diff --git a/src/de/schildbach/pte/BartProvider.java b/src/de/schildbach/pte/BartProvider.java
index cbd7cea6..3d0408d8 100644
--- a/src/de/schildbach/pte/BartProvider.java
+++ b/src/de/schildbach/pte/BartProvider.java
@@ -43,7 +43,6 @@ public class BartProvider extends AbstractHafasClientInterfaceProvider {
         setApiVersion("1.18");
         setApiClient(apiClient);
         setApiAuthorization(apiAuthorization);
-        httpClient.setTrustAllCertificates(true);
     }
 
     @Override
diff --git a/src/de/schildbach/pte/NvvProvider.java b/src/de/schildbach/pte/NvvProvider.java
index 09eaee93..c5b7299e 100644
--- a/src/de/schildbach/pte/NvvProvider.java
+++ b/src/de/schildbach/pte/NvvProvider.java
@@ -45,7 +45,6 @@ public class NvvProvider extends AbstractHafasClientInterfaceProvider {
         setApiExt("NVV.6.0");
         setApiClient(apiClient);
         setApiAuthorization(apiAuthorization);
-        httpClient.setTrustAllCertificates(true);
     }
 
     private static final String[] PLACES = { "Frankfurt (Main)", "Offenbach (Main)", "Mainz", "Wiesbaden", "Marburg",
diff --git a/src/de/schildbach/pte/SvvProvider.java b/src/de/schildbach/pte/SvvProvider.java
index 841c2f12..63cd3f38 100644
--- a/src/de/schildbach/pte/SvvProvider.java
+++ b/src/de/schildbach/pte/SvvProvider.java
@@ -51,7 +51,6 @@ public class SvvProvider extends AbstractHafasClientInterfaceProvider {
         setApiClient(apiClient);
         setApiAuthorization(apiAuthorization);
         setStyles(STYLES);
-        httpClient.setTrustAllCertificates(true);
     }
 
     @Override
diff --git a/src/de/schildbach/pte/TlemProvider.java b/src/de/schildbach/pte/TlemProvider.java
index 4b39459f..7d6a064f 100644
--- a/src/de/schildbach/pte/TlemProvider.java
+++ b/src/de/schildbach/pte/TlemProvider.java
@@ -48,7 +48,6 @@ public class TlemProvider extends AbstractEfaProvider {
         setTimeZone("Europe/London");
         setUseProxFootSearch(false);
         setStyles(STYLES);
-        httpClient.setTrustAllCertificates(true);
     }
 
     @Override
diff --git a/src/de/schildbach/pte/VbbProvider.java b/src/de/schildbach/pte/VbbProvider.java
index 2f201bca..24e5c34f 100644
--- a/src/de/schildbach/pte/VbbProvider.java
+++ b/src/de/schildbach/pte/VbbProvider.java
@@ -50,7 +50,6 @@ public class VbbProvider extends AbstractHafasClientInterfaceProvider {
         setApiClient(apiClient);
         setApiAuthorization(apiAuthorization);
         setRequestMicMacSalt(salt);
-        httpClient.setTrustAllCertificates(true);
     }
 
     private static final Pattern P_SPLIT_NAME_SU = Pattern.compile("(.*?)(?:\\s+\\((S|U|S\\+U)\\))?");