diff --git a/src/security/tpm/tspi/tspi.c b/src/security/tpm/tspi/tspi.c
index 966b8b7..5fcf92d 100644
--- a/src/security/tpm/tspi/tspi.c
+++ b/src/security/tpm/tspi/tspi.c
@@ -19,7 +19,6 @@
 #include <console/console.h>
 #include <security/tpm/tspi.h>
 #include <security/tpm/tss.h>
-#include <stdlib.h>
 #if CONFIG(VBOOT)
 #include <vb2_api.h>
 #include <vb2_sha.h>
diff --git a/src/security/tpm/tss/tcg-2.0/tss_marshaling.c b/src/security/tpm/tss/tcg-2.0/tss_marshaling.c
index 720e7c4..48798c7 100644
--- a/src/security/tpm/tss/tcg-2.0/tss_marshaling.c
+++ b/src/security/tpm/tss/tcg-2.0/tss_marshaling.c
@@ -7,7 +7,6 @@
 
 #include <commonlib/iobuf.h>
 #include <console/console.h>
-#include <stdlib.h>
 #include <string.h>
 
 #include "tss_marshaling.h"
diff --git a/src/security/vboot/secdata_mock.c b/src/security/vboot/secdata_mock.c
index a6c4afb..a4957f9 100644
--- a/src/security/vboot/secdata_mock.c
+++ b/src/security/vboot/secdata_mock.c
@@ -32,7 +32,6 @@
  * stored in the TPM NVRAM.
  */
 
-#include <stdlib.h>
 #include <security/tpm/tspi.h>
 #include <vb2_api.h>
 
diff --git a/src/security/vboot/secdata_tpm.c b/src/security/vboot/secdata_tpm.c
index 0ce2136..96fac29 100644
--- a/src/security/vboot/secdata_tpm.c
+++ b/src/security/vboot/secdata_tpm.c
@@ -34,7 +34,6 @@
 
 #include <security/vboot/antirollback.h>
 #include <security/vboot/tpm_common.h>
-#include <stdlib.h>
 #include <string.h>
 #include <security/tpm/tspi.h>
 #include <vb2_api.h>