.json b/arm-multilib/json/variants/armv5te.json
index 76f67f35..55c7b4a1 100644
--- a/arm-multilib/json/variants/armv5te.json
+++ b/arm-multilib/json/variants/armv5te.json
@@ -21,9 +21,9 @@
         "picolibc": {
             "PICOLIBC_BUILD_TYPE": "minsize",
             "ENABLE_CXX_LIBS": "ON",
-            "ENABLE_LIBC_TESTS": "OFF",
-            "ENABLE_COMPILER_RT_TESTS": "OFF",
-            "ENABLE_LIBCXX_TESTS": "OFF"
+            "ENABLE_LIBC_TESTS": "ON",
+            "ENABLE_COMPILER_RT_TESTS": "ON",
+            "ENABLE_LIBCXX_TESTS": "ON"
         },
         "newlib": {
             "ENABLE_CXX_LIBS": "ON",
@@ -38,4 +38,4 @@
             "ENABLE_LIBCXX_TESTS": "OFF"
         }
     }
-}
\ No newline at end of file
+}