diff --git a/src/mod_accesslog.c b/src/mod_accesslog.c
index 73ddf083..50fc42ec 100644
--- a/src/mod_accesslog.c
+++ b/src/mod_accesslog.c
@@ -441,6 +441,7 @@ static void mod_accesslog_free_accesslog(accesslog_st * const x, plugin_data *p)
         close(x->log_access_fd);
     }
     free(x->access_logbuffer.ptr);
+    free(x);
 }
 
 static void mod_accesslog_free_format_fields(format_fields * const ff) {
diff --git a/src/mod_mbedtls.c b/src/mod_mbedtls.c
index f9307b4d..e18e59be 100644
--- a/src/mod_mbedtls.c
+++ b/src/mod_mbedtls.c
@@ -450,6 +450,7 @@ mod_mbedtls_free_config (server *srv, plugin_data * const p)
                     plugin_cert *pc = cpv->v.v;
                     mbedtls_pk_free(&pc->ssl_pemfile_pkey);
                     mbedtls_x509_crt_free(&pc->ssl_pemfile_x509);
+                    free(pc);
                 }
                 break;
               case 2: /* ssl.ca-file */
diff --git a/src/mod_openssl.c b/src/mod_openssl.c
index b00f3e67..39d3cd34 100644
--- a/src/mod_openssl.c
+++ b/src/mod_openssl.c
@@ -597,6 +597,7 @@ mod_openssl_free_config (server *srv, plugin_data * const p)
                     X509_free(pc->ssl_pemfile_x509);
                     sk_X509_pop_free(pc->ssl_pemfile_chain, X509_free);
                     buffer_free(pc->ssl_stapling);
+                    free(pc);
                 }
                 break;
               case 2: /* ssl.ca-file */
diff --git a/src/mod_wolfssl.c b/src/mod_wolfssl.c
index c7089c64..4273fec7 100644
--- a/src/mod_wolfssl.c
+++ b/src/mod_wolfssl.c
@@ -552,6 +552,7 @@ mod_openssl_free_config (server *srv, plugin_data * const p)
                     /*buffer_free(pc->ssl_pemfile_x509);*//*(part of chain)*/
                     mod_wolfssl_free_der_certs(pc->ssl_pemfile_chain);
                     buffer_free(pc->ssl_stapling);
+                    free(pc);
                 }
                 break;
               case 2: /* ssl.ca-file */