diff --git a/src/mainboard/google/gru/sdram_inf/gru-sdram-lpddr3-hynix-4GB.inc b/src/mainboard/google/gru/sdram_inf/gru-sdram-lpddr3-hynix-4GB.inc
index 41643f36b2..05ad2fdfc7 100644
--- a/src/mainboard/google/gru/sdram_inf/gru-sdram-lpddr3-hynix-4GB.inc
+++ b/src/mainboard/google/gru/sdram_inf/gru-sdram-lpddr3-hynix-4GB.inc
@@ -52,7 +52,7 @@
 			}
 		}
 	},
-	.ddr_freq = 928*MHz,
+	.ddr_freq = 300*MHz,
 	.dramtype = LPDDR3,
 	.num_channels = 2,
 	.stride = 13,
diff --git a/src/mainboard/google/gru/sdram_inf/kevin-sdram-lpddr3-hynix-4GB.inc b/src/mainboard/google/gru/sdram_inf/kevin-sdram-lpddr3-hynix-4GB.inc
index 31b45546c0..9a890af339 100644
--- a/src/mainboard/google/gru/sdram_inf/kevin-sdram-lpddr3-hynix-4GB.inc
+++ b/src/mainboard/google/gru/sdram_inf/kevin-sdram-lpddr3-hynix-4GB.inc
@@ -51,7 +51,7 @@
 			}
 		}
 	},
-	.ddr_freq = 666*MHz,
+	.ddr_freq = 300*MHz,
 	.dramtype = LPDDR3,
 	.num_channels = 2,
 	.stride = 13,