diff --git a/boards/esp32_16M.json b/boards/esp32_16M.json
index 69abb9a09..7bcc0db53 100644
--- a/boards/esp32_16M.json
+++ b/boards/esp32_16M.json
@@ -4,7 +4,7 @@
       "ldscript": "esp32_out.ld"
     },
     "core": "esp32",
-    "extra_flags": "-DARDUINO_ESP32_DEV -DBOARD_HAS_PSRAM -DESP32_16M",
+    "extra_flags": "-DARDUINO_ESP32_DEV -DESP32_16M",
     "f_cpu": "80000000L",
     "f_flash": "40000000L",
     "flash_mode": "dout",
diff --git a/boards/esp32_4M.json b/boards/esp32_4M.json
index f43be6848..4f549bb3e 100644
--- a/boards/esp32_4M.json
+++ b/boards/esp32_4M.json
@@ -4,7 +4,7 @@
       "ldscript": "esp32_out.ld"
     },
     "core": "esp32",
-    "extra_flags": "-DARDUINO_ESP32_DEV -DBOARD_HAS_PSRAM -DESP32_4M",
+    "extra_flags": "-DARDUINO_ESP32_DEV -DESP32_4M",
     "f_cpu": "80000000L",
     "f_flash": "40000000L",
     "flash_mode": "dout",
diff --git a/boards/esp32_8M.json b/boards/esp32_8M.json
index adcd0caaa..616eb16d3 100644
--- a/boards/esp32_8M.json
+++ b/boards/esp32_8M.json
@@ -4,7 +4,7 @@
       "ldscript": "esp32_out.ld"
     },
     "core": "esp32",
-    "extra_flags": "-DARDUINO_ESP32_DEV -DBOARD_HAS_PSRAM -DESP32_8M",
+    "extra_flags": "-DARDUINO_ESP32_DEV -DESP32_8M",
     "f_cpu": "80000000L",
     "f_flash": "40000000L",
     "flash_mode": "dout",
diff --git a/boards/esp32_solo1_4M.json b/boards/esp32_solo1_4M.json
index eb9d242de..64759d331 100644
--- a/boards/esp32_solo1_4M.json
+++ b/boards/esp32_solo1_4M.json
@@ -4,7 +4,7 @@
       "ldscript": "esp32_out.ld"
     },
     "core": "esp32",
-    "extra_flags": "-DARDUINO_ESP32_DEV -DBOARD_HAS_PSRAM -DESP32_4M",
+    "extra_flags": "-DARDUINO_ESP32_DEV -DESP32_4M",
     "f_cpu": "80000000L",
     "f_flash": "40000000L",
     "flash_mode": "dout",